
Load Specifications
Load data in caliber 8.5 x 55 Blaser with .338 | 227gr | CutEdge MTAC bullet and 203 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Power Pro 2000-MR, ReloadSwiss RS 52 and Hodgdon CFE223.
Important Notice: DO NOT go below Minimum Charge or above Maximum Charge. Since we have no control over the equipment and components used, any responsibility and liability for the results achieved is rejected.
Only powders/loads that match the current filter criteria are displayed: max pressure of a load ≤ 90% of max. standardized pressure, fill rate ≥ 80% and propellant combustion ≥ 95%. Use the sliders above the tables to adjust these thresholds.
Charge: Powder weight in grains. Start with the minimum load and work up carefully.
FR (Fill Rate): Case fill as a percentage. Values above 100% mean compressed loads.
MaxP / %: Maximum chamber pressure in bar and as a percentage of the standardized maximum for this caliber.
V(0): Muzzle velocity in feet per second (fps) at the standardized barrel length.
z (Powder Burn): Estimated propellant combustion percentage at bullet exit.
A valid access license is required to use the Personalized Load Calculator.
You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 90% | 53,722 psi | 86% | 2438 fps | 100% |
| Accurate 2015 | <<locked>> | 90% | 54,128 psi | 87% | 2444 fps | 100% |
| Accurate 2200 | <<locked>> | 82% | 54,462 psi | 87% | 2530 fps | 99.2% |
| Accurate 2200 | <<locked>> | 82% | 54,578 psi | 88% | 2533 fps | 99.2% |
| Accurate 2230 | <<locked>> | 82% | 55,100 psi | 88% | 2539 fps | 99.4% |
| Accurate 2230 | <<locked>> | 82% | 55,492 psi | 89% | 2546 fps | 99.5% |
| Accurate 2460 | <<locked>> | 88% | 55,767 psi | 89% | 2507 fps | 100% |
| Accurate 2460 | <<locked>> | 88% | 56,144 psi | 90% | 2513 fps | 100% |
| Accurate 2495 | <<locked>> | 96% | 53,519 psi | 86% | 2490 fps | 100% |
| Accurate 2495 | <<locked>> | 96% | 53,925 psi | 86% | 2497 fps | 100% |
| Accurate 2520 | <<locked>> | 90% | 53,635 psi | 86% | 2516 fps | 100% |
| Accurate 2520 | <<locked>> | 90% | 54,027 psi | 87% | 2526 fps | 100% |
| Accurate 2700 | <<locked>> | 96% | 56,043 psi | 90% | 2493 fps | 95.8% |
| Accurate 4064 | <<locked>> | 98% | 53,301 psi | 85% | 2526 fps | 100% |
| Accurate 4064 | <<locked>> | 98% | 53,635 psi | 86% | 2533 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 42,366 psi | 68% | 2434 fps | 97% |
| Accurate 4350ᴾ | <<locked>> | 100% | 42,685 psi | 68% | 2444 fps | 97.1% |
| Accurate LT-30 | <<locked>> | 84% | 54,462 psi | 87% | 2395 fps | 100% |
| Accurate LT-30 | <<locked>> | 84% | 54,549 psi | 87% | 2398 fps | 100% |
| Accurate LT-32 | <<locked>> | 84% | 54,897 psi | 88% | 2418 fps | 100% |
| Accurate LT-32 | <<locked>> | 84% | 54,998 psi | 88% | 2421 fps | 100% |
| ADI AR 2206H | <<locked>> | 94% | 56,376 psi | 90% | 2569 fps | 99.7% |
| ADI AR 2206H | <<locked>> | 92% | 53,301 psi | 85% | 2530 fps | 99.6% |
| ADI AR 2207 | <<locked>> | 82% | 55,941 psi | 90% | 2408 fps | 100% |
| ADI AR 2207 | <<locked>> | 82% | 56,130 psi | 90% | 2411 fps | 100% |
| ADI AR 2208 | <<locked>> | 98% | 53,838 psi | 86% | 2516 fps | 99.2% |
| ADI AR 2208 | <<locked>> | 98% | 54,143 psi | 87% | 2523 fps | 99.2% |
| ADI AR 2219 | <<locked>> | 84% | 54,621 psi | 88% | 2503 fps | 100% |
| ADI AR 2219 | <<locked>> | 84% | 55,056 psi | 88% | 2510 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 92% | 55,840 psi | 90% | 2530 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 92% | 56,159 psi | 90% | 2536 fps | 100% |
| Alliant AR-Comp | <<locked>> | 92% | 55,114 psi | 88% | 2503 fps | 100% |
| Alliant AR-Comp | <<locked>> | 92% | 55,608 psi | 89% | 2513 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 86% | 53,766 psi | 86% | 2575 fps | 99.8% |
| Alliant Power Pro 1200-R | <<locked>> | 86% | 53,911 psi | 86% | 2582 fps | 99.9% |
| Alliant Power Pro 2000-MR | <<locked>> | 96% | 55,782 psi | 89% | 2667 fps | 99.4% |
| Alliant Power Pro 2000-MR | <<locked>> | 96% | 56,072 psi | 90% | 2677 fps | 99.5% |
| Alliant Reloder- TS 15.5ᴾ | <<locked>> | 100% | 56,144 psi | 90% | 2579 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 98% | 53,055 psi | 85% | 2539 fps | 99.9% |
