Load Specifications
Load data in caliber 7 mm-08 Rem. with .284 | 160gr | Sierra SBT GameKing bullet and 99 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, Alliant Reloder-17 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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 86% | 53,824 psi | 89% | 2490 fps | 100% |
| Accurate 2460 | <<locked>> | 82% | 52,185 psi | 87% | 2516 fps | 100% |
| Accurate 2495 | <<locked>> | 90% | 51,517 psi | 86% | 2510 fps | 100% |
| Accurate 2520 | <<locked>> | 86% | 53,882 psi | 90% | 2575 fps | 100% |
| Accurate 2700 | <<locked>> | 90% | 51,735 psi | 86% | 2503 fps | 96% |
| Accurate 4064 | <<locked>> | 92% | 51,605 psi | 86% | 2556 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 50,314 psi | 84% | 2615 fps | 99.1% |
| ADI AR 2206H | <<locked>> | 88% | 52,779 psi | 88% | 2582 fps | 99.8% |
| ADI AR 2208 | <<locked>> | 94% | 53,635 psi | 89% | 2579 fps | 99.6% |
| ADI Benchmark 8208 | <<locked>> | 86% | 51,924 psi | 86% | 2536 fps | 100% |
| Alliant AR-Comp | <<locked>> | 86% | 52,127 psi | 87% | 2516 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 82% | 53,664 psi | 89% | 2635 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 90% | 51,837 psi | 86% | 2680 fps | 99.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 94% | 53,403 psi | 89% | 2602 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 82% | 53,737 psi | 89% | 2497 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 92% | 53,751 psi | 89% | 2615 fps | 99.7% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 49,342 psi | 82% | 2621 fps | 99.2% |
| Alliant Reloder-17 | <<locked>> | 98% | 53,359 psi | 89% | 2707 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 35,041 psi | 58% | 2375 fps | 97.3% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 52,199 psi | 87% | 2592 fps | 99.3% |
| Bofors RP3 | <<locked>> | 94% | 53,751 psi | 89% | 2615 fps | 100% |
| Bofors RP7 | <<locked>> | 98% | 54,317 psi | 90% | 2582 fps | 96.8% |
| Hodgdon Benchmark | <<locked>> | 86% | 54,157 psi | 90% | 2526 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 88% | 54,288 psi | 90% | 2612 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 84% | 52,634 psi | 87% | 2654 fps | 99.7% |
| Hodgdon H322 | <<locked>> | 82% | 52,779 psi | 88% | 2536 fps | 100% |
| Hodgdon H335 | <<locked>> | 82% | 53,345 psi | 89% | 2556 fps | 100% |
| Hodgdon H380 | <<locked>> | 92% | 51,401 psi | 85% | 2575 fps | 98.8% |
| Hodgdon H414ᴾ | <<locked>> | 100% | 53,867 psi | 89% | 2667 fps | 97.5% |
| Hodgdon H4895 | <<locked>> | 88% | 53,243 psi | 88% | 2592 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 45,440 psi | 75% | 2510 fps | 99.5% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 51,967 psi | 86% | 2618 fps | 100% |
| Hodgdon Superformance | <<locked>> | 98% | 51,198 psi | 85% | 2641 fps | 96.3% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,215 psi | 59% | 1549 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 54,346 psi | 90% | 2592 fps | 100% |
| IMR 3031 | <<locked>> | 88% | 52,794 psi | 88% | 2575 fps | 100% |
| IMR 4064 | <<locked>> | 92% | 53,345 psi | 89% | 2566 fps | 99.7% |
| IMR 4166 Enduron | <<locked>> | 90% | 53,766 psi | 89% | 2546 fps | 97.2% |
| IMR 4198 | <<locked>> | 82% | 53,838 psi | 89% | 2454 fps | 100% |
