
Load Specifications
Load data in caliber 7 mm-08 Rem. with .284 | 150gr | Sierra 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 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>> | 86% | 52,112 psi | 87% | 2559 fps | 100% |
| Accurate 2460 | <<locked>> | 84% | 53,664 psi | 89% | 2628 fps | 100% |
| Accurate 2495 | <<locked>> | 92% | 52,794 psi | 88% | 2618 fps | 100% |
| Accurate 2520 | <<locked>> | 86% | 51,692 psi | 86% | 2638 fps | 100% |
| Accurate 4064 | <<locked>> | 94% | 52,736 psi | 88% | 2661 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 47,935 psi | 80% | 2664 fps | 98.3% |
| ADI AR 2206H | <<locked>> | 90% | 54,201 psi | 90% | 2690 fps | 99.7% |
| ADI AR 2208 | <<locked>> | 94% | 52,054 psi | 86% | 2641 fps | 99.1% |
| ADI Benchmark 8208 | <<locked>> | 88% | 53,432 psi | 89% | 2648 fps | 100% |
| Alliant AR-Comp | <<locked>> | 88% | 53,258 psi | 88% | 2628 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 82% | 51,764 psi | 86% | 2697 fps | 99.8% |
| Alliant Power Pro 2000-MR | <<locked>> | 92% | 53,359 psi | 89% | 2792 fps | 99.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 94% | 51,256 psi | 85% | 2661 fps | 99.8% |
| Alliant Reloder-10x | <<locked>> | 82% | 51,793 psi | 86% | 2562 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 92% | 52,025 psi | 86% | 2680 fps | 99.3% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 47,630 psi | 79% | 2674 fps | 98.4% |
| Alliant Reloder-17 | <<locked>> | 98% | 51,561 psi | 86% | 2766 fps | 99.8% |
| Baschieri & Pellagri 106 | <<locked>> | 82% | 53,722 psi | 89% | 2546 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 90% | 53,708 psi | 89% | 2703 fps | 99.1% |
| Bofors RP3 | <<locked>> | 94% | 51,314 psi | 85% | 2671 fps | 99.9% |
| Bofors RP7 | <<locked>> | 98% | 52,156 psi | 87% | 2631 fps | 95.6% |
| Hodgdon Benchmark | <<locked>> | 86% | 52,533 psi | 87% | 2592 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 88% | 52,460 psi | 87% | 2680 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 86% | 54,172 psi | 90% | 2766 fps | 99.5% |
| Hodgdon H322 | <<locked>> | 84% | 54,143 psi | 90% | 2644 fps | 100% |
| Hodgdon H335 | <<locked>> | 82% | 51,503 psi | 86% | 2621 fps | 100% |
| Hodgdon H380 | <<locked>> | 94% | 52,953 psi | 88% | 2684 fps | 98.5% |
| Hodgdon H414ᴾ | <<locked>> | 100% | 51,605 psi | 86% | 2717 fps | 96.4% |
| Hodgdon H4895 | <<locked>> | 88% | 51,314 psi | 85% | 2651 fps | 99.7% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 43,700 psi | 73% | 2562 fps | 98.9% |
| Hodgdon LEVERevolution | <<locked>> | 92% | 53,403 psi | 89% | 2730 fps | 100% |
| Hodgdon Superformanceᴾ | <<locked>> | 100% | 52,750 psi | 88% | 2746 fps | 95.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,896 psi | 58% | 1604 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 52,794 psi | 88% | 2657 fps | 99.8% |
| IMR 3031 | <<locked>> | 90% | 54,273 psi | 90% | 2690 fps | 100% |
| IMR 4064 | <<locked>> | 92% | 51,401 psi | 85% | 2625 fps | 99.2% |
| IMR 4166 Enduron | <<locked>> | 90% | 51,967 psi | 86% | 2602 fps | 96.2% |
| IMR 4198 | <<locked>> | 82% | 52,214 psi | 87% | 2526 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 98% | 54,230 psi | 90% | 2667 fps | 96.6% |
