Load Specifications
Load data in caliber .30 R Blaser with .308 | 196gr | Peregrine Glider (Glider GRM) bullet and 96 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Hodgdon Superformance and ReloadSwiss RS 60.
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.
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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>> | 82% | 52,417 psi | 89% | 2415 fps | 100% |
| Accurate 2495 | <<locked>> | 86% | 50,517 psi | 86% | 2434 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 50,763 psi | 86% | 2480 fps | 100% |
| Accurate 2700 | <<locked>> | 90% | 51,300 psi | 87% | 2448 fps | 97.2% |
| Accurate 3100ᴾ | <<locked>> | 100% | 41,437 psi | 71% | 2398 fps | 97% |
| Accurate 4064 | <<locked>> | 88% | 50,778 psi | 86% | 2480 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 50,473 psi | 86% | 2556 fps | 99.7% |
| ADI AR 2206H | <<locked>> | 84% | 51,387 psi | 87% | 2507 fps | 100% |
| ADI AR 2208 | <<locked>> | 90% | 52,605 psi | 90% | 2510 fps | 99.9% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 49,676 psi | 85% | 2539 fps | 96% |
| ADI Benchmark 8208 | <<locked>> | 82% | 50,517 psi | 86% | 2464 fps | 100% |
| Alliant AR-Comp | <<locked>> | 82% | 51,213 psi | 87% | 2438 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 51,068 psi | 87% | 2615 fps | 99.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 52,678 psi | 90% | 2530 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 49,908 psi | 85% | 2503 fps | 99.8% |
| Alliant Reloder-16 | <<locked>> | 98% | 52,214 psi | 89% | 2608 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 92% | 49,705 psi | 85% | 2592 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 48,544 psi | 83% | 2530 fps | 96% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 39,479 psi | 67% | 2421 fps | 99.5% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 44,295 psi | 75% | 2572 fps | 99% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 51,213 psi | 87% | 2523 fps | 99.8% |
| Bofors RP3 | <<locked>> | 90% | 52,823 psi | 90% | 2539 fps | 100% |
| Bofors RP7 | <<locked>> | 94% | 53,055 psi | 90% | 2516 fps | 97.8% |
| Hodgdon Benchmark | <<locked>> | 82% | 52,185 psi | 89% | 2448 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 82% | 49,617 psi | 84% | 2487 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 50,357 psi | 86% | 2507 fps | 99.4% |
| Hodgdon H414 | <<locked>> | 92% | 51,779 psi | 88% | 2579 fps | 98.3% |
| Hodgdon H4350 | <<locked>> | 96% | 52,620 psi | 90% | 2546 fps | 97.1% |
| Hodgdon H4895 | <<locked>> | 84% | 51,924 psi | 88% | 2516 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 51,779 psi | 88% | 2539 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 51,488 psi | 88% | 2549 fps | 100% |
| Hodgdon Superformance | <<locked>> | 94% | 50,430 psi | 86% | 2585 fps | 97.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,592 psi | 61% | 1545 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 52,388 psi | 89% | 2507 fps | 100% |
| IMR 3031 | <<locked>> | 86% | 50,575 psi | 86% | 2480 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 51,401 psi | 88% | 2487 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 90% | 51,053 psi | 87% | 2464 fps | 97.9% |
| IMR 4350 | <<locked>> | 96% | 50,183 psi | 85% | 2497 fps | 97.4% |
| IMR 4451 Enduron | <<locked>> | 92% | 51,938 psi | 88% | 2503 fps | 98% |
| IMR 4831ᴾ | <<locked>> | 100% | 48,704 psi | 83% | 2513 fps | 99.6% |
| IMR 4895 | <<locked>> | 86% | 51,198 psi | 87% | 2530 fps | 100% |
| IMR 8208 XBR | <<locked>> | 82% | 50,517 psi | 86% | 2464 fps | 100% |
| Lovex D073.6 | <<locked>> | 84% | 51,082 psi | 87% | 2484 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 51,314 psi | 87% | 2448 fps | 100% |
| Lovex S062 | <<locked>> | 88% | 51,735 psi | 88% | 2490 fps | 100% |
| Lovex S065 | <<locked>> | 94% | 51,227 psi | 87% | 2497 fps | 99% |
| Lovex S070 | <<locked>> | 96% | 51,822 psi | 88% | 2526 fps | 98.3% |
| Norma 201 | <<locked>> | 84% | 50,125 psi | 85% | 2457 fps | 100% |