| Alliant Reloder-10x | <<locked>> | 86% | 53,925 psi | 86% | 2448 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 86% | 54,331 psi | 87% | 2454 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 96% | 53,722 psi | 86% | 2556 fps | 99.3% |
| Alliant Reloder-15 | <<locked>> | 96% | 54,085 psi | 87% | 2562 fps | 99.4% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 43,424 psi | 70% | 2451 fps | 97.2% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 43,439 psi | 70% | 2451 fps | 97.2% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 49,806 psi | 80% | 2585 fps | 99.6% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 50,125 psi | 80% | 2595 fps | 99.6% |
| Baschieri & Pellagri 106 | <<locked>> | 84% | 53,272 psi | 85% | 2395 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 84% | 53,606 psi | 86% | 2402 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 94% | 56,101 psi | 90% | 2582 fps | 99.2% |
| Baschieri & Pellagri 107 | <<locked>> | 94% | 56,405 psi | 90% | 2589 fps | 99.3% |
| Bofors RP3 | <<locked>> | 98% | 52,895 psi | 85% | 2546 fps | 99.9% |
| Bofors RP3 | <<locked>> | 98% | 53,243 psi | 85% | 2556 fps | 99.9% |
| Hodgdon Benchmark | <<locked>> | 90% | 54,650 psi | 88% | 2470 fps | 100% |
| Hodgdon Benchmark | <<locked>> | 90% | 55,013 psi | 88% | 2477 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 92% | 54,346 psi | 87% | 2556 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 92% | 54,650 psi | 88% | 2562 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 88% | 52,692 psi | 84% | 2595 fps | 99.3% |
| Hodgdon CFE223 | <<locked>> | 88% | 52,750 psi | 85% | 2598 fps | 99.3% |
| Hodgdon H322 | <<locked>> | 86% | 53,026 psi | 85% | 2484 fps | 100% |
| Hodgdon H322 | <<locked>> | 86% | 53,432 psi | 86% | 2490 fps | 100% |
| Hodgdon H335 | <<locked>> | 86% | 54,041 psi | 87% | 2510 fps | 100% |
| Hodgdon H335 | <<locked>> | 86% | 54,433 psi | 87% | 2516 fps | 100% |
| Hodgdon H380 | <<locked>> | 98% | 54,824 psi | 88% | 2559 fps | 98.6% |
| Hodgdon H380 | <<locked>> | 98% | 55,143 psi | 88% | 2566 fps | 98.7% |
| Hodgdon H4198 | <<locked>> | 82% | 56,362 psi | 90% | 2434 fps | 100% |
| Hodgdon H4895 | <<locked>> | 92% | 53,359 psi | 86% | 2533 fps | 99.8% |
| Hodgdon H4895 | <<locked>> | 92% | 53,722 psi | 86% | 2539 fps | 99.8% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 39,378 psi | 63% | 2343 fps | 97.7% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 39,595 psi | 63% | 2349 fps | 97.8% |
| Hodgdon LEVERevolution | <<locked>> | 96% | 55,143 psi | 88% | 2605 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 96% | 55,477 psi | 89% | 2608 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,229 psi | 55% | 1483 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,258 psi | 55% | 1486 fps | 100% |
| Hodgdon VARGET | <<locked>> | 94% | 54,882 psi | 88% | 2536 fps | 99.8% |
| Hodgdon VARGET | <<locked>> | 94% | 55,245 psi | 89% | 2543 fps | 99.8% |
| IMR 3031 | <<locked>> | 94% | 55,709 psi | 89% | 2559 fps | 100% |
| IMR 3031 | <<locked>> | 94% | 56,144 psi | 90% | 2566 fps | 100% |
| IMR 4064 | <<locked>> | 96% | 53,214 psi | 85% | 2500 fps | 99.3% |
| IMR 4064 | <<locked>> | 96% | 53,577 psi | 86% | 2507 fps | 99.3% |
| IMR 4166 Enduron | <<locked>> | 94% | 54,418 psi | 87% | 2484 fps | 96.4% |
| IMR 4166 Enduron | <<locked>> | 94% | 54,752 psi | 88% | 2490 fps | 96.5% |
| IMR 4198 | <<locked>> | 86% | 54,708 psi | 88% | 2411 fps | 100% |
| IMR 4198 | <<locked>> | 86% | 54,882 psi | 88% | 2415 fps | 100% |
| IMR 4451 Enduronᴾ | <<locked>> | 100% | 53,040 psi | 85% | 2497 fps | 96% |
| IMR 4451 Enduronᴾ | <<locked>> | 100% | 53,330 psi | 86% | 2503 fps | 96.1% |
| IMR 4831ᴾ | <<locked>> | 100% | 40,756 psi | 65% | 2388 fps | 96.6% |
| IMR 4831ᴾ | <<locked>> | 100% | 41,031 psi | 66% | 2395 fps | 96.7% |
| IMR 4895 | <<locked>> | 96% | 55,100 psi | 88% | 2585 fps | 99.7% |
| IMR 4895 | <<locked>> | 96% | 55,390 psi | 89% | 2589 fps | 99.8% |
| IMR 8208 XBR | <<locked>> | 92% | 55,840 psi | 90% | 2530 fps | 100% |
| IMR 8208 XBR | <<locked>> | 92% | 56,159 psi | 90% | 2536 fps | 100% |
| Lovex D073.4 | <<locked>> | 82% | 55,709 psi | 89% | 2516 fps | 100% |
| Lovex D073.4 | <<locked>> | 82% | 56,144 psi | 90% | 2523 fps | 100% |
| Lovex D073.5 | <<locked>> | 88% | 55,738 psi | 89% | 2516 fps | 100% |
