Load Specifications
Load data in caliber 7 mm-08 Rem. with .284 | 150gr | Nosler SP SolBase 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 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.
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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% | 52,127 psi | 87% | 2559 fps | 100% |
| Accurate 2460 | <<locked>> | 84% | 53,693 psi | 89% | 2628 fps | 100% |
| Accurate 2495 | <<locked>> | 92% | 52,881 psi | 88% | 2618 fps | 100% |
| Accurate 2520 | <<locked>> | 86% | 51,721 psi | 86% | 2638 fps | 100% |
| Accurate 4064 | <<locked>> | 94% | 52,373 psi | 87% | 2657 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 47,979 psi | 80% | 2664 fps | 98.3% |
| ADI AR 2206H | <<locked>> | 90% | 54,302 psi | 90% | 2690 fps | 99.7% |
| ADI AR 2208 | <<locked>> | 94% | 51,735 psi | 86% | 2635 fps | 99.1% |
| ADI Benchmark 8208 | <<locked>> | 88% | 53,534 psi | 89% | 2648 fps | 100% |
| Alliant AR-Comp | <<locked>> | 88% | 53,287 psi | 89% | 2625 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 82% | 51,474 psi | 86% | 2694 fps | 99.8% |
| Alliant Power Pro 2000-MR | <<locked>> | 92% | 53,388 psi | 89% | 2792 fps | 99.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 54,317 psi | 90% | 2703 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 82% | 51,880 psi | 86% | 2566 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 92% | 52,098 psi | 87% | 2680 fps | 99.3% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 47,340 psi | 79% | 2667 fps | 98.4% |
| Alliant Reloder-17 | <<locked>> | 98% | 51,285 psi | 85% | 2762 fps | 99.8% |
| Baschieri & Pellagri 106 | <<locked>> | 82% | 53,795 psi | 89% | 2546 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 90% | 53,809 psi | 89% | 2703 fps | 99.1% |
| Bofors RP3 | <<locked>> | 94% | 51,358 psi | 85% | 2671 fps | 99.9% |
| Hodgdon Benchmark | <<locked>> | 86% | 52,228 psi | 87% | 2589 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 88% | 52,127 psi | 87% | 2674 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 86% | 53,824 psi | 89% | 2762 fps | 99.5% |
| Hodgdon H322 | <<locked>> | 84% | 54,172 psi | 90% | 2644 fps | 100% |
| Hodgdon H335 | <<locked>> | 82% | 51,532 psi | 86% | 2621 fps | 100% |
| Hodgdon H380 | <<locked>> | 94% | 52,982 psi | 88% | 2684 fps | 98.5% |
| Hodgdon H414ᴾ | <<locked>> | 100% | 51,677 psi | 86% | 2717 fps | 96.4% |
| Hodgdon H4895 | <<locked>> | 88% | 51,401 psi | 85% | 2654 fps | 99.7% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 43,729 psi | 73% | 2562 fps | 98.8% |
| Hodgdon LEVERevolution | <<locked>> | 92% | 53,432 psi | 89% | 2730 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,911 psi | 58% | 1604 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 52,475 psi | 87% | 2654 fps | 99.8% |
| IMR 3031 | <<locked>> | 90% | 53,896 psi | 90% | 2684 fps | 100% |
| IMR 4064 | <<locked>> | 92% | 51,488 psi | 86% | 2625 fps | 99.2% |
| IMR 4166 Enduron | <<locked>> | 90% | 52,054 psi | 86% | 2602 fps | 96.2% |
| IMR 4198 | <<locked>> | 82% | 52,228 psi | 87% | 2526 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 98% | 54,331 psi | 90% | 2667 fps | 96.6% |
| IMR 4831ᴾ | <<locked>> | 100% | 45,788 psi | 76% | 2612 fps | 97.9% |
| IMR 4895 | <<locked>> | 92% | 53,374 psi | 89% | 2710 fps | 99.7% |
| IMR 8208 XBR | <<locked>> | 88% | 53,534 psi | 89% | 2648 fps | 100% |
| Lovex D073.5 | <<locked>> | 84% | 53,417 psi | 89% | 2635 fps | 100% |
| Lovex D073.6 | <<locked>> | 90% | 53,403 psi | 89% | 2671 fps | 100% |
| Lovex S060 | <<locked>> | 90% | 54,375 psi | 90% | 2625 fps | 99.7% |
| Lovex S062 | <<locked>> | 94% | 54,070 psi | 90% | 2667 fps | 100% |
| Lovex S065ᴾ | <<locked>> | 100% | 52,939 psi | 88% | 2657 fps | 97.8% |
| Lovex S070ᴾ | <<locked>> | 100% | 50,343 psi | 84% | 2635 fps | 96.2% |
| Norma 201 | <<locked>> | 90% | 52,939 psi | 88% | 2638 fps | 100% |
