Load Specifications
Load data in caliber .30 R Blaser with .308 | 207gr | Peregrine VLR-5 bullet and 97 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 Alliant Reloder-17.
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 2495 | <<locked>> | 84% | 50,604 psi | 86% | 2372 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 50,879 psi | 87% | 2392 fps | 97.9% |
| Accurate 3100ᴾ | <<locked>> | 100% | 44,918 psi | 76% | 2398 fps | 98.5% |
| Accurate 4064 | <<locked>> | 86% | 50,952 psi | 87% | 2418 fps | 100% |
| Accurate 4350 | <<locked>> | 94% | 50,966 psi | 87% | 2500 fps | 99.9% |
| ADI AR 2206H | <<locked>> | 82% | 51,227 psi | 87% | 2444 fps | 100% |
| ADI AR 2208 | <<locked>> | 88% | 52,301 psi | 89% | 2451 fps | 100% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 52,823 psi | 90% | 2539 fps | 97.6% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 51,010 psi | 87% | 2552 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 52,591 psi | 90% | 2470 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 53,011 psi | 90% | 2487 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 96% | 52,388 psi | 89% | 2552 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 90% | 49,763 psi | 85% | 2530 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 51,793 psi | 88% | 2526 fps | 97.5% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 45,266 psi | 77% | 2467 fps | 96.3% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 42,699 psi | 73% | 2425 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 37,434 psi | 64% | 2343 fps | 97.3% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 48,298 psi | 82% | 2585 fps | 99.9% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 50,778 psi | 86% | 2457 fps | 99.9% |
| Bofors RP3 | <<locked>> | 88% | 53,084 psi | 90% | 2484 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 45,266 psi | 77% | 2467 fps | 96.3% |
| Bofors RP7 | <<locked>> | 92% | 52,953 psi | 90% | 2464 fps | 98.4% |
| Hodgdon BL-C2 | <<locked>> | 82% | 52,765 psi | 90% | 2467 fps | 100% |
| Hodgdon H380 | <<locked>> | 86% | 50,227 psi | 86% | 2448 fps | 99.7% |
| Hodgdon H414 | <<locked>> | 90% | 51,735 psi | 88% | 2523 fps | 98.8% |
| Hodgdon H4350 | <<locked>> | 94% | 52,692 psi | 90% | 2493 fps | 97.9% |
| Hodgdon H4895 | <<locked>> | 82% | 51,735 psi | 88% | 2454 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 52,417 psi | 89% | 2487 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 51,503 psi | 88% | 2487 fps | 100% |
| Hodgdon Superformance | <<locked>> | 92% | 50,473 psi | 86% | 2533 fps | 98.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,752 psi | 61% | 1516 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 52,083 psi | 89% | 2444 fps | 100% |
| IMR 3031 | <<locked>> | 84% | 50,676 psi | 86% | 2418 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 51,169 psi | 87% | 2425 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 88% | 50,618 psi | 86% | 2405 fps | 98.5% |
| IMR 4350 | <<locked>> | 94% | 50,256 psi | 86% | 2444 fps | 98.1% |
| IMR 4451 Enduron | <<locked>> | 90% | 51,561 psi | 88% | 2444 fps | 98.6% |
| IMR 4831ᴾ | <<locked>> | 100% | 52,373 psi | 89% | 2507 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 50,836 psi | 87% | 2464 fps | 100% |
| IMR 4955 Enduronᴾ | <<locked>> | 100% | 52,634 psi | 90% | 2477 fps | 95.7% |
| Lovex D073.6 | <<locked>> | 82% | 50,807 psi | 86% | 2421 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 50,647 psi | 86% | 2382 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 51,880 psi | 88% | 2431 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 50,995 psi | 87% | 2438 fps | 99.4% |
| Lovex S070 | <<locked>> | 94% | 51,953 psi | 88% | 2474 fps | 98.9% |
| Lovex S071ᴾ | <<locked>> | 100% | 37,072 psi | 63% | 2267 fps | 96.6% |
| Norma 201 | <<locked>> | 82% | 49,980 psi | 85% | 2395 fps | 100% |
| Norma 202 | <<locked>> | 82% | 50,778 psi | 86% | 2398 fps | 100% |
| Norma 203B | <<locked>> | 86% | 52,272 psi | 89% | 2477 fps | 100% |
| Norma 204 | <<locked>> | 94% | 50,676 psi | 86% | 2487 fps | 97.1% |