| Lovex D073.5 | <<locked>> | 88% | 56,130 psi | 90% | 2523 fps | 100% |
| Lovex D073.6 | <<locked>> | 94% | 55,201 psi | 89% | 2546 fps | 100% |
| Lovex D073.6 | <<locked>> | 94% | 55,579 psi | 89% | 2556 fps | 100% |
| Lovex S060 | <<locked>> | 92% | 53,461 psi | 86% | 2461 fps | 99.5% |
| Lovex S060 | <<locked>> | 92% | 53,809 psi | 86% | 2467 fps | 99.6% |
| Lovex S062 | <<locked>> | 98% | 55,738 psi | 89% | 2539 fps | 100% |
| Lovex S062 | <<locked>> | 98% | 56,072 psi | 90% | 2549 fps | 100% |
| Lovex S065ᴾ | <<locked>> | 100% | 48,312 psi | 77% | 2441 fps | 96.7% |
| Lovex S065ᴾ | <<locked>> | 100% | 48,588 psi | 78% | 2448 fps | 96.8% |
| Norma 200 | <<locked>> | 82% | 53,592 psi | 86% | 2421 fps | 100% |
| Norma 200 | <<locked>> | 82% | 54,099 psi | 87% | 2428 fps | 100% |
| Norma 201 | <<locked>> | 94% | 54,897 psi | 88% | 2516 fps | 100% |
| Norma 201 | <<locked>> | 94% | 54,955 psi | 88% | 2523 fps | 100% |
| Norma 202 | <<locked>> | 94% | 55,114 psi | 88% | 2520 fps | 100% |
| Norma 202 | <<locked>> | 94% | 55,506 psi | 89% | 2530 fps | 100% |
| Norma 203B | <<locked>> | 98% | 56,260 psi | 90% | 2589 fps | 99.8% |
| Norma 203B | <<locked>> | 96% | 53,171 psi | 85% | 2549 fps | 99.6% |
| Norma URPᴾ | <<locked>> | 100% | 43,047 psi | 69% | 2434 fps | 96.9% |
| Norma URPᴾ | <<locked>> | 100% | 43,337 psi | 69% | 2444 fps | 97% |
| Ramshot Big Game | <<locked>> | 96% | 53,069 psi | 85% | 2566 fps | 99.4% |
| Ramshot Big Game | <<locked>> | 96% | 53,374 psi | 86% | 2572 fps | 99.5% |
| Ramshot TAC | <<locked>> | 92% | 56,362 psi | 90% | 2543 fps | 98.2% |
| Ramshot TAC | <<locked>> | 90% | 53,330 psi | 86% | 2503 fps | 97.8% |
| Ramshot Wild Boar | <<locked>> | 92% | 55,535 psi | 89% | 2562 fps | 99.7% |
| Ramshot Wild Boar | <<locked>> | 92% | 55,550 psi | 89% | 2566 fps | 99.7% |
| Ramshot X-Terminator | <<locked>> | 88% | 53,911 psi | 86% | 2490 fps | 99.5% |
| Ramshot X-Terminator | <<locked>> | 88% | 53,954 psi | 87% | 2493 fps | 99.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,548 psi | 55% | 1522 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,592 psi | 55% | 1522 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 88% | 55,564 psi | 89% | 2516 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 88% | 55,941 psi | 90% | 2523 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 98% | 55,724 psi | 89% | 2543 fps | 97.3% |
| ReloadSwiss RS 50 | <<locked>> | 98% | 56,014 psi | 90% | 2549 fps | 97.4% |
| ReloadSwiss RS 52 | <<locked>> | 94% | 53,534 psi | 86% | 2615 fps | 99.3% |
| ReloadSwiss RS 52 | <<locked>> | 94% | 53,925 psi | 86% | 2621 fps | 99.4% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 53,374 psi | 86% | 2644 fps | 100% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 53,635 psi | 86% | 2651 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 42,453 psi | 68% | 2454 fps | 96.5% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 42,714 psi | 68% | 2461 fps | 96.6% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 44,396 psi | 71% | 2480 fps | 96% |
| Rottweil R 901 | <<locked>> | 92% | 55,840 psi | 90% | 2503 fps | 100% |
| Rottweil R 901 | <<locked>> | 92% | 55,927 psi | 90% | 2507 fps | 100% |
| Rottweil R 902 | <<locked>> | 96% | 55,085 psi | 88% | 2513 fps | 100% |
| Rottweil R 902 | <<locked>> | 96% | 55,477 psi | 89% | 2520 fps | 100% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 52,431 psi | 84% | 2533 fps | 99.8% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 52,779 psi | 85% | 2539 fps | 99.8% |
| Shooters World AR Plus | <<locked>> | 82% | 55,709 psi | 89% | 2516 fps | 100% |
| Shooters World AR Plus | <<locked>> | 82% | 56,144 psi | 90% | 2523 fps | 100% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 48,312 psi | 77% | 2441 fps | 96.7% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 48,588 psi | 78% | 2448 fps | 96.8% |
| Shooters World Match Rifle | <<locked>> | 94% | 55,201 psi | 89% | 2546 fps | 100% |
| Shooters World Match Rifle | <<locked>> | 94% | 55,579 psi | 89% | 2556 fps | 100% |
| Shooters World Precision | <<locked>> | 98% | 55,738 psi | 89% | 2539 fps | 100% |
| Shooters World Precision | <<locked>> | 98% | 56,072 psi | 90% | 2549 fps | 100% |