| IMR 4831ᴾ | <<locked>> | 100% | 45,716 psi | 76% | 2612 fps | 97.9% |
| IMR 4895 | <<locked>> | 92% | 53,345 psi | 89% | 2710 fps | 99.7% |
| IMR 8208 XBR | <<locked>> | 88% | 53,432 psi | 89% | 2648 fps | 100% |
| Lovex D073.5 | <<locked>> | 84% | 53,751 psi | 89% | 2638 fps | 100% |
| Lovex D073.6 | <<locked>> | 90% | 53,330 psi | 89% | 2671 fps | 100% |
| Lovex S060 | <<locked>> | 90% | 54,273 psi | 90% | 2621 fps | 99.7% |
| Lovex S062 | <<locked>> | 94% | 53,969 psi | 90% | 2667 fps | 100% |
| Lovex S065ᴾ | <<locked>> | 100% | 53,272 psi | 89% | 2661 fps | 97.9% |
| Lovex S070ᴾ | <<locked>> | 100% | 50,314 psi | 84% | 2635 fps | 96.2% |
| Norma 201 | <<locked>> | 90% | 52,866 psi | 88% | 2638 fps | 100% |
| Norma 202 | <<locked>> | 90% | 53,577 psi | 89% | 2648 fps | 100% |
| Norma 203B | <<locked>> | 92% | 51,198 psi | 85% | 2667 fps | 99.5% |
| Norma URPᴾ | <<locked>> | 100% | 47,688 psi | 79% | 2657 fps | 98.1% |
| Ramshot Big Game | <<locked>> | 92% | 51,126 psi | 85% | 2687 fps | 99.4% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 47,239 psi | 78% | 2651 fps | 96.2% |
| Ramshot TAC | <<locked>> | 88% | 54,041 psi | 90% | 2664 fps | 98.1% |
| Ramshot Wild Boar | <<locked>> | 88% | 53,156 psi | 88% | 2680 fps | 99.6% |
| Ramshot X-Terminator | <<locked>> | 84% | 51,430 psi | 85% | 2605 fps | 99.4% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,273 psi | 59% | 1644 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 84% | 53,258 psi | 88% | 2635 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 94% | 53,316 psi | 89% | 2661 fps | 97.2% |
| ReloadSwiss RS 52 | <<locked>> | 90% | 51,692 psi | 86% | 2736 fps | 99.3% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 51,213 psi | 85% | 2769 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 47,587 psi | 79% | 2684 fps | 97.9% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 48,660 psi | 81% | 2707 fps | 97.5% |
| Rottweil R 901 | <<locked>> | 88% | 54,273 psi | 90% | 2628 fps | 100% |
| Rottweil R 902 | <<locked>> | 92% | 53,287 psi | 89% | 2635 fps | 100% |
| Rottweil R 903 | <<locked>> | 96% | 51,184 psi | 85% | 2661 fps | 99.8% |
| Rottweil R 907 | <<locked>> | 98% | 52,156 psi | 87% | 2631 fps | 95.6% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 53,272 psi | 89% | 2661 fps | 97.9% |
| Shooters World Match Rifle | <<locked>> | 90% | 53,330 psi | 89% | 2671 fps | 100% |
| Shooters World Precision | <<locked>> | 94% | 53,969 psi | 90% | 2667 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 50,314 psi | 84% | 2635 fps | 96.2% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 52,765 psi | 88% | 2602 fps | 99.9% |
| SNPE Vectan SP 11 | <<locked>> | 96% | 52,765 psi | 88% | 2717 fps | 99.6% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 52,750 psi | 88% | 2585 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 52,098 psi | 87% | 2638 fps | 98.3% |
| SNPE Vectan SP 9 | <<locked>> | 90% | 52,576 psi | 87% | 2664 fps | 99.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 51,808 psi | 86% | 2546 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 94% | 51,387 psi | 85% | 2543 fps | 100% |
| SNPE Vectan Tubal 7000ᴾ | <<locked>> | 100% | 53,664 psi | 89% | 2615 fps | 96.5% |
