Load Specifications
Load data in caliber 7 x 64 Brenneke with .284 | 168gr | Nosler AccuBond Long Range bullet and 98 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Alliant Reloder-16 and Hodgdon Superformance.
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 2495 | <<locked>> | 84% | 52,040 psi | 86% | 2497 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 53,838 psi | 89% | 2552 fps | 98.2% |
| Accurate 3100ᴾ | <<locked>> | 100% | 46,021 psi | 76% | 2526 fps | 98.4% |
| Accurate 4064 | <<locked>> | 86% | 52,315 psi | 87% | 2546 fps | 100% |
| Accurate 4350 | <<locked>> | 94% | 52,156 psi | 87% | 2635 fps | 99.9% |
| ADI AR 2206H | <<locked>> | 82% | 51,953 psi | 86% | 2566 fps | 100% |
| ADI AR 2208 | <<locked>> | 88% | 53,258 psi | 88% | 2575 fps | 100% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 53,417 psi | 89% | 2664 fps | 97.4% |
| ADI Benchmark 8208 | <<locked>> | 82% | 54,143 psi | 90% | 2566 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 51,547 psi | 86% | 2680 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 53,272 psi | 89% | 2592 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 53,635 psi | 89% | 2612 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 96% | 53,055 psi | 88% | 2684 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 92% | 54,056 psi | 90% | 2710 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 52,475 psi | 87% | 2654 fps | 97.4% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 45,992 psi | 76% | 2595 fps | 96.1% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 43,453 psi | 72% | 2552 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 38,174 psi | 63% | 2464 fps | 97.2% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 49,139 psi | 82% | 2720 fps | 99.8% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 51,721 psi | 86% | 2585 fps | 99.9% |
| Bofors RP3 | <<locked>> | 88% | 53,838 psi | 89% | 2608 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 45,992 psi | 76% | 2595 fps | 96.1% |
| Bofors RP7 | <<locked>> | 92% | 53,766 psi | 89% | 2589 fps | 98.4% |
| Hodgdon BL-C2 | <<locked>> | 82% | 53,679 psi | 89% | 2595 fps | 100% |
| Hodgdon H380 | <<locked>> | 86% | 51,242 psi | 85% | 2575 fps | 99.7% |
| Hodgdon H414 | <<locked>> | 92% | 51,213 psi | 85% | 2631 fps | 98.6% |
| Hodgdon H4350 | <<locked>> | 90% | 51,459 psi | 85% | 2592 fps | 97.4% |
| Hodgdon H4895 | <<locked>> | 82% | 52,475 psi | 87% | 2575 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 53,127 psi | 88% | 2615 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 52,069 psi | 87% | 2608 fps | 100% |
| Hodgdon Superformance | <<locked>> | 92% | 50,995 psi | 85% | 2661 fps | 98.3% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,853 psi | 60% | 1581 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 53,621 psi | 89% | 2579 fps | 100% |
| IMR 3031 | <<locked>> | 82% | 52,750 psi | 88% | 2556 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 52,692 psi | 88% | 2559 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 52,344 psi | 87% | 2539 fps | 98.6% |
| IMR 4350 | <<locked>> | 96% | 54,157 psi | 90% | 2618 fps | 98.5% |
| IMR 4451 Enduron | <<locked>> | 90% | 52,214 psi | 87% | 2569 fps | 98.5% |
| IMR 4831 | <<locked>> | 96% | 52,721 psi | 88% | 2628 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 51,677 psi | 86% | 2592 fps | 100% |
| IMR 8208 XBR | <<locked>> | 82% | 54,143 psi | 90% | 2566 fps | 100% |
| Lovex D073.6 | <<locked>> | 82% | 51,909 psi | 86% | 2546 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 51,387 psi | 85% | 2500 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 52,736 psi | 88% | 2552 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 52,083 psi | 87% | 2566 fps | 99.4% |
| Lovex S070 | <<locked>> | 94% | 53,040 psi | 88% | 2602 fps | 98.9% |
| Lovex S071ᴾ | <<locked>> | 100% | 38,334 psi | 64% | 2392 fps | 96.7% |
| Norma 201 | <<locked>> | 84% | 54,099 psi | 90% | 2562 fps | 100% |
| Norma 202 | <<locked>> | 82% | 51,605 psi | 86% | 2520 fps | 100% |
| Norma 203B | <<locked>> | 86% | 52,866 psi | 88% | 2598 fps | 100% |