| IMR 4350ᴾ | <<locked>> | 100% | 50,720 psi | 84% | 2552 fps | 96.1% |
| IMR 4451 Enduron | <<locked>> | 96% | 52,968 psi | 88% | 2566 fps | 97% |
| IMR 4831ᴾ | <<locked>> | 100% | 47,761 psi | 79% | 2559 fps | 98.8% |
| IMR 4895 | <<locked>> | 90% | 52,069 psi | 87% | 2602 fps | 99.8% |
| IMR 8208 XBR | <<locked>> | 86% | 51,924 psi | 86% | 2536 fps | 100% |
| Lovex D073.5 | <<locked>> | 82% | 51,967 psi | 86% | 2526 fps | 100% |
| Lovex D073.6 | <<locked>> | 88% | 52,127 psi | 87% | 2562 fps | 100% |
| Lovex S060 | <<locked>> | 88% | 52,997 psi | 88% | 2520 fps | 99.8% |
| Lovex S062 | <<locked>> | 92% | 52,997 psi | 88% | 2566 fps | 100% |
| Lovex S065 | <<locked>> | 98% | 51,735 psi | 86% | 2556 fps | 98.2% |
| Lovex S070ᴾ | <<locked>> | 100% | 52,591 psi | 87% | 2589 fps | 97.3% |
| Norma 201 | <<locked>> | 88% | 51,750 psi | 86% | 2533 fps | 100% |
| Norma 202 | <<locked>> | 88% | 52,054 psi | 86% | 2539 fps | 100% |
| Norma 203B | <<locked>> | 92% | 52,910 psi | 88% | 2605 fps | 99.8% |
| Norma URPᴾ | <<locked>> | 100% | 50,082 psi | 83% | 2608 fps | 99% |
| Ramshot Big Game | <<locked>> | 92% | 53,563 psi | 89% | 2635 fps | 99.8% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 48,834 psi | 81% | 2598 fps | 97.3% |
| Ramshot TAC | <<locked>> | 86% | 52,388 psi | 87% | 2556 fps | 98.4% |
| Ramshot Wild Boar | <<locked>> | 86% | 51,590 psi | 86% | 2572 fps | 99.7% |
| Ramshot X-Terminator | <<locked>> | 84% | 52,924 psi | 88% | 2539 fps | 99.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,665 psi | 59% | 1588 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 51,619 psi | 86% | 2523 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 52,112 psi | 87% | 2562 fps | 97.6% |
| ReloadSwiss RS 52 | <<locked>> | 90% | 54,273 psi | 90% | 2680 fps | 99.8% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 53,287 psi | 89% | 2710 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 49,908 psi | 83% | 2635 fps | 98.8% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 50,734 psi | 84% | 2661 fps | 98.6% |
| Rottweil R 901 | <<locked>> | 86% | 52,968 psi | 88% | 2520 fps | 100% |
| Rottweil R 902 | <<locked>> | 90% | 52,199 psi | 87% | 2533 fps | 100% |
| Rottweil R 903 | <<locked>> | 96% | 53,229 psi | 88% | 2602 fps | 100% |
| Rottweil R 907 | <<locked>> | 98% | 54,317 psi | 90% | 2582 fps | 96.8% |
| Shooters World Long Rifle | <<locked>> | 98% | 51,735 psi | 86% | 2556 fps | 98.2% |
| Shooters World Match Rifle | <<locked>> | 88% | 52,127 psi | 87% | 2562 fps | 100% |
| Shooters World Precision | <<locked>> | 92% | 52,997 psi | 88% | 2566 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 52,591 psi | 87% | 2589 fps | 97.3% |
| SNPE Vectan SP 11 | <<locked>> | 94% | 51,793 psi | 86% | 2615 fps | 99.8% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 53,940 psi | 90% | 2579 fps | 99% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 51,314 psi | 85% | 2556 fps | 99.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 53,403 psi | 89% | 2480 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 94% | 53,287 psi | 89% | 2477 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 98% | 52,402 psi | 87% | 2516 fps | 97% |
| Somchem S321 | <<locked>> | 84% | 52,823 psi | 88% | 2569 fps | 100% |