| Norma MRPᴾ | <<locked>> | 100% | 47,950 psi | 82% | 2546 fps | 98.3% |
| Norma URP | <<locked>> | 94% | 50,256 psi | 86% | 2493 fps | 99.9% |
| Ramshot Big Game | <<locked>> | 86% | 52,881 psi | 90% | 2500 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 51,271 psi | 87% | 2556 fps | 96.3% |
| Ramshot Hunter | <<locked>> | 96% | 52,446 psi | 89% | 2539 fps | 99.4% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 44,237 psi | 75% | 2428 fps | 96.4% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,347 psi | 62% | 1552 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 50,502 psi | 86% | 2434 fps | 98.9% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 49,908 psi | 85% | 2497 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 53,055 psi | 90% | 2575 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 50,937 psi | 87% | 2526 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 50,111 psi | 85% | 2549 fps | 99.8% |
| Rottweil R 902 | <<locked>> | 84% | 50,488 psi | 86% | 2395 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 52,968 psi | 90% | 2477 fps | 100% |
| Rottweil R 904 | <<locked>> | 98% | 51,271 psi | 87% | 2464 fps | 96.1% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 50,720 psi | 86% | 2513 fps | 97.5% |
| Rottweil R 907 | <<locked>> | 92% | 52,953 psi | 90% | 2464 fps | 98.4% |
| Shooters World Long Rifle | <<locked>> | 92% | 50,995 psi | 87% | 2438 fps | 99.4% |
| Shooters World Match Rifle | <<locked>> | 82% | 50,807 psi | 86% | 2421 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 51,880 psi | 88% | 2431 fps | 100% |
| Shooters World SW4350 | <<locked>> | 94% | 51,953 psi | 88% | 2474 fps | 98.9% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 51,184 psi | 87% | 2484 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 52,040 psi | 89% | 2448 fps | 99.8% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 53,069 psi | 90% | 2467 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 51,372 psi | 87% | 2343 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 51,822 psi | 88% | 2343 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 50,995 psi | 87% | 2398 fps | 98.6% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 50,227 psi | 86% | 2507 fps | 97.4% |
| Somchem S335 | <<locked>> | 82% | 50,836 psi | 87% | 2339 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 51,677 psi | 88% | 2434 fps | 100% |
| Somchem S355 | <<locked>> | 90% | 53,142 psi | 90% | 2474 fps | 100% |
| Somchem S365 | <<locked>> | 98% | 52,170 psi | 89% | 2539 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 51,227 psi | 87% | 2490 fps | 98.3% |
| Unknown powder | <<locked>> | 92% | 51,329 psi | 87% | 2500 fps | 99.7% |
| Vihtavuori N133 | <<locked>> | 84% | 51,387 psi | 87% | 2326 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 50,749 psi | 86% | 2365 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 50,386 psi | 86% | 2372 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 51,416 psi | 88% | 2418 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 51,793 psi | 88% | 2474 fps | 99.9% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 42,641 psi | 73% | 2346 fps | 96% |
| Vihtavuori N540 | <<locked>> | 84% | 50,140 psi | 85% | 2398 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 51,924 psi | 88% | 2516 fps | 99.9% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 47,398 psi | 81% | 2490 fps | 99.9% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 52,591 psi | 90% | 2467 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 51,735 psi | 88% | 2523 fps | 98.8% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 38,218 psi | 65% | 2457 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 49,922 psi | 85% | 2461 fps | 97% |
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 2495 | <<locked>> | 80% | 44,353 psi | 76% | 2290 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 38,885 psi | 66% | 2198 fps | 95% |
| Accurate 3100 | <<locked>> | 92% | 33,997 psi | 58% | 2205 fps | 95.6% |