| Norma 202 | <<locked>> | 90% | 53,229 psi | 88% | 2644 fps | 100% |
| Norma 203B | <<locked>> | 94% | 54,215 psi | 90% | 2713 fps | 99.7% |
| Norma URPᴾ | <<locked>> | 100% | 47,718 psi | 79% | 2657 fps | 98.1% |
| Ramshot Big Game | <<locked>> | 92% | 51,198 psi | 85% | 2687 fps | 99.4% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 46,949 psi | 78% | 2644 fps | 96.2% |
| Ramshot TAC | <<locked>> | 88% | 53,737 psi | 89% | 2657 fps | 98.1% |
| Ramshot Wild Boar | <<locked>> | 88% | 53,214 psi | 88% | 2680 fps | 99.6% |
| Ramshot X-Terminator | <<locked>> | 84% | 51,184 psi | 85% | 2598 fps | 99.3% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,302 psi | 59% | 1644 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 84% | 53,287 psi | 89% | 2635 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 94% | 53,345 psi | 89% | 2661 fps | 97.2% |
| ReloadSwiss RS 52 | <<locked>> | 90% | 51,750 psi | 86% | 2736 fps | 99.3% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 51,314 psi | 85% | 2769 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 47,616 psi | 79% | 2684 fps | 97.9% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 48,704 psi | 81% | 2707 fps | 97.5% |
| Rottweil R 901 | <<locked>> | 88% | 54,302 psi | 90% | 2628 fps | 100% |
| Rottweil R 902 | <<locked>> | 92% | 53,316 psi | 89% | 2635 fps | 100% |
| Rottweil R 903 | <<locked>> | 98% | 54,375 psi | 90% | 2707 fps | 99.9% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 52,939 psi | 88% | 2657 fps | 97.8% |
| Shooters World Match Rifle | <<locked>> | 90% | 53,403 psi | 89% | 2671 fps | 100% |
| Shooters World Precision | <<locked>> | 94% | 54,070 psi | 90% | 2667 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 50,343 psi | 84% | 2635 fps | 96.2% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 52,823 psi | 88% | 2602 fps | 99.9% |
| SNPE Vectan SP 11 | <<locked>> | 96% | 52,837 psi | 88% | 2720 fps | 99.6% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 52,808 psi | 88% | 2585 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 51,837 psi | 86% | 2635 fps | 98.2% |
| SNPE Vectan SP 9 | <<locked>> | 90% | 52,678 psi | 88% | 2664 fps | 99.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 51,866 psi | 86% | 2546 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 94% | 51,488 psi | 86% | 2543 fps | 100% |
| SNPE Vectan Tubal 7000ᴾ | <<locked>> | 100% | 53,679 psi | 89% | 2615 fps | 96.5% |
| Somchem S321 | <<locked>> | 84% | 51,300 psi | 85% | 2635 fps | 100% |
| Somchem S335 | <<locked>> | 90% | 54,070 psi | 90% | 2585 fps | 100% |
| Somchem S341 | <<locked>> | 88% | 51,619 psi | 86% | 2635 fps | 99.4% |
| Somchem S355 | <<locked>> | 96% | 51,822 psi | 86% | 2661 fps | 99.7% |
| Somchem S365ᴾ | <<locked>> | 100% | 42,757 psi | 71% | 2615 fps | 99.6% |
| Vihtavuori N130 | <<locked>> | 84% | 51,692 psi | 86% | 2516 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 51,909 psi | 86% | 2533 fps | 100% |
| Vihtavuori N135 | <<locked>> | 92% | 52,750 psi | 88% | 2608 fps | 100% |
| Vihtavuori N140 | <<locked>> | 92% | 53,722 psi | 89% | 2621 fps | 100% |
| Vihtavuori N150 | <<locked>> | 98% | 53,069 psi | 88% | 2641 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 50,386 psi | 84% | 2657 fps | 98.4% |
| Vihtavuori N530 | <<locked>> | 88% | 53,940 psi | 90% | 2648 fps | 100% |
| Vihtavuori N540 | <<locked>> | 92% | 51,808 psi | 86% | 2618 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 49,516 psi | 82% | 2664 fps | 98.2% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 35,520 psi | 59% | 2480 fps | 95.9% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 51,532 psi | 86% | 2648 fps | 99.8% |
| Winchester 748 | <<locked>> | 88% | 53,214 psi | 88% | 2690 fps | 100% |
| Winchester 760ᴾ | <<locked>> | 100% | 51,677 psi | 86% | 2717 fps | 96.4% |