| Norma 204 | <<locked>> | 94% | 51,155 psi | 85% | 2612 fps | 96.9% |
| Norma MRPᴾ | <<locked>> | 100% | 48,689 psi | 81% | 2674 fps | 98.1% |
| Norma URP | <<locked>> | 96% | 54,317 psi | 90% | 2667 fps | 100% |
| Ramshot Big Game | <<locked>> | 86% | 53,548 psi | 89% | 2628 fps | 100% |
| Ramshot Hunter | <<locked>> | 96% | 53,055 psi | 88% | 2667 fps | 99.4% |
| Ramshot TAC | <<locked>> | 82% | 54,389 psi | 90% | 2592 fps | 99.7% |
| Ramshot Wild Boar | <<locked>> | 82% | 54,244 psi | 90% | 2605 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,651 psi | 61% | 1624 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 51,416 psi | 85% | 2559 fps | 98.9% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 54,331 psi | 90% | 2674 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 53,940 psi | 90% | 2710 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 51,517 psi | 86% | 2651 fps | 99.8% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 54,259 psi | 90% | 2730 fps | 99.9% |
| Rottweil R 902 | <<locked>> | 84% | 51,474 psi | 86% | 2520 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 54,056 psi | 90% | 2605 fps | 100% |
| Rottweil R 904 | <<locked>> | 98% | 51,982 psi | 86% | 2592 fps | 96% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 51,372 psi | 85% | 2638 fps | 97.3% |
| Rottweil R 907 | <<locked>> | 92% | 53,766 psi | 89% | 2589 fps | 98.4% |
| Shooters World Long Rifle | <<locked>> | 92% | 52,083 psi | 87% | 2566 fps | 99.4% |
| Shooters World Match Rifle | <<locked>> | 82% | 51,909 psi | 86% | 2546 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 52,736 psi | 88% | 2552 fps | 100% |
| Shooters World SW4350 | <<locked>> | 94% | 53,040 psi | 88% | 2602 fps | 98.9% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 52,040 psi | 86% | 2612 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 52,779 psi | 88% | 2569 fps | 99.7% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 53,679 psi | 89% | 2589 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 52,127 psi | 87% | 2457 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 52,373 psi | 87% | 2461 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 51,866 psi | 86% | 2523 fps | 98.5% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 50,894 psi | 85% | 2635 fps | 97.2% |
| Somchem S335 | <<locked>> | 82% | 51,576 psi | 86% | 2457 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 52,649 psi | 87% | 2562 fps | 100% |
| Somchem S355 | <<locked>> | 90% | 54,215 psi | 90% | 2602 fps | 100% |
| Somchem S365 | <<locked>> | 98% | 52,852 psi | 88% | 2667 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 52,025 psi | 86% | 2618 fps | 98.1% |
| Vihtavuori N133 | <<locked>> | 82% | 52,533 psi | 87% | 2444 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 51,387 psi | 85% | 2484 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 51,996 psi | 86% | 2500 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 52,141 psi | 87% | 2536 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 53,461 psi | 89% | 2618 fps | 99.9% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 44,933 psi | 75% | 2493 fps | 96.3% |
| Vihtavuori N540 | <<locked>> | 86% | 53,417 psi | 89% | 2543 fps | 100% |
| Vihtavuori N550 | <<locked>> | 94% | 52,417 psi | 87% | 2621 fps | 99.8% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 48,327 psi | 80% | 2621 fps | 99.9% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 53,214 psi | 88% | 2592 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 51,213 psi | 85% | 2631 fps | 98.6% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 38,914 psi | 65% | 2582 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 84% | 53,563 psi | 89% | 2595 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 48,733 psi | 81% | 2559 fps | 96.4% |
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 2495 | <<locked>> | 80% | 45,948 psi | 76% | 2411 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 44,425 psi | 74% | 2402 fps | 96.3% |
| Accurate 3100 | <<locked>> | 92% | 35,143 psi | 58% | 2326 fps | 95.7% |
