Load Specifications
Bullet:.338 | 225gr | CutEdge LZR
Bullet Manufacturer:Cutting Edge
Bullet Weight:225 gr
Bullet Diameter:0.338"
Bullet Length:<<locked>>
Caliber:.338 Win Mag. load data
Case Length (l3):2.5"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:86 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:24"
Max. allowed Pressure:62,366 psi
Recommended Twist Rate:1:10.5
Load data in caliber .338 Win Mag. with .338 | 225gr | CutEdge LZR bullet and 106 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, Alliant Power Pro 2000-MR and ReloadSwiss RS 52.
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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 88% | 56,086 psi | 90% | 2530 fps | 100% |
| Accurate 2460 | <<locked>> | 84% | 54,462 psi | 87% | 2559 fps | 100% |
| Accurate 2495 | <<locked>> | 92% | 53,447 psi | 86% | 2549 fps | 100% |
| Accurate 2520 | <<locked>> | 88% | 54,694 psi | 88% | 2608 fps | 100% |
| Accurate 2700 | <<locked>> | 96% | 55,434 psi | 89% | 2559 fps | 96.7% |
| Accurate 4064 | <<locked>> | 94% | 53,577 psi | 86% | 2592 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 49,211 psi | 79% | 2608 fps | 99% |
| Accurate LT-30 | <<locked>> | 82% | 55,637 psi | 89% | 2480 fps | 100% |
| Accurate LT-32 | <<locked>> | 82% | 56,115 psi | 90% | 2507 fps | 100% |
| ADI AR 2206H | <<locked>> | 90% | 55,172 psi | 88% | 2627 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 96% | 56,275 psi | 90% | 2625 fps | 99.8% |
| ADI Benchmark 8208 | <<locked>> | 88% | 54,549 psi | 87% | 2585 fps | 100% |
| Alliant AR-Comp | <<locked>> | 88% | 54,708 psi | 88% | 2560 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 84% | 56,260 psi | 90% | 2680 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 92% | 54,824 psi | 88% | 2738 fps | 99.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 55,767 psi | 89% | 2644 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 84% | 56,101 psi | 90% | 2536 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 92% | 53,142 psi | 85% | 2619 fps | 99.7% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 49,835 psi | 80% | 2618 fps | 99.1% |
| Alliant Reloder-17 | <<locked>> | 98% | 53,388 psi | 86% | 2709 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 34,751 psi | 56% | 2367 fps | 97% |
| Baschieri & Pellagri 106 | <<locked>> | 82% | 54,955 psi | 88% | 2483 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 90% | 55,172 psi | 88% | 2646 fps | 99.6% |
| Bofors RP3 | <<locked>> | 96% | 56,159 psi | 90% | 2658 fps | 100% |
| Bofors RP7 | <<locked>> | 98% | 54,244 psi | 87% | 2580 fps | 96.7% |
| Hodgdon Benchmark | <<locked>> | 86% | 53,388 psi | 86% | 2527 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 88% | 53,519 psi | 86% | 2615 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 86% | 55,608 psi | 89% | 2707 fps | 99.9% |
| Hodgdon H322 | <<locked>> | 86% | 54,549 psi | 87% | 2569 fps | 100% |
| Hodgdon H335 | <<locked>> | 82% | 55,854 psi | 90% | 2600 fps | 100% |
| Hodgdon H380 | <<locked>> | 94% | 54,027 psi | 87% | 2624 fps | 99.1% |
| Hodgdon H414 | <<locked>> | 98% | 54,752 psi | 88% | 2690 fps | 97.7% |
| Hodgdon H4350ᴾ | <<locked>> | 100% | 52,199 psi | 84% | 2598 fps | 95.7% |
| Hodgdon H4895 | <<locked>> | 90% | 55,738 psi | 89% | 2636 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 45,281 psi | 73% | 2507 fps | 99.4% |
| Hodgdon LEVERevolution | <<locked>> | 94% | 54,795 psi | 88% | 2667 fps | 100% |
| Hodgdon Superformanceᴾ | <<locked>> | 100% | 55,114 psi | 88% | 2700 fps | 97% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,839 psi | 57% | 1554 fps | 100% |