| Winchester StaBALL Match | <<locked>> | 90% | 52,025 psi | 86% | 2667 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% | 43,134 psi | 72% | 2431 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 46,876 psi | 78% | 2530 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 35,723 psi | 59% | 2352 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 42,177 psi | 70% | 2490 fps | 99.9% |
| Accurate 4064 | <<locked>> | 80% | 33,779 psi | 56% | 2339 fps | 99.4% |
| Accurate 4350 | <<locked>> | 92% | 36,477 psi | 61% | 2454 fps | 95.4% |
| ADI AR 2206H | <<locked>> | 80% | 39,769 psi | 66% | 2444 fps | 97.6% |
| ADI AR 2208 | <<locked>> | 82% | 36,027 psi | 60% | 2352 fps | 95.8% |
| ADI Benchmark 8208 | <<locked>> | 80% | 41,785 psi | 69% | 2457 fps | 99% |
| Alliant AR-Comp | <<locked>> | 80% | 40,988 psi | 68% | 2454 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 48,457 psi | 81% | 2644 fps | 99.5% |
| Alliant Power Pro 2000-MR | 37.7 gr | 80% | 35,839 psi | 60% | 2451 fps | 95.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 33,011 psi | 55% | 2323 fps | 96.7% |
| Alliant Reloder-10x | <<locked>> | 80% | 48,936 psi | 81% | 2523 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 35,636 psi | 59% | 2379 fps | 95.9% |
| Alliant Reloder-16 | <<locked>> | 92% | 37,260 psi | 62% | 2464 fps | 95.5% |
| Alliant Reloder-17 | <<locked>> | 84% | 32,343 psi | 54% | 2379 fps | 95.5% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 50,285 psi | 84% | 2500 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 38,377 psi | 64% | 2438 fps | 96.1% |
| Bofors RP3 | <<locked>> | 80% | 32,140 psi | 53% | 2316 fps | 96.5% |
| Hodgdon Benchmark | <<locked>> | 80% | 43,584 psi | 72% | 2451 fps | 99.5% |
| Hodgdon BL-C2 | <<locked>> | 80% | 40,001 psi | 66% | 2474 fps | 99.2% |
| Hodgdon CFE223 | <<locked>> | 80% | 43,584 psi | 72% | 2595 fps | 98.1% |
| Hodgdon H322 | <<locked>> | 80% | 47,442 psi | 79% | 2552 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 48,356 psi | 80% | 2575 fps | 100% |
| Hodgdon H380 | <<locked>> | 84% | 37,971 psi | 63% | 2421 fps | 95.2% |
| Hodgdon H414 | <<locked>> | 98% | 48,080 psi | 80% | 2661 fps | 95.6% |
| Hodgdon H4895 | <<locked>> | 80% | 40,045 psi | 67% | 2457 fps | 98.2% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 32,053 psi | 53% | 2320 fps | 95.5% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 35,708 psi | 59% | 2418 fps | 97.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,889 psi | 43% | 1430 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 38,319 psi | 64% | 2408 fps | 97.7% |
| IMR 3031 | <<locked>> | 80% | 39,131 psi | 65% | 2461 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 35,360 psi | 59% | 2329 fps | 95.9% |
| IMR 4166 Enduron | <<locked>> | 88% | 48,892 psi | 81% | 2552 fps | 95.5% |
| IMR 4198 | <<locked>> | 80% | 49,269 psi | 82% | 2484 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 94% | 48,283 psi | 80% | 2572 fps | 95.3% |
| IMR 4831 | <<locked>> | 92% | 35,331 psi | 59% | 2411 fps | 95% |
| IMR 4895 | <<locked>> | 80% | 36,434 psi | 61% | 2408 fps | 96.9% |
| IMR 8208 XBR | <<locked>> | 80% | 41,785 psi | 69% | 2457 fps | 99% |
| Lovex D073.5 | <<locked>> | 80% | 46,601 psi | 77% | 2533 fps | 99.9% |
| Lovex D073.6 | <<locked>> | 80% | 38,029 psi | 63% | 2425 fps | 99.5% |
| Lovex S060 | <<locked>> | 80% | 40,248 psi | 67% | 2388 fps | 97.8% |
| Lovex S062 | <<locked>> | 80% | 35,201 psi | 58% | 2339 fps | 97.8% |
| Lovex S065 | <<locked>> | 92% | 41,713 psi | 69% | 2467 fps | 95.3% |
| Lovex S070 | <<locked>> | 98% | 47,268 psi | 79% | 2585 fps | 95.5% |
| Norma 201 | <<locked>> | 80% | 38,928 psi | 65% | 2402 fps | 98.6% |
| Norma 202 | <<locked>> | 80% | 39,015 psi | 65% | 2415 fps | 99.8% |
| Norma 203B | <<locked>> | 80% | 34,998 psi | 58% | 2369 fps | 96.3% |
| Norma URP | <<locked>> | 92% | 36,999 psi | 61% | 2454 fps | 95.3% |
| Ramshot Big Game | <<locked>> | 80% | 34,389 psi | 57% | 2375 fps | 95.8% |