| Somchem S321 | <<locked>> | 84% | 51,227 psi | 85% | 2635 fps | 100% |
| Somchem S335 | <<locked>> | 90% | 53,969 psi | 90% | 2585 fps | 100% |
| Somchem S341 | <<locked>> | 88% | 51,532 psi | 86% | 2635 fps | 99.4% |
| Somchem S355 | <<locked>> | 96% | 51,721 psi | 86% | 2661 fps | 99.7% |
| Somchem S365ᴾ | <<locked>> | 100% | 42,685 psi | 71% | 2612 fps | 99.6% |
| Vihtavuori N130 | <<locked>> | 84% | 51,677 psi | 86% | 2516 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 51,851 psi | 86% | 2533 fps | 100% |
| Vihtavuori N135 | <<locked>> | 92% | 52,692 psi | 88% | 2608 fps | 100% |
| Vihtavuori N140 | <<locked>> | 92% | 53,693 psi | 89% | 2621 fps | 100% |
| Vihtavuori N150 | <<locked>> | 98% | 53,417 psi | 89% | 2648 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 50,328 psi | 84% | 2657 fps | 98.4% |
| Vihtavuori N530 | <<locked>> | 88% | 53,838 psi | 89% | 2648 fps | 100% |
| Vihtavuori N540 | <<locked>> | 92% | 52,127 psi | 87% | 2625 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 49,487 psi | 82% | 2664 fps | 98.2% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 35,737 psi | 59% | 2487 fps | 95.9% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 51,488 psi | 86% | 2648 fps | 99.8% |
| Winchester 748 | <<locked>> | 88% | 53,142 psi | 88% | 2690 fps | 100% |
| Winchester 760ᴾ | <<locked>> | 100% | 51,605 psi | 86% | 2717 fps | 96.4% |
| Winchester StaBALL Match | <<locked>> | 90% | 52,286 psi | 87% | 2674 fps | 99.8% |
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% | 43,062 psi | 72% | 2428 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 46,847 psi | 78% | 2530 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 35,737 psi | 59% | 2352 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 42,119 psi | 70% | 2487 fps | 99.9% |
| Accurate 4064 | <<locked>> | 80% | 33,750 psi | 56% | 2339 fps | 99.4% |
| Accurate 4350 | <<locked>> | 92% | 36,419 psi | 61% | 2454 fps | 95.4% |
| ADI AR 2206H | <<locked>> | 80% | 39,755 psi | 66% | 2444 fps | 97.6% |
| ADI AR 2208 | <<locked>> | 82% | 35,969 psi | 60% | 2349 fps | 95.8% |
| ADI Benchmark 8208 | <<locked>> | 80% | 41,742 psi | 69% | 2457 fps | 99% |
| Alliant AR-Comp | <<locked>> | 80% | 40,915 psi | 68% | 2454 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 48,443 psi | 80% | 2644 fps | 99.5% |
| Alliant Power Pro 2000-MR | 37.7 gr | 80% | 35,766 psi | 59% | 2451 fps | 95.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 32,953 psi | 55% | 2320 fps | 96.7% |
| Alliant Reloder-10x | <<locked>> | 80% | 48,849 psi | 81% | 2523 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 35,592 psi | 59% | 2379 fps | 95.9% |
| Alliant Reloder-16 | <<locked>> | 92% | 37,246 psi | 62% | 2467 fps | 95.5% |
| Alliant Reloder-17 | <<locked>> | 84% | 32,532 psi | 54% | 2382 fps | 95.6% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 50,589 psi | 84% | 2503 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 38,609 psi | 64% | 2441 fps | 96.2% |
| Bofors RP3 | <<locked>> | 80% | 32,358 psi | 54% | 2320 fps | 96.6% |
| Bofors RP7 | <<locked>> | 96% | 49,255 psi | 82% | 2589 fps | 95% |
| Hodgdon Benchmark | <<locked>> | 80% | 43,569 psi | 72% | 2451 fps | 99.5% |
| Hodgdon BL-C2 | <<locked>> | 80% | 39,958 psi | 66% | 2474 fps | 99.2% |