| Accurate 4064 | <<locked>> | 80% | 42,047 psi | 72% | 2293 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 31,154 psi | 53% | 2156 fps | 96.4% |
| ADI AR 2206H | <<locked>> | 80% | 48,109 psi | 82% | 2402 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 40,756 psi | 69% | 2270 fps | 99.2% |
| ADI AR 2209 | <<locked>> | 94% | 43,381 psi | 74% | 2385 fps | 95.3% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 44,077 psi | 75% | 2444 fps | 99.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 40,611 psi | 69% | 2290 fps | 99.9% |
| Alliant Reloder-15 | <<locked>> | 80% | 43,700 psi | 74% | 2349 fps | 99.6% |
| Alliant Reloder-16 | <<locked>> | 80% | 31,517 psi | 54% | 2172 fps | 96.6% |
| Alliant Reloder-17 | 47.6 gr | 80% | 35,259 psi | 60% | 2280 fps | 99.2% |
| Alliant Reloder-19 | <<locked>> | 94% | 42,714 psi | 73% | 2379 fps | 95.3% |
| Alliant Reloder-22 | <<locked>> | 98% | 42,467 psi | 72% | 2421 fps | 95.4% |
| Alliant Reloder-23 | <<locked>> | 84% | 25,628 psi | 44% | 2044 fps | 95.4% |
| Alliant Reloder-25 | <<locked>> | 96% | 33,083 psi | 56% | 2244 fps | 95.4% |
| Alliant Reloder-26 | <<locked>> | 88% | 31,357 psi | 53% | 2247 fps | 95.8% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 47,500 psi | 81% | 2411 fps | 99.8% |
| Bofors RP3 | <<locked>> | 80% | 40,495 psi | 69% | 2297 fps | 99.9% |
| Bofors RP5 | <<locked>> | 98% | 42,467 psi | 72% | 2421 fps | 95.4% |
| Bofors RP7 | <<locked>> | 82% | 38,725 psi | 66% | 2231 fps | 95.2% |
| Hodgdon BL-C2 | <<locked>> | 80% | 49,342 psi | 84% | 2421 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 41,263 psi | 70% | 2306 fps | 98.6% |
| Hodgdon H414 | <<locked>> | 80% | 36,492 psi | 62% | 2264 fps | 95.3% |
| Hodgdon H4350 | <<locked>> | 86% | 40,857 psi | 70% | 2303 fps | 95.1% |
| Hodgdon H4895 | <<locked>> | 80% | 48,631 psi | 83% | 2411 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 28,906 psi | 49% | 2083 fps | 97.3% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 42,308 psi | 72% | 2352 fps | 100% |
| Hodgdon Superformance | 52.8 gr | 84% | 37,666 psi | 64% | 2310 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,643 psi | 45% | 1352 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 43,163 psi | 73% | 2313 fps | 99.9% |
| IMR 3031 | <<locked>> | 80% | 44,628 psi | 76% | 2336 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 40,147 psi | 68% | 2254 fps | 99.3% |
| IMR 4166 Enduron | <<locked>> | 80% | 39,784 psi | 68% | 2224 fps | 96.2% |
| IMR 4350 | <<locked>> | 86% | 39,001 psi | 66% | 2257 fps | 95.3% |
| IMR 4451 Enduron | <<locked>> | 80% | 37,695 psi | 64% | 2211 fps | 95.4% |
| IMR 4831 | <<locked>> | 82% | 29,283 psi | 50% | 2096 fps | 95.7% |
| IMR 4895 | <<locked>> | 80% | 44,817 psi | 76% | 2375 fps | 99.9% |
| IMR 4955 Enduron | <<locked>> | 98% | 49,472 psi | 84% | 2431 fps | 95% |
| Lovex D073.6 | <<locked>> | 80% | 47,659 psi | 81% | 2379 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 47,630 psi | 81% | 2339 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 42,728 psi | 73% | 2297 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 35,114 psi | 60% | 2169 fps | 96.2% |
| Lovex S070 | <<locked>> | 82% | 35,505 psi | 60% | 2192 fps | 95.1% |
| Lovex S071 | <<locked>> | 96% | 32,590 psi | 55% | 2175 fps | 95% |
| Norma 201 | <<locked>> | 80% | 46,920 psi | 80% | 2352 fps | 100% |
| Norma 202 | <<locked>> | 80% | 47,398 psi | 81% | 2352 fps | 100% |
| Norma 203B | <<locked>> | 80% | 43,047 psi | 73% | 2339 fps | 99.8% |
| Norma 204 | <<locked>> | 90% | 44,048 psi | 75% | 2382 fps | 95.4% |
| Norma MRP | <<locked>> | 94% | 38,841 psi | 66% | 2382 fps | 95.9% |
| Norma URP | <<locked>> | 80% | 31,604 psi | 54% | 2159 fps | 96.4% |
| Ramshot Big Game | <<locked>> | 80% | 42,801 psi | 73% | 2352 fps | 99.7% |
| Ramshot Grand | <<locked>> | 98% | 47,616 psi | 81% | 2500 fps | 95.3% |
| Ramshot Hunter | <<locked>> | 84% | 35,186 psi | 60% | 2244 fps | 95.8% |