| Shooters World Tactical Rifle | <<locked>> | 86% | 55,898 psi | 90% | 2493 fps | 99.9% |
| Shooters World Tactical Rifle | <<locked>> | 86% | 55,927 psi | 90% | 2497 fps | 99.9% |
| SNPE Vectan BA6 1/2 | <<locked>> | 82% | 55,085 psi | 88% | 2172 fps | 100% |
| SNPE Vectan BA6 1/2 | <<locked>> | 82% | 55,259 psi | 89% | 2175 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 84% | 55,013 psi | 88% | 2516 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 84% | 55,100 psi | 88% | 2520 fps | 100% |
| SNPE Vectan SP 11ᴾ | <<locked>> | 100% | 54,723 psi | 88% | 2595 fps | 99.6% |
| SNPE Vectan SP 11ᴾ | <<locked>> | 100% | 55,056 psi | 88% | 2602 fps | 99.7% |
| SNPE Vectan SP 3 | <<locked>> | 86% | 55,056 psi | 88% | 2464 fps | 100% |
| SNPE Vectan SP 3 | <<locked>> | 86% | 55,535 psi | 89% | 2474 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 92% | 54,288 psi | 87% | 2520 fps | 98.4% |
| SNPE Vectan SP 7 | <<locked>> | 92% | 54,621 psi | 88% | 2530 fps | 98.5% |
| SNPE Vectan SP 9 | <<locked>> | 94% | 54,766 psi | 88% | 2543 fps | 99.6% |
| SNPE Vectan SP 9 | <<locked>> | 94% | 55,100 psi | 88% | 2549 fps | 99.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 92% | 53,983 psi | 87% | 2428 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 92% | 54,346 psi | 87% | 2434 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 98% | 53,548 psi | 86% | 2425 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 98% | 53,606 psi | 86% | 2428 fps | 100% |
| Somchem S321 | <<locked>> | 88% | 53,505 psi | 86% | 2520 fps | 100% |
| Somchem S321 | <<locked>> | 88% | 53,853 psi | 86% | 2526 fps | 100% |
| Somchem S335 | <<locked>> | 94% | 56,246 psi | 90% | 2467 fps | 100% |
| Somchem S335 | <<locked>> | 94% | 56,289 psi | 90% | 2470 fps | 100% |
| Somchem S341 | <<locked>> | 92% | 53,606 psi | 86% | 2513 fps | 99.5% |
| Somchem S341 | <<locked>> | 92% | 53,925 psi | 86% | 2520 fps | 99.5% |
| Somchem S355ᴾ | <<locked>> | 100% | 53,287 psi | 85% | 2533 fps | 99.7% |
| Somchem S355ᴾ | <<locked>> | 100% | 53,635 psi | 86% | 2543 fps | 99.8% |
| Somchem S365ᴾ | <<locked>> | 100% | 38,159 psi | 61% | 2388 fps | 98.8% |
| Somchem S365ᴾ | <<locked>> | 100% | 38,406 psi | 62% | 2395 fps | 98.9% |
| Vihtavuori N120 | <<locked>> | 82% | 55,840 psi | 90% | 2362 fps | 100% |
| Vihtavuori N120 | <<locked>> | 82% | 55,970 psi | 90% | 2365 fps | 100% |
| Vihtavuori N130 | <<locked>> | 88% | 54,114 psi | 87% | 2405 fps | 100% |
| Vihtavuori N130 | <<locked>> | 88% | 54,215 psi | 87% | 2408 fps | 100% |
| Vihtavuori N133 | <<locked>> | 92% | 53,853 psi | 86% | 2415 fps | 100% |
| Vihtavuori N133 | <<locked>> | 92% | 54,230 psi | 87% | 2421 fps | 100% |
| Vihtavuori N135 | <<locked>> | 96% | 54,012 psi | 87% | 2484 fps | 100% |
| Vihtavuori N135 | <<locked>> | 96% | 54,462 psi | 87% | 2490 fps | 100% |
| Vihtavuori N140 | <<locked>> | 96% | 55,796 psi | 89% | 2503 fps | 100% |
| Vihtavuori N140 | <<locked>> | 96% | 56,101 psi | 90% | 2507 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 51,532 psi | 83% | 2477 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 51,851 psi | 83% | 2484 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 45,513 psi | 73% | 2438 fps | 97.3% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 45,788 psi | 73% | 2444 fps | 97.4% |
| Vihtavuori N530 | <<locked>> | 92% | 56,318 psi | 90% | 2530 fps | 100% |
| Vihtavuori N530 | <<locked>> | 90% | 53,185 psi | 85% | 2490 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 96% | 53,766 psi | 86% | 2500 fps | 100% |
| Vihtavuori N540 | <<locked>> | 96% | 54,085 psi | 87% | 2507 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 44,382 psi | 71% | 2441 fps | 97% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 44,643 psi | 72% | 2448 fps | 97.1% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 46,891 psi | 75% | 2431 fps | 99.2% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 47,079 psi | 75% | 2438 fps | 99.2% |
| Winchester 748 | <<locked>> | 92% | 55,593 psi | 89% | 2572 fps | 100% |
| Winchester 748 | <<locked>> | 92% | 55,637 psi | 89% | 2575 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 94% | 54,259 psi | 87% | 2552 fps | 99.8% |