| Hodgdon CFE223 | <<locked>> | 80% | 43,859 psi | 73% | 2598 fps | 98.1% |
| Hodgdon H322 | <<locked>> | 80% | 47,427 psi | 79% | 2552 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 48,283 psi | 80% | 2575 fps | 100% |
| Hodgdon H380 | <<locked>> | 84% | 38,232 psi | 64% | 2428 fps | 95.3% |
| Hodgdon H414 | <<locked>> | 98% | 48,385 psi | 80% | 2664 fps | 95.6% |
| Hodgdon H4895 | <<locked>> | 80% | 40,030 psi | 67% | 2457 fps | 98.2% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 31,981 psi | 53% | 2316 fps | 95.5% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 35,911 psi | 60% | 2421 fps | 97.7% |
| Hodgdon Superformance | <<locked>> | 98% | 49,400 psi | 82% | 2690 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,860 psi | 43% | 1430 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 38,566 psi | 64% | 2411 fps | 97.8% |
| IMR 3031 | <<locked>> | 80% | 39,117 psi | 65% | 2461 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 35,317 psi | 59% | 2329 fps | 95.9% |
| IMR 4166 Enduron | <<locked>> | 88% | 48,805 psi | 81% | 2552 fps | 95.5% |
| IMR 4198 | <<locked>> | 80% | 49,197 psi | 82% | 2484 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 94% | 48,196 psi | 80% | 2572 fps | 95.3% |
| IMR 4831 | <<locked>> | 92% | 35,288 psi | 59% | 2411 fps | 95.1% |
| IMR 4895 | <<locked>> | 80% | 36,419 psi | 61% | 2408 fps | 96.9% |
| IMR 8208 XBR | <<locked>> | 80% | 41,742 psi | 69% | 2457 fps | 99% |
| Lovex D073.5 | <<locked>> | 80% | 46,920 psi | 78% | 2539 fps | 99.9% |
| Lovex D073.6 | <<locked>> | 80% | 38,319 psi | 64% | 2428 fps | 99.5% |
| Lovex S060 | <<locked>> | 80% | 40,219 psi | 67% | 2388 fps | 97.8% |
| Lovex S062 | <<locked>> | 80% | 35,128 psi | 58% | 2339 fps | 97.7% |
| Lovex S065 | <<locked>> | 92% | 41,655 psi | 69% | 2467 fps | 95.3% |
| Lovex S070 | <<locked>> | 98% | 47,514 psi | 79% | 2589 fps | 95.6% |
| Norma 201 | <<locked>> | 80% | 38,914 psi | 65% | 2402 fps | 98.6% |
| Norma 202 | <<locked>> | 80% | 39,001 psi | 65% | 2415 fps | 99.8% |
| Norma 203B | <<locked>> | 80% | 34,983 psi | 58% | 2369 fps | 96.4% |
| Norma URP | <<locked>> | 92% | 36,985 psi | 61% | 2454 fps | 95.4% |
| Ramshot Big Game | <<locked>> | 80% | 34,374 psi | 57% | 2375 fps | 95.8% |
| Ramshot Hunter | <<locked>> | 98% | 44,367 psi | 74% | 2602 fps | 95.5% |
| Ramshot TAC | <<locked>> | 80% | 41,437 psi | 69% | 2451 fps | 95.4% |
| Ramshot Wild Boar | <<locked>> | 80% | 40,683 psi | 68% | 2474 fps | 97.8% |
| Ramshot X-Terminator | <<locked>> | 80% | 45,208 psi | 75% | 2503 fps | 98.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,310 psi | 44% | 1470 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 46,847 psi | 78% | 2539 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 44,121 psi | 73% | 2510 fps | 95.1% |
| ReloadSwiss RS 52 | 36.5 gr | 80% | 36,622 psi | 61% | 2464 fps | 96.2% |
| ReloadSwiss RS 60 | 37.1 gr | 80% | 30,327 psi | 50% | 2336 fps | 97.3% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 39,044 psi | 65% | 2526 fps | 95.8% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 42,496 psi | 71% | 2589 fps | 95.8% |
| Rottweil R 901 | <<locked>> | 80% | 42,728 psi | 71% | 2451 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 37,028 psi | 62% | 2359 fps | 98.2% |