| Ramshot Magnum | <<locked>> | 98% | 40,828 psi | 70% | 2369 fps | 95.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,035 psi | 46% | 1385 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 41,510 psi | 71% | 2290 fps | 97.3% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 46,731 psi | 80% | 2448 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 37,550 psi | 64% | 2336 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 30,864 psi | 53% | 2169 fps | 95.9% |
| ReloadSwiss RS 70 | 49.5 gr | 82% | 32,996 psi | 56% | 2224 fps | 95.9% |
| Rottweil R 902 | <<locked>> | 80% | 44,498 psi | 76% | 2310 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 38,058 psi | 65% | 2251 fps | 99.6% |
| Rottweil R 904 | <<locked>> | 96% | 48,109 psi | 82% | 2418 fps | 95.3% |
| Rottweil R 905 | <<locked>> | 94% | 41,408 psi | 70% | 2362 fps | 95.2% |
| Rottweil R 907 | <<locked>> | 82% | 38,725 psi | 66% | 2231 fps | 95.2% |
| Shooters World Long Rifle | <<locked>> | 80% | 35,114 psi | 60% | 2169 fps | 96.2% |
| Shooters World Match Rifle | <<locked>> | 80% | 47,659 psi | 81% | 2379 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 42,728 psi | 73% | 2297 fps | 100% |
| Shooters World SW4350 | <<locked>> | 82% | 35,505 psi | 60% | 2192 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 39,305 psi | 67% | 2300 fps | 99.4% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 48,617 psi | 83% | 2398 fps | 99.5% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 46,688 psi | 79% | 2375 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 48,167 psi | 82% | 2300 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 40,292 psi | 69% | 2188 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 36,637 psi | 62% | 2162 fps | 95.3% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 41,017 psi | 70% | 2356 fps | 95% |
| Somchem S335 | <<locked>> | 80% | 47,834 psi | 81% | 2300 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 48,312 psi | 82% | 2388 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 38,769 psi | 66% | 2254 fps | 99.6% |
| Somchem S365 | <<locked>> | 80% | 28,166 psi | 48% | 2116 fps | 98.4% |
| Somchem S385 | <<locked>> | 92% | 39,204 psi | 67% | 2297 fps | 95.4% |
| Unknown powder | <<locked>> | 80% | 34,360 psi | 58% | 2211 fps | 96.7% |
| Vihtavuori N133 | <<locked>> | 80% | 45,513 psi | 77% | 2251 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 44,483 psi | 76% | 2283 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 44,454 psi | 76% | 2290 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 33,054 psi | 56% | 2123 fps | 99.4% |
| Vihtavuori N160 | <<locked>> | 80% | 34,316 psi | 58% | 2188 fps | 97.2% |
| Vihtavuori N165 | <<locked>> | 98% | 39,987 psi | 68% | 2300 fps | 95.1% |
| Vihtavuori N540 | <<locked>> | 80% | 44,063 psi | 75% | 2310 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 34,867 psi | 59% | 2228 fps | 97.3% |
| Vihtavuori N555 | <<locked>> | 84% | 27,572 psi | 47% | 2110 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 32,503 psi | 55% | 2139 fps | 98.6% |
| Winchester 760 | <<locked>> | 80% | 36,492 psi | 62% | 2264 fps | 95.3% |
| Winchester StaBALL HD | <<locked>> | 88% | 25,556 psi | 44% | 2113 fps | 96% |
| Winchester Supreme 780 | <<locked>> | 94% | 43,163 psi | 73% | 2356 fps | 95.3% |
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 108 powders for .30 R Blaser loaded with the .308 | 207gr | Peregrine VLR-5. Alliant Reloder-26 delivers the highest muzzle velocity at 2,585 fps; across all powders the maximum-charge window runs from 1,516 fps to 2,585 fps. Accurate 3100 gives the best case fill at 100 %, and 108 of the 108 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 61–90 %, leaving at least 10 % headroom. The 207.0 gr projectile in 0.308" calls for a 1:9.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate MAGPRO, 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 70, Hodgdon Superformance, Alliant Reloder-17 rank at the top here: for .30 R Blaser with the .308 | 207gr | Peregrine VLR-5 they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate MAGPRO, ADI AR 2213, Hodgdon H4831 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.