| Winchester StaBALL Match | <<locked>> | 94% | 54,578 psi | 88% | 2556 fps | 99.8% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 39,363 psi | 63% | 2238 fps | 100% |
| Accurate 2015 | <<locked>> | 80% | 39,508 psi | 63% | 2244 fps | 100% |
| Accurate 2200 | <<locked>> | 80% | 51,024 psi | 82% | 2477 fps | 98.8% |
| Accurate 2200 | <<locked>> | 80% | 51,140 psi | 82% | 2484 fps | 98.8% |
| Accurate 2230 | <<locked>> | 80% | 51,242 psi | 82% | 2487 fps | 99.1% |
| Accurate 2230 | <<locked>> | 80% | 51,634 psi | 83% | 2493 fps | 99.1% |
| Accurate 2460 | <<locked>> | 80% | 42,554 psi | 68% | 2326 fps | 99.9% |
| Accurate 2460 | <<locked>> | 80% | 42,670 psi | 68% | 2329 fps | 99.9% |
| Accurate 2495 | <<locked>> | 80% | 31,285 psi | 50% | 2149 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 31,589 psi | 51% | 2156 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 37,869 psi | 61% | 2283 fps | 99.4% |
| Accurate 2520 | <<locked>> | 80% | 37,971 psi | 61% | 2287 fps | 99.4% |
| Accurate 2700 | <<locked>> | 94% | 52,359 psi | 84% | 2444 fps | 95% |
| Accurate 4064 | <<locked>> | 80% | 29,631 psi | 48% | 2133 fps | 98.6% |
| Accurate 4064 | <<locked>> | 80% | 29,965 psi | 48% | 2139 fps | 98.7% |
| Accurate 4350 | <<locked>> | 96% | 36,724 psi | 59% | 2333 fps | 95.3% |
| Accurate 4350 | <<locked>> | 96% | 37,043 psi | 59% | 2343 fps | 95.5% |
| Accurate LT-30 | <<locked>> | 80% | 48,269 psi | 77% | 2316 fps | 100% |
| Accurate LT-30 | <<locked>> | 80% | 48,356 psi | 78% | 2320 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 48,660 psi | 78% | 2333 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 48,747 psi | 78% | 2339 fps | 100% |
| ADI AR 2206H | <<locked>> | 80% | 36,143 psi | 58% | 2241 fps | 96.5% |
| ADI AR 2206H | <<locked>> | 80% | 36,230 psi | 58% | 2244 fps | 96.6% |
| ADI AR 2207 | <<locked>> | 80% | 52,417 psi | 84% | 2369 fps | 100% |
| ADI AR 2207 | <<locked>> | 80% | 52,547 psi | 84% | 2372 fps | 100% |
| ADI AR 2208 | <<locked>> | 84% | 34,867 psi | 56% | 2198 fps | 95.2% |
| ADI AR 2208 | <<locked>> | 84% | 35,186 psi | 56% | 2208 fps | 95.3% |
| ADI AR 2219 | <<locked>> | 80% | 47,601 psi | 76% | 2411 fps | 100% |
| ADI AR 2219 | <<locked>> | 80% | 47,993 psi | 77% | 2421 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 38,189 psi | 61% | 2257 fps | 98.2% |
| ADI Benchmark 8208 | <<locked>> | 80% | 38,305 psi | 61% | 2260 fps | 98.3% |
| Alliant AR-Comp | <<locked>> | 80% | 36,956 psi | 59% | 2260 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 37,101 psi | 59% | 2267 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 44,077 psi | 71% | 2428 fps | 98.9% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 44,222 psi | 71% | 2434 fps | 99% |
| Alliant Power Pro 2000-MR | 49.5 gr | 84% | 37,173 psi | 60% | 2346 fps | 95.4% |
| Alliant Power Pro 2000-MR | 49.5 gr | 84% | 37,478 psi | 60% | 2356 fps | 95.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 29,559 psi | 47% | 2123 fps | 95.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 29,689 psi | 48% | 2126 fps | 95.3% |
| Alliant Reloder-10x | <<locked>> | 80% | 44,831 psi | 72% | 2326 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 80% | 44,947 psi | 72% | 2329 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 82% | 34,258 psi | 55% | 2224 fps | 95.3% |
| Alliant Reloder-15 | <<locked>> | 82% | 34,374 psi | 55% | 2228 fps | 95.3% |
| Alliant Reloder-16 | <<locked>> | 96% | 38,276 psi | 61% | 2349 fps | 95.6% |
| Alliant Reloder-16 | <<locked>> | 96% | 38,551 psi | 62% | 2356 fps | 95.7% |
| Alliant Reloder-17 | <<locked>> | 88% | 33,460 psi | 54% | 2274 fps | 95.7% |
| Alliant Reloder-17 | <<locked>> | 88% | 33,504 psi | 54% | 2280 fps | 95.8% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 46,775 psi | 75% | 2313 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 47,065 psi | 75% | 2320 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 37,405 psi | 60% | 2283 fps | 95.6% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 37,666 psi | 60% | 2293 fps | 95.7% |
| Bofors RP3 | <<locked>> | 80% | 28,631 psi | 46% | 2116 fps | 95% |
| Bofors RP3 | <<locked>> | 80% | 28,732 psi | 46% | 2119 fps | 95.1% |
| Hodgdon Benchmark | <<locked>> | 80% | 40,292 psi | 65% | 2254 fps | 99% |
| Hodgdon Benchmark | <<locked>> | 80% | 40,640 psi | 65% | 2264 fps | 99.1% |