| Rottweil R 903 | <<locked>> | 80% | 30,414 psi | 51% | 2267 fps | 95.5% |
| Rottweil R 907 | <<locked>> | 96% | 49,255 psi | 82% | 2589 fps | 95% |
| Shooters World Long Rifle | <<locked>> | 92% | 41,655 psi | 69% | 2467 fps | 95.3% |
| Shooters World Match Rifle | <<locked>> | 80% | 38,319 psi | 64% | 2428 fps | 99.5% |
| Shooters World Precision | <<locked>> | 80% | 35,128 psi | 58% | 2339 fps | 97.7% |
| Shooters World SW4350 | <<locked>> | 98% | 47,514 psi | 79% | 2589 fps | 95.6% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 49,487 psi | 82% | 2556 fps | 99.7% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 33,533 psi | 56% | 2362 fps | 95.6% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 49,719 psi | 83% | 2543 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 39,682 psi | 66% | 2428 fps | 95.6% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 38,087 psi | 63% | 2411 fps | 97.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 40,654 psi | 68% | 2372 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 33,460 psi | 56% | 2247 fps | 99.7% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 46,789 psi | 78% | 2513 fps | 95.1% |
| Somchem S321 | <<locked>> | 80% | 44,831 psi | 74% | 2533 fps | 99.6% |
| Somchem S335 | <<locked>> | 80% | 40,001 psi | 66% | 2372 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 39,320 psi | 65% | 2428 fps | 97.4% |
| Somchem S355 | <<locked>> | 80% | 31,488 psi | 52% | 2277 fps | 95.6% |
| Somchem S365 | <<locked>> | 88% | 29,153 psi | 48% | 2303 fps | 95.9% |
| Vihtavuori N130 | <<locked>> | 80% | 46,064 psi | 77% | 2438 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 40,843 psi | 68% | 2372 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 36,187 psi | 60% | 2352 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 36,883 psi | 61% | 2356 fps | 99.8% |
| Vihtavuori N150 | <<locked>> | 80% | 29,834 psi | 50% | 2221 fps | 96.5% |
| Vihtavuori N160 | <<locked>> | 90% | 36,535 psi | 61% | 2408 fps | 95% |
| Vihtavuori N530 | <<locked>> | 80% | 41,742 psi | 69% | 2454 fps | 99.1% |
| Vihtavuori N540 | <<locked>> | 80% | 35,331 psi | 59% | 2343 fps | 99.4% |
| Vihtavuori N550 | <<locked>> | 92% | 38,174 psi | 63% | 2464 fps | 95.5% |
| Vihtavuori N555 | <<locked>> | 98% | 33,475 psi | 56% | 2431 fps | 95% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 32,460 psi | 54% | 2290 fps | 95.7% |
| Winchester 748 | <<locked>> | 80% | 40,625 psi | 67% | 2490 fps | 99.4% |
| Winchester 760 | <<locked>> | 98% | 48,385 psi | 80% | 2664 fps | 95.6% |
| Winchester StaBALL Match | <<locked>> | 80% | 37,347 psi | 62% | 2415 fps | 97.6% |
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 | 150gr | Sierra GameKing. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,792 fps; across all powders the maximum-charge window runs from 1,604 fps to 2,792 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 150.0 gr projectile in 0.284" calls for a 1:12.0 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-16, Hodgdon H414 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 7 mm-08 Rem. with the .284 | 150gr | Sierra 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.