| Ramshot Hunter | <<locked>> | 98% | 44,092 psi | 73% | 2595 fps | 95.4% |
| Ramshot TAC | <<locked>> | 80% | 41,466 psi | 69% | 2451 fps | 95.4% |
| Ramshot Wild Boar | <<locked>> | 80% | 40,756 psi | 68% | 2474 fps | 97.8% |
| Ramshot X-Terminator | <<locked>> | 80% | 44,918 psi | 75% | 2497 fps | 98.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,049 psi | 43% | 1463 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 46,905 psi | 78% | 2539 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 44,150 psi | 73% | 2510 fps | 95.1% |
| ReloadSwiss RS 52 | 36.5 gr | 80% | 36,637 psi | 61% | 2464 fps | 96.2% |
| ReloadSwiss RS 60 | 37.1 gr | 80% | 30,371 psi | 50% | 2336 fps | 97.3% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 38,841 psi | 65% | 2520 fps | 95.7% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 42,554 psi | 71% | 2589 fps | 95.8% |
| Rottweil R 901 | <<locked>> | 80% | 42,772 psi | 71% | 2451 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 37,072 psi | 62% | 2359 fps | 98.2% |
| Rottweil R 903 | <<locked>> | 80% | 30,429 psi | 51% | 2267 fps | 95.5% |
| Shooters World Long Rifle | <<locked>> | 92% | 41,713 psi | 69% | 2467 fps | 95.3% |
| Shooters World Match Rifle | <<locked>> | 80% | 38,029 psi | 63% | 2425 fps | 99.5% |
| Shooters World Precision | <<locked>> | 80% | 35,201 psi | 58% | 2339 fps | 97.8% |
| Shooters World SW4350 | <<locked>> | 98% | 47,268 psi | 79% | 2585 fps | 95.5% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 49,501 psi | 82% | 2552 fps | 99.7% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 33,547 psi | 56% | 2359 fps | 95.6% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 49,371 psi | 82% | 2536 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 39,450 psi | 66% | 2421 fps | 95.5% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 38,130 psi | 63% | 2411 fps | 97.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 40,422 psi | 67% | 2365 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 33,257 psi | 55% | 2241 fps | 99.6% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 46,833 psi | 78% | 2513 fps | 95.1% |
| Somchem S321 | <<locked>> | 80% | 44,556 psi | 74% | 2526 fps | 99.5% |
| Somchem S335 | <<locked>> | 80% | 40,016 psi | 66% | 2372 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 39,102 psi | 65% | 2421 fps | 97.4% |
| Somchem S355 | <<locked>> | 80% | 31,502 psi | 52% | 2277 fps | 95.6% |
| Somchem S365 | <<locked>> | 88% | 29,182 psi | 48% | 2303 fps | 95.9% |
| Vihtavuori N130 | <<locked>> | 80% | 45,759 psi | 76% | 2431 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 40,567 psi | 67% | 2365 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 35,926 psi | 60% | 2349 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 36,927 psi | 61% | 2356 fps | 99.8% |
| Vihtavuori N150 | <<locked>> | 80% | 29,878 psi | 50% | 2221 fps | 96.6% |
| Vihtavuori N160 | <<locked>> | 90% | 36,564 psi | 61% | 2408 fps | 95% |
| Vihtavuori N530 | <<locked>> | 80% | 41,495 psi | 69% | 2448 fps | 99% |
| Vihtavuori N540 | <<locked>> | 80% | 35,346 psi | 59% | 2343 fps | 99.3% |
| Vihtavuori N550 | <<locked>> | 92% | 37,971 psi | 63% | 2457 fps | 95.4% |
| Vihtavuori N555 | <<locked>> | 98% | 33,504 psi | 56% | 2431 fps | 95% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 32,489 psi | 54% | 2290 fps | 95.7% |
| Winchester 748 | <<locked>> | 80% | 40,640 psi | 68% | 2490 fps | 99.4% |
| Winchester 760 | <<locked>> | 98% | 48,414 psi | 80% | 2664 fps | 95.6% |
| Winchester StaBALL Match | <<locked>> | 80% | 37,391 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 96 powders for 7 mm-08 Rem. loaded with the .284 | 150gr | Nosler SP SolBase. 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 96 of the 96 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 | Nosler SP SolBase 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.