| Accurate 4064 | <<locked>> | 80% | 43,453 psi | 72% | 2418 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 32,184 psi | 53% | 2270 fps | 96.5% |
| ADI AR 2206H | <<locked>> | 80% | 48,776 psi | 81% | 2520 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 41,466 psi | 69% | 2385 fps | 99.2% |
| ADI AR 2209 | <<locked>> | 94% | 44,077 psi | 73% | 2507 fps | 95.1% |
| ADI Benchmark 8208 | <<locked>> | 80% | 50,879 psi | 85% | 2520 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 45,020 psi | 75% | 2572 fps | 99.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 41,655 psi | 69% | 2411 fps | 99.9% |
| Alliant Reloder-15 | <<locked>> | 80% | 44,411 psi | 74% | 2467 fps | 99.6% |
| Alliant Reloder-16 | 39.2 gr | 80% | 32,329 psi | 54% | 2287 fps | 96.6% |
| Alliant Reloder-17 | <<locked>> | 80% | 36,056 psi | 60% | 2398 fps | 99.2% |
| Alliant Reloder-19 | <<locked>> | 94% | 43,526 psi | 72% | 2503 fps | 95.2% |
| Alliant Reloder-22 | <<locked>> | 98% | 43,149 psi | 72% | 2543 fps | 95.3% |
| Alliant Reloder-23 | <<locked>> | 84% | 26,498 psi | 44% | 2156 fps | 95.5% |
| Alliant Reloder-25 | <<locked>> | 96% | 33,779 psi | 56% | 2359 fps | 95.3% |
| Alliant Reloder-26 | <<locked>> | 88% | 32,242 psi | 54% | 2369 fps | 95.8% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 48,298 psi | 80% | 2533 fps | 99.7% |
| Bofors RP3 | <<locked>> | 80% | 41,597 psi | 69% | 2418 fps | 99.9% |
| Bofors RP5 | <<locked>> | 98% | 43,149 psi | 72% | 2543 fps | 95.3% |
| Bofors RP7 | <<locked>> | 82% | 39,537 psi | 66% | 2346 fps | 95.2% |
| Hodgdon BL-C2 | <<locked>> | 80% | 50,401 psi | 84% | 2549 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 42,105 psi | 70% | 2425 fps | 98.6% |
| Hodgdon H414 | <<locked>> | 82% | 36,724 psi | 61% | 2369 fps | 95% |
| Hodgdon H4350 | <<locked>> | 84% | 42,656 psi | 71% | 2441 fps | 95.3% |
| Hodgdon H4895 | <<locked>> | 80% | 49,313 psi | 82% | 2530 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 29,718 psi | 49% | 2192 fps | 97.4% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 45,571 psi | 76% | 2513 fps | 100% |
| Hodgdon Superformance | 47.9 gr | 86% | 41,118 psi | 68% | 2484 fps | 95.9% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,963 psi | 45% | 1414 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 47,282 psi | 79% | 2487 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 49,705 psi | 83% | 2513 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 43,540 psi | 72% | 2415 fps | 99.6% |
| IMR 4166 Enduron | <<locked>> | 80% | 45,963 psi | 76% | 2438 fps | 97.5% |
| IMR 4350 | <<locked>> | 86% | 39,755 psi | 66% | 2375 fps | 95.3% |
| IMR 4451 Enduron | <<locked>> | 80% | 38,421 psi | 64% | 2323 fps | 95.4% |
| IMR 4831 | <<locked>> | 80% | 31,386 psi | 52% | 2238 fps | 96.2% |
| IMR 4895 | <<locked>> | 80% | 45,542 psi | 76% | 2493 fps | 99.9% |
| IMR 8208 XBR | <<locked>> | 80% | 50,879 psi | 85% | 2520 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 48,733 psi | 81% | 2500 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 48,341 psi | 80% | 2454 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 43,671 psi | 73% | 2415 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 36,158 psi | 60% | 2283 fps | 96.3% |
| Lovex S070 | <<locked>> | 82% | 36,506 psi | 61% | 2310 fps | 95.1% |
| Lovex S071 | <<locked>> | 96% | 33,779 psi | 56% | 2297 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 48,008 psi | 80% | 2474 fps | 100% |
| Norma 202 | <<locked>> | 80% | 48,414 psi | 80% | 2474 fps | 100% |
| Norma 203B | <<locked>> | 80% | 43,801 psi | 73% | 2457 fps | 99.8% |
| Norma 204 | <<locked>> | 90% | 44,730 psi | 74% | 2503 fps | 95.3% |
| Norma MRP | <<locked>> | 94% | 39,668 psi | 66% | 2503 fps | 95.8% |
| Norma URP | <<locked>> | 80% | 32,503 psi | 54% | 2274 fps | 96.4% |
| Ramshot Big Game | <<locked>> | 80% | 43,787 psi | 73% | 2477 fps | 99.7% |
| Ramshot Hunter | <<locked>> | 84% | 35,940 psi | 60% | 2359 fps | 95.7% |
| Ramshot TAC | <<locked>> | 80% | 50,894 psi | 85% | 2543 fps | 99.4% |