| Norma 202 | <<locked>> | 84% | 50,879 psi | 87% | 2461 fps | 100% |
| Norma 203B | <<locked>> | 88% | 52,388 psi | 89% | 2539 fps | 100% |
| Norma 204 | <<locked>> | 96% | 50,676 psi | 86% | 2539 fps | 96.2% |
| Norma MRPᴾ | <<locked>> | 100% | 44,440 psi | 76% | 2536 fps | 96.6% |
| Norma URP | <<locked>> | 96% | 49,893 psi | 85% | 2546 fps | 99.6% |
| Ramshot Big Game | <<locked>> | 88% | 52,895 psi | 90% | 2562 fps | 100% |
| Ramshot Hunter | <<locked>> | 98% | 52,214 psi | 89% | 2592 fps | 99% |
| Ramshot TAC | <<locked>> | 82% | 50,633 psi | 86% | 2480 fps | 99% |
| Ramshot Wild Boar | <<locked>> | 82% | 50,401 psi | 86% | 2497 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,882 psi | 61% | 1581 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 50,720 psi | 86% | 2490 fps | 98.4% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 50,038 psi | 85% | 2559 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 53,069 psi | 90% | 2638 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 50,473 psi | 86% | 2579 fps | 99.6% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 50,038 psi | 85% | 2602 fps | 99.4% |
| Rottweil R 901 | <<locked>> | 82% | 51,256 psi | 87% | 2441 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 50,633 psi | 86% | 2457 fps | 100% |
| Rottweil R 903 | <<locked>> | 92% | 52,707 psi | 90% | 2533 fps | 100% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 46,891 psi | 80% | 2507 fps | 95.8% |
| Rottweil R 907 | <<locked>> | 94% | 53,055 psi | 90% | 2516 fps | 97.8% |
| Shooters World Long Rifle | <<locked>> | 94% | 51,227 psi | 87% | 2497 fps | 99% |
| Shooters World Match Rifle | <<locked>> | 84% | 51,082 psi | 87% | 2484 fps | 100% |
| Shooters World Precision | <<locked>> | 88% | 51,735 psi | 88% | 2490 fps | 100% |
| Shooters World SW4350 | <<locked>> | 96% | 51,822 psi | 88% | 2526 fps | 98.3% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 51,198 psi | 87% | 2546 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 52,591 psi | 90% | 2510 fps | 99.5% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 50,067 psi | 85% | 2484 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 51,779 psi | 88% | 2405 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 52,228 psi | 89% | 2408 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 51,140 psi | 87% | 2451 fps | 98% |
| Somchem S335 | <<locked>> | 84% | 51,111 psi | 87% | 2402 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 52,156 psi | 89% | 2500 fps | 100% |
| Somchem S355 | <<locked>> | 90% | 50,009 psi | 85% | 2490 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 51,590 psi | 88% | 2595 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 47,761 psi | 81% | 2493 fps | 96.9% |
| Unknown powder | <<locked>> | 94% | 51,068 psi | 87% | 2552 fps | 99.4% |
| Vihtavuori N133 | <<locked>> | 86% | 51,692 psi | 88% | 2388 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 50,763 psi | 86% | 2428 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 50,589 psi | 86% | 2434 fps | 100% |
| Vihtavuori N150 | <<locked>> | 96% | 51,300 psi | 87% | 2474 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 51,576 psi | 88% | 2530 fps | 99.7% |
| Vihtavuori N540 | <<locked>> | 86% | 50,328 psi | 86% | 2461 fps | 100% |
| Vihtavuori N550 | <<locked>> | 94% | 51,953 psi | 88% | 2575 fps | 99.7% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 43,627 psi | 74% | 2493 fps | 99.4% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 52,663 psi | 90% | 2526 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 51,779 psi | 88% | 2579 fps | 98.3% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 35,360 psi | 60% | 2434 fps | 99.6% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 50,038 psi | 85% | 2513 fps | 96.1% |
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% | 49,124 psi | 84% | 2375 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 41,510 psi | 71% | 2310 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 47,297 psi | 81% | 2434 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 42,032 psi | 72% | 2300 fps | 95% |