| Somchem S335 | <<locked>> | 88% | 52,837 psi | 88% | 2480 fps | 100% |
| Somchem S341 | <<locked>> | 88% | 53,374 psi | 89% | 2572 fps | 99.8% |
| Somchem S355 | <<locked>> | 96% | 54,012 psi | 90% | 2605 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 44,570 psi | 74% | 2562 fps | 100% |
| Vihtavuori N130 | <<locked>> | 84% | 53,519 psi | 89% | 2448 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 53,519 psi | 89% | 2467 fps | 100% |
| Vihtavuori N135 | <<locked>> | 90% | 51,227 psi | 85% | 2497 fps | 100% |
| Vihtavuori N140 | <<locked>> | 90% | 52,649 psi | 87% | 2520 fps | 100% |
| Vihtavuori N150 | <<locked>> | 96% | 51,851 psi | 86% | 2539 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 52,446 psi | 87% | 2605 fps | 99.2% |
| Vihtavuori N530 | <<locked>> | 86% | 52,257 psi | 87% | 2536 fps | 100% |
| Vihtavuori N540 | <<locked>> | 92% | 53,838 psi | 89% | 2559 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 51,663 psi | 86% | 2612 fps | 99% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 37,478 psi | 62% | 2444 fps | 97.3% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 53,185 psi | 88% | 2589 fps | 100% |
| Winchester 748 | <<locked>> | 86% | 51,924 psi | 86% | 2582 fps | 100% |
| Winchester 760ᴾ | <<locked>> | 100% | 53,867 psi | 89% | 2667 fps | 97.5% |
| Winchester StaBALL Match | <<locked>> | 90% | 54,201 psi | 90% | 2612 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% | 44,773 psi | 74% | 2369 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 48,892 psi | 81% | 2470 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 37,434 psi | 62% | 2300 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 43,801 psi | 73% | 2431 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 48,530 psi | 81% | 2454 fps | 95.2% |
| Accurate 4064 | <<locked>> | 80% | 35,418 psi | 59% | 2293 fps | 99.9% |
| Accurate 4350 | <<locked>> | 88% | 33,315 psi | 55% | 2310 fps | 95.1% |
| ADI AR 2206H | <<locked>> | 80% | 41,046 psi | 68% | 2388 fps | 98.5% |
| ADI AR 2208 | <<locked>> | 80% | 35,056 psi | 58% | 2254 fps | 96.2% |
| ADI Benchmark 8208 | <<locked>> | 80% | 43,105 psi | 72% | 2398 fps | 99.5% |
| Alliant AR-Comp | <<locked>> | 80% | 42,859 psi | 71% | 2392 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 50,183 psi | 83% | 2582 fps | 99.9% |
| Alliant Power Pro 2000-MR | 37.1 gr | 80% | 37,130 psi | 62% | 2408 fps | 96.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 34,447 psi | 57% | 2277 fps | 97.8% |
| Alliant Reloder-10x | <<locked>> | 80% | 50,633 psi | 84% | 2454 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 36,898 psi | 61% | 2329 fps | 97% |
| Alliant Reloder-16 | <<locked>> | 88% | 34,301 psi | 57% | 2323 fps | 95.2% |
| Alliant Reloder-17 | 36.5 gr | 80% | 29,544 psi | 49% | 2231 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 96% | 31,067 psi | 52% | 2277 fps | 95.6% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 40,118 psi | 67% | 2392 fps | 97.3% |
| Bofors RP3 | <<locked>> | 80% | 33,707 psi | 56% | 2274 fps | 97.7% |
| Bofors RP7 | <<locked>> | 94% | 48,008 psi | 80% | 2487 fps | 95.4% |
| Hodgdon Benchmark | <<locked>> | 80% | 45,107 psi | 75% | 2392 fps | 99.9% |
| Hodgdon BL-C2 | <<locked>> | 80% | 41,539 psi | 69% | 2418 fps | 99.7% |
| Hodgdon CFE223 | <<locked>> | 80% | 45,730 psi | 76% | 2546 fps | 98.9% |