| Hodgdon BL-C2 | <<locked>> | 80% | 35,984 psi | 58% | 2267 fps | 98.3% |
| Hodgdon BL-C2 | <<locked>> | 80% | 36,100 psi | 58% | 2270 fps | 98.4% |
| Hodgdon CFE223 | 48.2 gr | 80% | 39,769 psi | 64% | 2382 fps | 97% |
| Hodgdon CFE223 | 48.2 gr | 80% | 39,813 psi | 64% | 2385 fps | 97% |
| Hodgdon H322 | <<locked>> | 80% | 43,468 psi | 70% | 2349 fps | 100% |
| Hodgdon H322 | <<locked>> | 80% | 43,874 psi | 70% | 2359 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 44,135 psi | 71% | 2372 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 44,512 psi | 71% | 2379 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 39,044 psi | 63% | 2310 fps | 95.3% |
| Hodgdon H380 | <<locked>> | 88% | 39,363 psi | 63% | 2320 fps | 95.5% |
| Hodgdon H4198 | <<locked>> | 80% | 53,156 psi | 85% | 2395 fps | 100% |
| Hodgdon H4895 | <<locked>> | 80% | 36,347 psi | 58% | 2251 fps | 97.2% |
| Hodgdon H4895 | <<locked>> | 80% | 36,492 psi | 59% | 2257 fps | 97.3% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 32,619 psi | 52% | 2205 fps | 95.5% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 32,837 psi | 53% | 2211 fps | 95.7% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 32,445 psi | 52% | 2215 fps | 96.3% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 32,561 psi | 52% | 2221 fps | 96.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,338 psi | 41% | 1322 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,411 psi | 41% | 1325 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 35,027 psi | 56% | 2208 fps | 96.7% |
| Hodgdon VARGET | <<locked>> | 80% | 35,346 psi | 57% | 2218 fps | 96.8% |
| IMR 3031 | <<locked>> | 80% | 35,099 psi | 56% | 2257 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 35,244 psi | 57% | 2260 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 34,432 psi | 55% | 2185 fps | 95.3% |
| IMR 4064 | <<locked>> | 82% | 34,534 psi | 55% | 2188 fps | 95.4% |
| IMR 4166 Enduron | <<locked>> | 90% | 48,066 psi | 77% | 2392 fps | 95% |
| IMR 4166 Enduron | <<locked>> | 90% | 48,051 psi | 77% | 2392 fps | 95% |
| IMR 4198 | <<locked>> | 80% | 45,730 psi | 73% | 2297 fps | 100% |
| IMR 4198 | <<locked>> | 80% | 46,180 psi | 74% | 2303 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 98% | 49,850 psi | 80% | 2451 fps | 95.3% |
| IMR 4451 Enduron | <<locked>> | 98% | 50,140 psi | 80% | 2457 fps | 95.4% |
| IMR 4831 | <<locked>> | 96% | 35,723 psi | 57% | 2293 fps | 95% |
| IMR 4831 | <<locked>> | 96% | 35,998 psi | 58% | 2300 fps | 95.1% |
| IMR 4895 | <<locked>> | 80% | 32,793 psi | 53% | 2201 fps | 95.5% |
| IMR 4895 | <<locked>> | 80% | 32,938 psi | 53% | 2208 fps | 95.6% |
| IMR 8208 XBR | <<locked>> | 80% | 38,189 psi | 61% | 2257 fps | 98.2% |
| IMR 8208 XBR | <<locked>> | 80% | 38,305 psi | 61% | 2260 fps | 98.3% |
| Lovex D073.4 | <<locked>> | 80% | 51,837 psi | 83% | 2467 fps | 100% |
| Lovex D073.4 | <<locked>> | 80% | 52,286 psi | 84% | 2474 fps | 100% |
| Lovex D073.5 | <<locked>> | 80% | 42,293 psi | 68% | 2329 fps | 99.5% |
| Lovex D073.5 | <<locked>> | 80% | 42,670 psi | 68% | 2336 fps | 99.6% |
| Lovex D073.6 | <<locked>> | 80% | 34,011 psi | 55% | 2218 fps | 98.7% |
| Lovex D073.6 | <<locked>> | 80% | 34,330 psi | 55% | 2228 fps | 98.8% |
| Lovex S060 | <<locked>> | 80% | 37,159 psi | 60% | 2195 fps | 96.8% |
| Lovex S060 | <<locked>> | 80% | 37,275 psi | 60% | 2201 fps | 96.8% |
| Lovex S062 | <<locked>> | 80% | 31,734 psi | 51% | 2142 fps | 96.6% |
| Lovex S062 | <<locked>> | 80% | 31,850 psi | 51% | 2146 fps | 96.6% |
| Lovex S065 | <<locked>> | 96% | 42,569 psi | 68% | 2346 fps | 95.3% |
| Lovex S065 | <<locked>> | 96% | 42,873 psi | 69% | 2356 fps | 95.4% |
| Norma 200 | <<locked>> | 80% | 50,285 psi | 81% | 2379 fps | 100% |
| Norma 200 | <<locked>> | 80% | 50,720 psi | 81% | 2385 fps | 100% |
| Norma 201 | <<locked>> | 80% | 35,186 psi | 56% | 2201 fps | 97.6% |
| Norma 201 | <<locked>> | 80% | 35,520 psi | 57% | 2208 fps | 97.7% |
| Norma 202 | <<locked>> | 80% | 35,418 psi | 57% | 2221 fps | 99.4% |
| Norma 202 | <<locked>> | 80% | 35,520 psi | 57% | 2224 fps | 99.4% |
| Norma 203B | <<locked>> | 82% | 33,605 psi | 54% | 2215 fps | 95.7% |
| Norma 203B | <<locked>> | 82% | 33,721 psi | 54% | 2218 fps | 95.8% |