| Hodgdon VARGET | <<locked>> | 94% | 55,898 psi | 90% | 2621 fps | 100% |
| IMR 3031 | <<locked>> | 92% | 53,751 psi | 86% | 2599 fps | 100% |
| IMR 4064 | <<locked>> | 96% | 54,940 psi | 88% | 2598 fps | 99.8% |
| IMR 4166 Enduron | <<locked>> | 96% | 54,563 psi | 87% | 2569 fps | 97.4% |
| IMR 4198 | <<locked>> | 82% | 53,156 psi | 85% | 2457 fps | 100% |
| IMR 4350ᴾ | <<locked>> | 100% | 49,951 psi | 80% | 2552 fps | 96% |
| IMR 4451 Enduron | <<locked>> | 98% | 55,564 psi | 89% | 2612 fps | 97.5% |
| IMR 4831ᴾ | <<locked>> | 100% | 42,351 psi | 68% | 2471 fps | 97.7% |
| IMR 4895 | <<locked>> | 92% | 54,476 psi | 87% | 2648 fps | 99.9% |
| IMR 8208 XBR | <<locked>> | 88% | 54,549 psi | 87% | 2585 fps | 100% |
| Lovex D073.5 | <<locked>> | 84% | 54,418 psi | 87% | 2570 fps | 100% |
| Lovex D073.6 | <<locked>> | 90% | 54,375 psi | 87% | 2604 fps | 100% |
| Lovex S060 | <<locked>> | 90% | 55,288 psi | 89% | 2561 fps | 99.9% |
| Lovex S062 | <<locked>> | 94% | 55,100 psi | 88% | 2604 fps | 100% |
| Lovex S065ᴾ | <<locked>> | 100% | 55,637 psi | 89% | 2602 fps | 98.5% |
| Lovex S070ᴾ | <<locked>> | 100% | 52,620 psi | 84% | 2585 fps | 97.2% |
| Norma 201 | <<locked>> | 90% | 53,766 psi | 86% | 2575 fps | 100% |
| Norma 202 | <<locked>> | 90% | 54,346 psi | 87% | 2579 fps | 100% |
| Norma 203B | <<locked>> | 94% | 55,593 psi | 89% | 2653 fps | 99.9% |
| Norma URPᴾ | <<locked>> | 100% | 49,951 psi | 80% | 2606 fps | 98.9% |
| Ramshot Big Game | <<locked>> | 94% | 56,289 psi | 90% | 2680 fps | 99.9% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 48,863 psi | 78% | 2600 fps | 97.3% |
| Ramshot TAC | <<locked>> | 88% | 55,071 psi | 88% | 2605 fps | 98.8% |
| Ramshot Wild Boar | <<locked>> | 88% | 54,157 psi | 87% | 2619 fps | 99.9% |
| Ramshot X-Terminator | <<locked>> | 86% | 55,854 psi | 90% | 2592 fps | 99.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,360 psi | 57% | 1591 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 84% | 54,360 psi | 87% | 2570 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 94% | 54,694 psi | 88% | 2609 fps | 98% |
| ReloadSwiss RS 52 | <<locked>> | 90% | 53,301 psi | 85% | 2680 fps | 99.7% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 52,794 psi | 85% | 2713 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 50,415 psi | 81% | 2634 fps | 98.8% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 50,357 psi | 81% | 2658 fps | 98.5% |
| Rottweil R 901 | <<locked>> | 88% | 54,795 psi | 88% | 2558 fps | 100% |
| Rottweil R 902 | <<locked>> | 92% | 54,143 psi | 87% | 2572 fps | 100% |
| Rottweil R 903 | <<locked>> | 98% | 55,724 psi | 89% | 2645 fps | 100% |
| Rottweil R 907 | <<locked>> | 98% | 54,244 psi | 87% | 2580 fps | 96.7% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 55,637 psi | 89% | 2602 fps | 98.5% |
| Shooters World Match Rifle | <<locked>> | 90% | 54,375 psi | 87% | 2604 fps | 100% |
| Shooters World Precision | <<locked>> | 94% | 55,100 psi | 88% | 2604 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 51,605 psi | 83% | 2585 fps | 97.2% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 53,896 psi | 86% | 2542 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 96% | 54,389 psi | 87% | 2661 fps | 99.9% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 53,722 psi | 86% | 2516 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 53,084 psi | 85% | 2581 fps | 98.9% |
| SNPE Vectan SP 9 | <<locked>> | 90% | 53,824 psi | 86% | 2605 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 90% | 56,014 psi | 90% | 2522 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 55,738 psi | 89% | 2518 fps | 100% |