| Accurate 3100 | <<locked>> | 96% | 35,781 psi | 61% | 2293 fps | 95.3% |
| Accurate 4064 | <<locked>> | 80% | 39,276 psi | 67% | 2310 fps | 100% |
| Accurate 4350 | <<locked>> | 82% | 30,719 psi | 52% | 2198 fps | 95.4% |
| ADI AR 2206H | <<locked>> | 80% | 45,281 psi | 77% | 2415 fps | 99.7% |
| ADI AR 2208 | <<locked>> | 80% | 38,508 psi | 66% | 2283 fps | 98.3% |
| ADI AR 2209 | <<locked>> | 98% | 46,267 psi | 79% | 2484 fps | 95.1% |
| ADI Benchmark 8208 | <<locked>> | 80% | 47,413 psi | 81% | 2418 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 48,095 psi | 82% | 2398 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 41,278 psi | 70% | 2448 fps | 98.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 38,145 psi | 65% | 2303 fps | 99.3% |
| Alliant Reloder-15 | <<locked>> | 80% | 40,915 psi | 70% | 2359 fps | 98.9% |
| Alliant Reloder-16 | <<locked>> | 82% | 31,430 psi | 54% | 2215 fps | 95.6% |
| Alliant Reloder-17 | <<locked>> | 80% | 32,880 psi | 56% | 2280 fps | 98% |
| Alliant Reloder-19 | <<locked>> | 98% | 45,310 psi | 77% | 2477 fps | 95.1% |
| Alliant Reloder-23 | <<locked>> | 88% | 27,108 psi | 46% | 2133 fps | 95.2% |
| Alliant Reloder-26 | <<locked>> | 92% | 33,214 psi | 57% | 2339 fps | 95.6% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 44,628 psi | 76% | 2421 fps | 99.1% |
| Bofors RP3 | <<locked>> | 80% | 37,666 psi | 64% | 2303 fps | 99.3% |
| Bofors RP7 | <<locked>> | 86% | 41,350 psi | 70% | 2329 fps | 95.1% |
| Hodgdon Benchmark | <<locked>> | 80% | 49,052 psi | 84% | 2405 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 46,267 psi | 79% | 2441 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 38,580 psi | 66% | 2310 fps | 97.4% |
| Hodgdon H414 | <<locked>> | 84% | 38,972 psi | 66% | 2365 fps | 95.2% |
| Hodgdon H4350 | <<locked>> | 90% | 43,555 psi | 74% | 2402 fps | 95% |
| Hodgdon H4895 | <<locked>> | 80% | 45,687 psi | 78% | 2425 fps | 99.9% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 27,006 psi | 46% | 2080 fps | 95.5% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 39,407 psi | 67% | 2359 fps | 99.6% |
| Hodgdon Superformance | 54.3 gr | 88% | 40,625 psi | 69% | 2415 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,353 psi | 45% | 1378 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 40,785 psi | 69% | 2326 fps | 99.4% |
| IMR 3031 | <<locked>> | 80% | 41,742 psi | 71% | 2356 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 37,840 psi | 64% | 2264 fps | 98.3% |
| IMR 4166 Enduron | <<locked>> | 82% | 39,958 psi | 68% | 2277 fps | 95.3% |
| IMR 4350 | <<locked>> | 90% | 41,568 psi | 71% | 2356 fps | 95.2% |
| IMR 4451 Enduron | <<locked>> | 84% | 40,480 psi | 69% | 2313 fps | 95.4% |
| IMR 4831 | <<locked>> | 86% | 30,937 psi | 53% | 2185 fps | 95.5% |
| IMR 4895 | <<locked>> | 80% | 41,930 psi | 71% | 2385 fps | 99.4% |
| IMR 8208 XBR | <<locked>> | 80% | 47,413 psi | 81% | 2418 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 44,527 psi | 76% | 2395 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 45,281 psi | 77% | 2356 fps | 99.7% |
| Lovex S062 | <<locked>> | 80% | 40,277 psi | 69% | 2313 fps | 99.7% |
| Lovex S065 | <<locked>> | 82% | 35,041 psi | 60% | 2215 fps | 95.3% |
| Lovex S070 | <<locked>> | 88% | 40,219 psi | 68% | 2336 fps | 95.8% |
| Norma 201 | <<locked>> | 80% | 44,353 psi | 76% | 2369 fps | 100% |
| Norma 202 | <<locked>> | 80% | 44,715 psi | 76% | 2375 fps | 100% |
| Norma 203B | <<locked>> | 80% | 40,292 psi | 69% | 2349 fps | 99.2% |
| Norma 204 | <<locked>> | 94% | 47,181 psi | 80% | 2484 fps | 95.3% |
| Norma MRP | <<locked>> | 98% | 41,350 psi | 70% | 2480 fps | 95.7% |
| Norma URP | <<locked>> | 82% | 31,328 psi | 53% | 2205 fps | 95.4% |
| Ramshot Big Game | <<locked>> | 80% | 39,972 psi | 68% | 2362 fps | 99% |
| Ramshot Hunter | <<locked>> | 88% | 37,565 psi | 64% | 2343 fps | 95.7% |
| Ramshot TAC | <<locked>> | 80% | 47,369 psi | 81% | 2431 fps | 98.6% |