| Norma URP | <<locked>> | 96% | 37,811 psi | 61% | 2339 fps | 95.4% |
| Norma URP | <<locked>> | 96% | 38,072 psi | 61% | 2346 fps | 95.5% |
| Ramshot Big Game | <<locked>> | 82% | 33,098 psi | 53% | 2218 fps | 95.1% |
| Ramshot Big Game | <<locked>> | 82% | 33,359 psi | 53% | 2228 fps | 95.2% |
| Ramshot TAC | <<locked>> | 84% | 43,395 psi | 70% | 2349 fps | 95.7% |
| Ramshot TAC | <<locked>> | 82% | 40,872 psi | 66% | 2306 fps | 95% |
| Ramshot Wild Boar | <<locked>> | 80% | 36,941 psi | 59% | 2267 fps | 96.7% |
| Ramshot Wild Boar | <<locked>> | 80% | 37,260 psi | 60% | 2277 fps | 96.8% |
| Ramshot X-Terminator | <<locked>> | 80% | 41,481 psi | 67% | 2300 fps | 97.7% |
| Ramshot X-Terminator | <<locked>> | 80% | 41,582 psi | 67% | 2303 fps | 97.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,498 psi | 41% | 1355 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,570 psi | 41% | 1358 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 43,062 psi | 69% | 2339 fps | 99.7% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 43,149 psi | 69% | 2343 fps | 99.8% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 45,585 psi | 73% | 2395 fps | 95.2% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 45,876 psi | 74% | 2402 fps | 95.3% |
| ReloadSwiss RS 52 | 46.8 gr | 82% | 35,404 psi | 57% | 2306 fps | 95.6% |
| ReloadSwiss RS 52 | 46.8 gr | 82% | 35,491 psi | 57% | 2310 fps | 95.7% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 27,354 psi | 44% | 2123 fps | 95.4% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 27,557 psi | 44% | 2133 fps | 95.6% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 39,769 psi | 64% | 2405 fps | 95.7% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 40,030 psi | 64% | 2411 fps | 95.9% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 41,437 psi | 66% | 2425 fps | 95% |
| Rottweil R 901 | <<locked>> | 80% | 38,812 psi | 62% | 2251 fps | 99.6% |
| Rottweil R 901 | <<locked>> | 80% | 38,957 psi | 62% | 2254 fps | 99.7% |
| Rottweil R 902 | <<locked>> | 80% | 33,504 psi | 54% | 2159 fps | 97.1% |
| Rottweil R 902 | <<locked>> | 80% | 33,605 psi | 54% | 2162 fps | 97.1% |
| Rottweil R 903 | <<locked>> | 84% | 30,763 psi | 49% | 2159 fps | 95.5% |
| Rottweil R 903 | <<locked>> | 84% | 30,879 psi | 50% | 2165 fps | 95.6% |
| Shooters World AR Plus | <<locked>> | 80% | 51,837 psi | 83% | 2467 fps | 100% |
| Shooters World AR Plus | <<locked>> | 80% | 52,286 psi | 84% | 2474 fps | 100% |
| Shooters World Long Rifle | <<locked>> | 96% | 42,569 psi | 68% | 2346 fps | 95.3% |
| Shooters World Long Rifle | <<locked>> | 96% | 42,873 psi | 69% | 2356 fps | 95.4% |
| Shooters World Match Rifle | <<locked>> | 80% | 34,011 psi | 55% | 2218 fps | 98.7% |
| Shooters World Match Rifle | <<locked>> | 80% | 34,330 psi | 55% | 2228 fps | 98.8% |
| Shooters World Precision | <<locked>> | 80% | 31,734 psi | 51% | 2142 fps | 96.6% |
| Shooters World Precision | <<locked>> | 80% | 31,850 psi | 51% | 2146 fps | 96.6% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 45,498 psi | 73% | 2349 fps | 99.2% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 45,614 psi | 73% | 2352 fps | 99.2% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 52,286 psi | 84% | 2139 fps | 100% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 52,460 psi | 84% | 2146 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 48,008 psi | 77% | 2421 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 48,385 psi | 78% | 2428 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 34,505 psi | 55% | 2254 fps | 95.7% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 32,692 psi | 52% | 2215 fps | 95% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 45,672 psi | 73% | 2343 fps | 100% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 45,847 psi | 74% | 2346 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 41,191 psi | 66% | 2320 fps | 95.8% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 38,421 psi | 62% | 2274 fps | 95% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 34,650 psi | 56% | 2211 fps | 95.9% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 34,969 psi | 56% | 2221 fps | 96.1% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 37,188 psi | 60% | 2178 fps | 99.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 37,318 psi | 60% | 2182 fps | 99.6% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 30,327 psi | 49% | 2060 fps | 99.1% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 30,443 psi | 49% | 2064 fps | 99.1% |