| SNPE Vectan Tubal 7000ᴾ | <<locked>> | 100% | 55,230 psi | 89% | 2561 fps | 97.4% |
| Somchem S321 | <<locked>> | 86% | 55,695 psi | 89% | 2618 fps | 100% |
| Somchem S335 | <<locked>> | 90% | 54,955 psi | 88% | 2520 fps | 100% |
| Somchem S341 | <<locked>> | 90% | 56,391 psi | 90% | 2624 fps | 99.9% |
| Somchem S355 | <<locked>> | 96% | 53,040 psi | 85% | 2602 fps | 99.9% |
| Somchem S365ᴾ | <<locked>> | 100% | 44,092 psi | 71% | 2558 fps | 99.9% |
| Unknown powderᴾ | <<locked>> | 100% | 53,954 psi | 87% | 2662 fps | 99% |
| Vihtavuori N130 | <<locked>> | 86% | 54,723 psi | 88% | 2477 fps | 100% |
| Vihtavuori N133 | <<locked>> | 92% | 55,477 psi | 89% | 2503 fps | 100% |
| Vihtavuori N135 | <<locked>> | 92% | 53,809 psi | 86% | 2543 fps | 100% |
| Vihtavuori N140 | <<locked>> | 92% | 54,259 psi | 87% | 2553 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 50,850 psi | 82% | 2537 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 55,593 psi | 89% | 2637 fps | 99.3% |
| Vihtavuori N530 | <<locked>> | 86% | 54,418 psi | 87% | 2592 fps | 100% |
| Vihtavuori N540 | <<locked>> | 92% | 53,766 psi | 86% | 2579 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 56,086 psi | 90% | 2683 fps | 99.4% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 37,318 psi | 60% | 2433 fps | 97% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 52,779 psi | 85% | 2595 fps | 100% |
| Winchester 748 | <<locked>> | 86% | 55,288 psi | 89% | 2638 fps | 100% |
| Winchester 760 | <<locked>> | 98% | 54,752 psi | 88% | 2690 fps | 97.7% |
| Winchester StaBALL Match | <<locked>> | 84% | 55,158 psi | 88% | 2634 fps | 100% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 43,787 psi | 70% | 2365 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 47,572 psi | 76% | 2464 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 35,897 psi | 58% | 2287 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 41,220 psi | 66% | 2411 fps | 100% |
| Accurate 2700 | <<locked>> | 92% | 48,530 psi | 78% | 2457 fps | 95.2% |
| Accurate 4064 | <<locked>> | 80% | 33,982 psi | 54% | 2277 fps | 99.8% |
| Accurate 4350 | <<locked>> | 90% | 34,505 psi | 55% | 2349 fps | 95.6% |
| Accurate LT-30 | <<locked>> | 80% | 52,330 psi | 84% | 2438 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 52,736 psi | 85% | 2461 fps | 100% |
| ADI AR 2206H | <<locked>> | 80% | 40,350 psi | 65% | 2388 fps | 98.3% |
| ADI AR 2208 | <<locked>> | 80% | 34,258 psi | 55% | 2249 fps | 96% |
| ADI Benchmark 8208 | <<locked>> | 80% | 42,482 psi | 68% | 2402 fps | 99.5% |
| Alliant AR-Comp | <<locked>> | 80% | 41,800 psi | 67% | 2390 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 49,501 psi | 79% | 2585 fps | 99.8% |
| Alliant Power Pro 2000-MR | 52.8 gr | 80% | 36,361 psi | 58% | 2403 fps | 96.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 33,359 psi | 53% | 2266 fps | 97.5% |
| Alliant Reloder-10x | <<locked>> | 80% | 49,676 psi | 80% | 2454 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 36,143 psi | 58% | 2325 fps | 96.8% |
| Alliant Reloder-16 | <<locked>> | 90% | 35,665 psi | 57% | 2367 fps | 95.8% |
| Alliant Reloder-17 | <<locked>> | 82% | 30,792 psi | 49% | 2278 fps | 95.7% |
| Alliant Reloder-23 | <<locked>> | 96% | 30,211 psi | 48% | 2266 fps | 95.2% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 51,372 psi | 82% | 2438 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 39,233 psi | 63% | 2386 fps | 97.1% |
| Bofors RP3 | <<locked>> | 80% | 32,663 psi | 52% | 2265 fps | 97.4% |
| Bofors RP7 | <<locked>> | 94% | 47,166 psi | 76% | 2484 fps | 95.3% |