| Hodgdon H322 | <<locked>> | 80% | 49,356 psi | 82% | 2490 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 50,053 psi | 83% | 2510 fps | 100% |
| Hodgdon H380 | <<locked>> | 82% | 37,188 psi | 62% | 2326 fps | 95.7% |
| Hodgdon H414 | <<locked>> | 94% | 44,208 psi | 73% | 2513 fps | 95.3% |
| Hodgdon H4895 | <<locked>> | 80% | 41,408 psi | 69% | 2402 fps | 98.9% |
| Hodgdon Hybrid 100V | <<locked>> | 86% | 29,414 psi | 49% | 2182 fps | 95.2% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 37,362 psi | 62% | 2375 fps | 98.6% |
| Hodgdon Superformance | <<locked>> | 96% | 47,587 psi | 79% | 2582 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,020 psi | 43% | 1381 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 39,856 psi | 66% | 2359 fps | 98.6% |
| IMR 3031 | <<locked>> | 80% | 40,611 psi | 67% | 2398 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 36,767 psi | 61% | 2283 fps | 97% |
| IMR 4166 Enduron | <<locked>> | 84% | 44,483 psi | 74% | 2398 fps | 95.2% |
| IMR 4198 | <<locked>> | 80% | 50,734 psi | 84% | 2415 fps | 100% |
| IMR 4350 | <<locked>> | 98% | 47,572 psi | 79% | 2503 fps | 95.4% |
| IMR 4451 Enduron | <<locked>> | 90% | 44,106 psi | 73% | 2421 fps | 95% |
| IMR 4831 | <<locked>> | 90% | 34,592 psi | 57% | 2320 fps | 95.6% |
| IMR 4895 | <<locked>> | 80% | 37,768 psi | 63% | 2356 fps | 97.9% |
| IMR 8208 XBR | <<locked>> | 80% | 43,105 psi | 72% | 2398 fps | 99.5% |
| Lovex D073.5 | <<locked>> | 80% | 48,689 psi | 81% | 2480 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 39,856 psi | 66% | 2375 fps | 99.9% |
| Lovex S060 | <<locked>> | 80% | 41,669 psi | 69% | 2336 fps | 98.6% |
| Lovex S062 | <<locked>> | 80% | 36,622 psi | 61% | 2293 fps | 98.6% |
| Lovex S065 | <<locked>> | 88% | 38,392 psi | 64% | 2326 fps | 95% |
| Lovex S070 | <<locked>> | 94% | 43,671 psi | 73% | 2444 fps | 95.3% |
| Norma 201 | <<locked>> | 80% | 40,480 psi | 67% | 2352 fps | 99.3% |
| Norma 202 | <<locked>> | 80% | 40,625 psi | 67% | 2362 fps | 100% |
| Norma 203B | <<locked>> | 80% | 36,289 psi | 60% | 2320 fps | 97.4% |
| Norma URP | <<locked>> | 88% | 34,098 psi | 57% | 2313 fps | 95.1% |
| Ramshot Big Game | <<locked>> | 80% | 35,723 psi | 59% | 2329 fps | 97% |
| Ramshot Hunter | <<locked>> | 94% | 40,582 psi | 67% | 2451 fps | 95.2% |
| Ramshot TAC | <<locked>> | 80% | 42,888 psi | 71% | 2398 fps | 96.5% |
| Ramshot Wild Boar | <<locked>> | 80% | 42,279 psi | 70% | 2421 fps | 98.7% |
| Ramshot X-Terminator | <<locked>> | 80% | 46,717 psi | 78% | 2448 fps | 99.2% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,513 psi | 44% | 1417 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 48,356 psi | 80% | 2477 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 42,743 psi | 71% | 2408 fps | 95.5% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 38,435 psi | 64% | 2421 fps | 97.5% |
| ReloadSwiss RS 60 | 36.5 gr | 80% | 31,459 psi | 52% | 2297 fps | 98.5% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 35,520 psi | 59% | 2375 fps | 95.4% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 38,870 psi | 65% | 2441 fps | 95.4% |
| Rottweil R 901 | <<locked>> | 80% | 44,280 psi | 74% | 2392 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 38,479 psi | 64% | 2306 fps | 98.9% |