| Somchem S321 | <<locked>> | 80% | 40,611 psi | 65% | 2323 fps | 98.9% |
| Somchem S321 | <<locked>> | 80% | 40,930 psi | 66% | 2329 fps | 99% |
| Somchem S335 | <<locked>> | 80% | 36,448 psi | 58% | 2182 fps | 99.8% |
| Somchem S335 | <<locked>> | 80% | 36,782 psi | 59% | 2188 fps | 99.8% |
| Somchem S341 | <<locked>> | 80% | 35,462 psi | 57% | 2221 fps | 96.1% |
| Somchem S341 | <<locked>> | 80% | 35,781 psi | 57% | 2231 fps | 96.3% |
| Somchem S355 | <<locked>> | 84% | 32,097 psi | 51% | 2172 fps | 95.7% |
| Somchem S355 | <<locked>> | 82% | 30,342 psi | 49% | 2133 fps | 95% |
| Somchem S365 | <<locked>> | 92% | 29,515 psi | 47% | 2192 fps | 95.8% |
| Somchem S365 | <<locked>> | 90% | 27,905 psi | 45% | 2149 fps | 95% |
| Vihtavuori N120 | <<locked>> | 80% | 52,330 psi | 84% | 2323 fps | 100% |
| Vihtavuori N120 | <<locked>> | 80% | 52,518 psi | 84% | 2326 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 42,351 psi | 68% | 2247 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 42,453 psi | 68% | 2251 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 37,304 psi | 60% | 2182 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 37,449 psi | 60% | 2185 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 32,358 psi | 52% | 2159 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 32,518 psi | 52% | 2162 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 33,359 psi | 53% | 2162 fps | 99.3% |
| Vihtavuori N140 | <<locked>> | 80% | 33,678 psi | 54% | 2169 fps | 99.3% |
| Vihtavuori N150 | <<locked>> | 80% | 26,629 psi | 43% | 2028 fps | 95% |
| Vihtavuori N150 | <<locked>> | 80% | 26,905 psi | 43% | 2037 fps | 95.2% |
| Vihtavuori N160 | <<locked>> | 94% | 37,478 psi | 60% | 2297 fps | 95.1% |
| Vihtavuori N160 | <<locked>> | 94% | 37,710 psi | 60% | 2303 fps | 95.2% |
| Vihtavuori N530 | <<locked>> | 80% | 38,029 psi | 61% | 2251 fps | 98.3% |
| Vihtavuori N530 | <<locked>> | 80% | 38,145 psi | 61% | 2257 fps | 98.3% |
| Vihtavuori N540 | <<locked>> | 80% | 31,894 psi | 51% | 2149 fps | 98.6% |
| Vihtavuori N540 | <<locked>> | 80% | 32,213 psi | 52% | 2156 fps | 98.7% |
| Vihtavuori N550 | <<locked>> | 96% | 38,769 psi | 62% | 2343 fps | 95.4% |
| Vihtavuori N550 | <<locked>> | 96% | 39,044 psi | 63% | 2349 fps | 95.6% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 33,678 psi | 54% | 2192 fps | 95.9% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 31,705 psi | 51% | 2149 fps | 95.1% |
| Winchester 748 | <<locked>> | 80% | 36,651 psi | 59% | 2283 fps | 98.7% |
| Winchester 748 | <<locked>> | 80% | 36,999 psi | 59% | 2290 fps | 98.8% |
| Winchester StaBALL Match | <<locked>> | 80% | 33,750 psi | 54% | 2215 fps | 96.4% |
| Winchester StaBALL Match | <<locked>> | 80% | 33,837 psi | 54% | 2218 fps | 96.5% |
Recommended = one of the top powders for this cartridge and bullet combination.
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 203 powders for 8.5 x 55 Blaser loaded with the .338 | 227gr | CutEdge MTAC. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,677 fps; across all powders the maximum-charge window runs from 1,483 fps to 2,677 fps. Accurate 4350 gives the best case fill at 100 %, and 203 of the 203 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (430 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 227.0 gr projectile in 0.338" calls for a 1:11.5 twist; slower twists will usually not stabilise this weight. Accurate 4350, Accurate 4350, Alliant Reloder- TS 15.5 reach 100 % fill or more at maximum charge, so these are compressed loads: they need a long drop tube to seat cleanly and react sensitively to the case capacity of your own brass lot. Alliant Power Pro 2000-MR, ReloadSwiss RS 52, Hodgdon CFE223 rank at the top here: for 8.5 x 55 Blaser with the .338 | 227gr | CutEdge MTAC they combine a high case fill with complete burn and sit in the upper velocity band. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.