| Hodgdon Benchmark | <<locked>> | 80% | 44,353 psi | 71% | 2393 fps | 99.8% |
| Hodgdon BL-C2 | <<locked>> | 80% | 40,625 psi | 65% | 2415 fps | 99.6% |
| Hodgdon CFE223 | <<locked>> | 80% | 44,730 psi | 72% | 2539 fps | 98.8% |
| Hodgdon H322 | <<locked>> | 80% | 44,991 psi | 72% | 2437 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 52,243 psi | 84% | 2554 fps | 100% |
| Hodgdon H380 | <<locked>> | 82% | 36,143 psi | 58% | 2319 fps | 95.4% |
| Hodgdon H414 | <<locked>> | 92% | 44,599 psi | 72% | 2530 fps | 95.5% |
| Hodgdon H4350 | <<locked>> | 98% | 49,095 psi | 79% | 2552 fps | 95% |
| Hodgdon H4895 | <<locked>> | 80% | 40,654 psi | 65% | 2400 fps | 98.8% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 30,414 psi | 49% | 2220 fps | 95.7% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 34,287 psi | 55% | 2320 fps | 97.8% |
| Hodgdon Superformance | <<locked>> | 96% | 46,862 psi | 75% | 2581 fps | 95.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,889 psi | 42% | 1386 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 36,143 psi | 58% | 2297 fps | 97.8% |
| IMR 3031 | <<locked>> | 80% | 36,434 psi | 58% | 2336 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 33,518 psi | 54% | 2228 fps | 96% |
| IMR 4166 Enduron | <<locked>> | 90% | 45,745 psi | 73% | 2432 fps | 95.6% |
| IMR 4198 | <<locked>> | 80% | 50,111 psi | 80% | 2418 fps | 100% |
| IMR 4350 | <<locked>> | 98% | 47,021 psi | 75% | 2507 fps | 95.3% |
| IMR 4451 Enduron | <<locked>> | 92% | 46,166 psi | 74% | 2467 fps | 95.6% |
| IMR 4831 | <<locked>> | 94% | 34,476 psi | 55% | 2330 fps | 95.6% |
| IMR 4895 | <<locked>> | 80% | 36,985 psi | 59% | 2354 fps | 97.7% |
| IMR 8208 XBR | <<locked>> | 80% | 42,482 psi | 68% | 2400 fps | 99.5% |
| Lovex D073.5 | <<locked>> | 80% | 47,543 psi | 76% | 2476 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 38,812 psi | 62% | 2369 fps | 99.8% |
| Lovex S060 | <<locked>> | 80% | 40,814 psi | 65% | 2334 fps | 98.4% |
| Lovex S062 | <<locked>> | 80% | 35,534 psi | 57% | 2283 fps | 98.4% |
| Lovex S065 | <<locked>> | 90% | 39,697 psi | 64% | 2364 fps | 95.5% |
| Lovex S070 | <<locked>> | 94% | 42,627 psi | 68% | 2438 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 39,349 psi | 63% | 2345 fps | 99.1% |
| Norma 202 | <<locked>> | 80% | 39,494 psi | 63% | 2354 fps | 100% |
| Norma 203B | <<locked>> | 80% | 35,520 psi | 57% | 2315 fps | 97.2% |
| Norma URP | <<locked>> | 90% | 35,346 psi | 57% | 2355 fps | 95.6% |
| Ramshot Big Game | <<locked>> | 80% | 34,882 psi | 56% | 2323 fps | 96.8% |
| Ramshot Hunter | <<locked>> | 96% | 42,322 psi | 68% | 2496 fps | 95.7% |
| Ramshot TAC | <<locked>> | 80% | 42,134 psi | 68% | 2398 fps | 96.4% |
| Ramshot Wild Boar | <<locked>> | 80% | 41,350 psi | 66% | 2416 fps | 98.5% |
| Ramshot X-Terminator | <<locked>> | 80% | 45,818 psi | 73% | 2443 fps | 99.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,063 psi | 42% | 1418 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 47,558 psi | 76% | 2474 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 41,974 psi | 67% | 2405 fps | 95.3% |
| ReloadSwiss RS 52 | 51.2 gr | 80% | 37,478 psi | 60% | 2414 fps | 97.2% |
| ReloadSwiss RS 60 | 52 gr | 80% | 30,748 psi | 49% | 2288 fps | 98.3% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 34,664 psi | 56% | 2368 fps | 95.1% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 37,942 psi | 61% | 2432 fps | 95.1% |
| Rottweil R 901 | <<locked>> | 80% | 43,062 psi | 69% | 2386 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 37,405 psi | 60% | 2301 fps | 98.7% |