| Ramshot Wild Boar | <<locked>> | 80% | 47,050 psi | 80% | 2448 fps | 99.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,701 psi | 45% | 1414 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 39,001 psi | 66% | 2293 fps | 95.8% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 43,468 psi | 74% | 2454 fps | 99.3% |
| ReloadSwiss RS 60 | 46.7 gr | 80% | 35,041 psi | 60% | 2336 fps | 99.9% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 32,982 psi | 56% | 2270 fps | 95.8% |
| ReloadSwiss RS 70 | 51 gr | 86% | 35,505 psi | 60% | 2329 fps | 95.9% |
| Rottweil R 901 | <<locked>> | 80% | 48,095 psi | 82% | 2398 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 42,018 psi | 72% | 2326 fps | 99.9% |
| Rottweil R 903 | <<locked>> | 80% | 35,346 psi | 60% | 2254 fps | 98.7% |
| Rottweil R 905 | <<locked>> | 98% | 43,903 psi | 75% | 2457 fps | 95% |
| Rottweil R 907 | <<locked>> | 86% | 41,350 psi | 70% | 2329 fps | 95.1% |
| Shooters World Long Rifle | <<locked>> | 82% | 35,041 psi | 60% | 2215 fps | 95.3% |
| Shooters World Match Rifle | <<locked>> | 80% | 44,527 psi | 76% | 2395 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 40,277 psi | 69% | 2313 fps | 99.7% |
| Shooters World SW4350 | <<locked>> | 88% | 40,219 psi | 68% | 2336 fps | 95.8% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 36,608 psi | 62% | 2303 fps | 98.4% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 45,701 psi | 78% | 2408 fps | 98.7% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 43,947 psi | 75% | 2388 fps | 99.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 45,701 psi | 78% | 2323 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 38,029 psi | 65% | 2205 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 39,363 psi | 67% | 2264 fps | 95.3% |
| Somchem S335 | <<locked>> | 80% | 45,368 psi | 77% | 2323 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 45,426 psi | 77% | 2402 fps | 99.7% |
| Somchem S355 | <<locked>> | 80% | 36,390 psi | 62% | 2260 fps | 98.8% |
| Somchem S365 | <<locked>> | 80% | 26,237 psi | 45% | 2113 fps | 96.8% |
| Somchem S385 | <<locked>> | 96% | 41,669 psi | 71% | 2392 fps | 95.3% |
| Unknown powder | <<locked>> | 82% | 34,200 psi | 58% | 2257 fps | 95.7% |
| Vihtavuori N133 | <<locked>> | 80% | 43,033 psi | 73% | 2274 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 41,742 psi | 71% | 2306 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 41,916 psi | 71% | 2313 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 30,922 psi | 53% | 2129 fps | 98.5% |
| Vihtavuori N160 | <<locked>> | 80% | 31,879 psi | 54% | 2185 fps | 95.5% |
| Vihtavuori N540 | <<locked>> | 80% | 41,365 psi | 70% | 2326 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 32,387 psi | 55% | 2224 fps | 95.6% |
| Vihtavuori N555 | <<locked>> | 88% | 28,979 psi | 49% | 2195 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 30,545 psi | 52% | 2139 fps | 97.3% |
| Winchester 760 | <<locked>> | 84% | 38,972 psi | 66% | 2365 fps | 95.2% |
| Winchester StaBALL HD | <<locked>> | 92% | 27,151 psi | 46% | 2201 fps | 95.8% |
| Winchester Supreme 780 | <<locked>> | 98% | 46,441 psi | 79% | 2457 fps | 95.2% |
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 96 powders for .30 R Blaser loaded with the .308 | 196gr | Peregrine Glider (Glider GRM). ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,638 fps; across all powders the maximum-charge window runs from 1,545 fps to 2,638 fps. Accurate 3100 gives the best case fill at 100 %, and 96 of the 96 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 60–90 %, leaving at least 10 % headroom. The 196.0 gr projectile in 0.308" calls for a 1:9.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2209, Alliant Reloder-19 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 70, Hodgdon Superformance, ReloadSwiss RS 60 rank at the top here: for .30 R Blaser with the .308 | 196gr | Peregrine Glider (Glider GRM) 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.