| Ramshot Wild Boar | <<locked>> | 80% | 50,720 psi | 84% | 2556 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,238 psi | 45% | 1447 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 42,221 psi | 70% | 2405 fps | 97.2% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 47,340 psi | 79% | 2569 fps | 99.8% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 38,334 psi | 64% | 2454 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 31,995 psi | 53% | 2290 fps | 96% |
| ReloadSwiss RS 70 | 43.9 gr | 82% | 33,823 psi | 56% | 2343 fps | 95.9% |
| Rottweil R 902 | <<locked>> | 80% | 45,687 psi | 76% | 2431 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 39,088 psi | 65% | 2369 fps | 99.6% |
| Rottweil R 904 | <<locked>> | 96% | 48,733 psi | 81% | 2539 fps | 95.2% |
| Rottweil R 905 | <<locked>> | 94% | 42,192 psi | 70% | 2484 fps | 95.1% |
| Rottweil R 907 | <<locked>> | 82% | 39,537 psi | 66% | 2346 fps | 95.2% |
| Shooters World Long Rifle | <<locked>> | 80% | 36,158 psi | 60% | 2283 fps | 96.3% |
| Shooters World Match Rifle | <<locked>> | 80% | 48,733 psi | 81% | 2500 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 43,671 psi | 73% | 2415 fps | 100% |
| Shooters World SW4350 | <<locked>> | 82% | 36,506 psi | 61% | 2310 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 39,885 psi | 66% | 2411 fps | 99.3% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 49,545 psi | 82% | 2520 fps | 99.5% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 47,195 psi | 78% | 2493 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 48,892 psi | 81% | 2415 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 40,973 psi | 68% | 2297 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 37,521 psi | 62% | 2277 fps | 95.3% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 44,570 psi | 74% | 2530 fps | 95.7% |
| Somchem S335 | <<locked>> | 80% | 48,791 psi | 81% | 2418 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 49,168 psi | 82% | 2513 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 39,798 psi | 66% | 2372 fps | 99.6% |
| Somchem S365 | <<locked>> | 80% | 29,124 psi | 48% | 2231 fps | 98.5% |
| Somchem S385 | <<locked>> | 92% | 40,277 psi | 67% | 2421 fps | 95.5% |
| Vihtavuori N133 | <<locked>> | 80% | 49,327 psi | 82% | 2402 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 45,339 psi | 75% | 2398 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 45,847 psi | 76% | 2415 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 37,811 psi | 63% | 2310 fps | 99.9% |
| Vihtavuori N160 | <<locked>> | 80% | 33,765 psi | 56% | 2274 fps | 96.8% |
| Vihtavuori N165 | <<locked>> | 98% | 42,148 psi | 70% | 2444 fps | 95.5% |
| Vihtavuori N540 | <<locked>> | 80% | 44,135 psi | 73% | 2408 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 33,315 psi | 55% | 2277 fps | 96.4% |
| Vihtavuori N555 | <<locked>> | 84% | 28,601 psi | 48% | 2224 fps | 95.7% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 33,315 psi | 55% | 2251 fps | 98.6% |
| Winchester 760 | <<locked>> | 82% | 36,956 psi | 61% | 2372 fps | 95.1% |
| Winchester StaBALL HD | <<locked>> | 88% | 26,498 psi | 44% | 2231 fps | 96.2% |
| Winchester StaBALL Match | <<locked>> | 80% | 47,007 psi | 78% | 2500 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 45,600 psi | 76% | 2507 fps | 95.6% |
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 98 powders for 7 x 64 Brenneke loaded with the .284 | 168gr | Nosler AccuBond Long Range. ReloadSwiss RS 70 delivers the highest muzzle velocity at 2,730 fps; across all powders the maximum-charge window runs from 1,581 fps to 2,730 fps. Accurate 3100 gives the best case fill at 100 %, and 98 of the 98 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (415 MPa), the top charges use 60–90 %, leaving at least 10 % headroom. The 168.0 gr projectile in 0.284" calls for a 1:9.5 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, Alliant Reloder-16, Hodgdon Superformance rank at the top here: for 7 x 64 Brenneke with the .284 | 168gr | Nosler AccuBond Long Range 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.