| Rottweil R 903 | <<locked>> | 80% | 30,647 psi | 49% | 2211 fps | 96.4% |
| Rottweil R 907 | <<locked>> | 94% | 47,166 psi | 76% | 2484 fps | 95.3% |
| Shooters World Long Rifle | <<locked>> | 90% | 39,697 psi | 64% | 2364 fps | 95.5% |
| Shooters World Match Rifle | <<locked>> | 80% | 38,812 psi | 62% | 2369 fps | 99.8% |
| Shooters World Precision | <<locked>> | 80% | 35,534 psi | 57% | 2283 fps | 98.4% |
| Shooters World SW4350 | <<locked>> | 94% | 42,627 psi | 68% | 2438 fps | 95.1% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 50,343 psi | 81% | 2493 fps | 99.9% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 31,981 psi | 51% | 2261 fps | 95.8% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 50,633 psi | 81% | 2477 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 40,205 psi | 64% | 2372 fps | 96.5% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 38,885 psi | 62% | 2360 fps | 98% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 41,147 psi | 66% | 2311 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 33,881 psi | 54% | 2189 fps | 99.9% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 44,962 psi | 72% | 2417 fps | 95.4% |
| Somchem S321 | <<locked>> | 80% | 45,469 psi | 73% | 2470 fps | 99.8% |
| Somchem S335 | <<locked>> | 80% | 40,509 psi | 65% | 2312 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 39,943 psi | 64% | 2372 fps | 98.2% |
| Somchem S355 | <<locked>> | 80% | 31,850 psi | 51% | 2224 fps | 96.5% |
| Somchem S365 | <<locked>> | 84% | 25,889 psi | 42% | 2152 fps | 95% |
| Unknown powder | <<locked>> | 88% | 36,376 psi | 58% | 2361 fps | 95.1% |
| Vihtavuori N130 | <<locked>> | 80% | 45,614 psi | 73% | 2357 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 38,754 psi | 62% | 2267 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 36,695 psi | 59% | 2293 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 36,985 psi | 59% | 2291 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 80% | 27,093 psi | 43% | 2094 fps | 96.2% |
| Vihtavuori N160 | <<locked>> | 86% | 34,113 psi | 55% | 2290 fps | 95% |
| Vihtavuori N530 | <<locked>> | 80% | 44,483 psi | 71% | 2444 fps | 99.7% |
| Vihtavuori N540 | <<locked>> | 80% | 36,550 psi | 59% | 2307 fps | 99.8% |
| Vihtavuori N550 | <<locked>> | 86% | 34,229 psi | 55% | 2327 fps | 95% |
| Vihtavuori N555 | <<locked>> | 96% | 31,923 psi | 51% | 2333 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 82% | 28,892 psi | 46% | 2145 fps | 95% |
| Winchester 748 | <<locked>> | 80% | 44,802 psi | 72% | 2488 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 44,599 psi | 72% | 2530 fps | 95.5% |
| Winchester StaBALL Match | <<locked>> | 80% | 47,747 psi | 77% | 2529 fps | 99.7% |
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 118 powders for .338 Win Mag. loaded with the .338 | 225gr | CutEdge LZR. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,738 fps; across all powders the maximum-charge window runs from 1,554 fps to 2,738 fps. Accurate 3100 gives the best case fill at 100 %, and 118 of the 118 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (430 MPa), the top charges use 49–90 %, leaving at least 10 % headroom. The 225.0 gr projectile in 0.338" calls for a 1:10.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate 4350, ADI AR 2209 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. ReloadSwiss RS 60, Alliant Power Pro 2000-MR, ReloadSwiss RS 52 rank at the top here: for .338 Win Mag. with the .338 | 225gr | CutEdge LZR they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 3100, ADI AR 2209, Alliant Reloder-19 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.