| Rottweil R 903 | <<locked>> | 80% | 31,633 psi | 53% | 2221 fps | 96.7% |
| Rottweil R 907 | <<locked>> | 94% | 48,008 psi | 80% | 2487 fps | 95.4% |
| Shooters World Long Rifle | <<locked>> | 88% | 38,392 psi | 64% | 2326 fps | 95% |
| Shooters World Match Rifle | <<locked>> | 80% | 39,856 psi | 66% | 2375 fps | 99.9% |
| Shooters World Precision | <<locked>> | 80% | 36,622 psi | 61% | 2293 fps | 98.6% |
| Shooters World SW4350 | <<locked>> | 94% | 43,671 psi | 73% | 2444 fps | 95.3% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 32,866 psi | 55% | 2270 fps | 96.1% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 41,220 psi | 68% | 2379 fps | 96.7% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 39,740 psi | 66% | 2365 fps | 98.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 41,771 psi | 69% | 2310 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 34,534 psi | 57% | 2192 fps | 99.9% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 45,716 psi | 76% | 2418 fps | 95.6% |
| Somchem S321 | <<locked>> | 80% | 46,499 psi | 77% | 2474 fps | 99.9% |
| Somchem S335 | <<locked>> | 80% | 41,510 psi | 69% | 2316 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 40,857 psi | 68% | 2375 fps | 98.3% |
| Somchem S355 | <<locked>> | 80% | 32,851 psi | 55% | 2234 fps | 96.8% |
| Somchem S365 | <<locked>> | 84% | 26,934 psi | 45% | 2169 fps | 95.6% |
| Vihtavuori N130 | <<locked>> | 80% | 47,297 psi | 79% | 2365 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 42,003 psi | 70% | 2306 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 37,492 psi | 62% | 2293 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 38,174 psi | 63% | 2300 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 31,009 psi | 52% | 2175 fps | 97.6% |
| Vihtavuori N160 | <<locked>> | 88% | 35,679 psi | 59% | 2316 fps | 95.6% |
| Vihtavuori N530 | <<locked>> | 80% | 43,149 psi | 72% | 2395 fps | 99.6% |
| Vihtavuori N540 | <<locked>> | 80% | 36,854 psi | 61% | 2293 fps | 99.8% |
| Vihtavuori N550 | <<locked>> | 88% | 34,867 psi | 58% | 2316 fps | 95.1% |
| Vihtavuori N555 | <<locked>> | 96% | 33,025 psi | 55% | 2346 fps | 95.7% |
| Winchester 6.5 StaBALL | <<locked>> | 82% | 29,617 psi | 49% | 2152 fps | 95.3% |
| Winchester 748 | <<locked>> | 80% | 42,511 psi | 71% | 2438 fps | 99.8% |
| Winchester 760 | <<locked>> | 94% | 44,208 psi | 73% | 2513 fps | 95.3% |
| Winchester StaBALL Match | <<locked>> | 80% | 38,841 psi | 65% | 2365 fps | 98.5% |
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 99 powders for 7 mm-08 Rem. loaded with the .284 | 160gr | Sierra SBT GameKing. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,710 fps; across all powders the maximum-charge window runs from 1,549 fps to 2,710 fps. Accurate 4350 gives the best case fill at 100 %, and 99 of the 99 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (415 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 160.0 gr projectile in 0.284" calls for a 1:11.5 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-16, Alliant Reloder-23 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, Alliant Reloder-17, ReloadSwiss RS 60 rank at the top here: for 7 mm-08 Rem. with the .284 | 160gr | Sierra SBT GameKing 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.