Load Specifications
Load data in caliber 7 x 64 Brenneke with .284 | 150gr | Nosler Ballistic Tip Hunting 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 70, 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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Max Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 82% | 54,143 psi | 90% | 2648 fps | 100% |
| Accurate 2495 | <<locked>> | 86% | 53,069 psi | 88% | 2674 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 54,375 psi | 90% | 2736 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 51,953 psi | 86% | 2677 fps | 97% |
| Accurate 3100ᴾ | <<locked>> | 100% | 43,569 psi | 72% | 2635 fps | 97% |
| Accurate 4064 | <<locked>> | 88% | 53,388 psi | 89% | 2726 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 52,982 psi | 88% | 2808 fps | 99.7% |
| ADI AR 2206H | <<locked>> | 84% | 53,432 psi | 89% | 2753 fps | 100% |
| ADI AR 2208 | <<locked>> | 90% | 54,244 psi | 90% | 2753 fps | 99.9% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 51,227 psi | 85% | 2782 fps | 95.8% |
| ADI Benchmark 8208 | <<locked>> | 82% | 52,243 psi | 87% | 2703 fps | 100% |
| Alliant AR-Comp | <<locked>> | 82% | 53,287 psi | 89% | 2677 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 52,910 psi | 88% | 2867 fps | 99.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 54,375 psi | 90% | 2772 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 51,590 psi | 86% | 2743 fps | 99.8% |
| Alliant Reloder-16 | <<locked>> | 98% | 54,143 psi | 90% | 2864 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 92% | 51,503 psi | 86% | 2841 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 50,227 psi | 83% | 2769 fps | 95.8% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 41,278 psi | 69% | 2657 fps | 99.4% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 46,630 psi | 77% | 2828 fps | 99% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 52,895 psi | 88% | 2762 fps | 99.7% |
| Bofors RP3 | <<locked>> | 88% | 51,721 psi | 86% | 2743 fps | 100% |
| Bofors RP7 | <<locked>> | 92% | 51,808 psi | 86% | 2713 fps | 97.2% |
| Hodgdon Benchmark | <<locked>> | 82% | 53,722 psi | 89% | 2684 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 82% | 51,517 psi | 86% | 2730 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 52,489 psi | 87% | 2753 fps | 99.4% |
| Hodgdon H414 | <<locked>> | 94% | 52,098 psi | 87% | 2802 fps | 97.9% |
| Hodgdon H4350 | <<locked>> | 92% | 52,765 psi | 88% | 2766 fps | 96.7% |
| Hodgdon H4895 | <<locked>> | 84% | 53,969 psi | 90% | 2762 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 54,027 psi | 90% | 2792 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 53,229 psi | 88% | 2792 fps | 100% |
| Hodgdon Superformance | <<locked>> | 94% | 52,315 psi | 87% | 2835 fps | 97.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,781 psi | 59% | 1693 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 51,605 psi | 86% | 2713 fps | 100% |
| IMR 3031 | <<locked>> | 84% | 54,143 psi | 90% | 2746 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 53,838 psi | 89% | 2736 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 86% | 53,737 psi | 89% | 2717 fps | 98% |
| IMR 4350 | <<locked>> | 96% | 51,996 psi | 86% | 2736 fps | 97.3% |
| IMR 4451 Enduron | <<locked>> | 92% | 53,534 psi | 89% | 2743 fps | 97.9% |
| IMR 4831 | <<locked>> | 98% | 53,490 psi | 89% | 2799 fps | 99.8% |
| IMR 4895 | <<locked>> | 86% | 52,924 psi | 88% | 2772 fps | 100% |
| IMR 8208 XBR | <<locked>> | 82% | 52,243 psi | 87% | 2703 fps | 100% |
| Lovex D073.6 | <<locked>> | 84% | 53,113 psi | 88% | 2726 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 52,605 psi | 87% | 2677 fps | 100% |
| Lovex S062 | <<locked>> | 88% | 53,737 psi | 89% | 2733 fps | 100% |
| Lovex S065 | <<locked>> | 94% | 53,200 psi | 88% | 2740 fps | 99% |
| Lovex S070 | <<locked>> | 96% | 53,838 psi | 89% | 2772 fps | 98.3% |
| Norma 201 | <<locked>> | 84% | 52,185 psi | 87% | 2697 fps | 100% |
| Norma 202 | <<locked>> | 84% | 52,562 psi | 87% | 2697 fps | 100% |
| Norma 203B | <<locked>> | 88% | 54,331 psi | 90% | 2785 fps | 100% |
| Norma 204 | <<locked>> | 96% | 52,243 psi | 87% | 2782 fps | 96% |
| Norma MRPᴾ | <<locked>> | 100% | 46,311 psi | 77% | 2782 fps | 96.5% |
| Norma URP | <<locked>> | 96% | 51,953 psi | 86% | 2795 fps | 99.6% |
| Ramshot Big Game | <<locked>> | 86% | 51,256 psi | 85% | 2756 fps | 99.9% |
| Ramshot Hunter | <<locked>> | 98% | 54,186 psi | 90% | 2841 fps | 98.9% |
| Ramshot TAC | <<locked>> | 82% | 52,315 psi | 87% | 2720 fps | 99% |
| Ramshot Wild Boar | <<locked>> | 82% | 52,112 psi | 87% | 2740 fps | 99.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,187 psi | 60% | 1732 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 52,533 psi | 87% | 2733 fps | 98.4% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 51,895 psi | 86% | 2805 fps | 99.8% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 51,256 psi | 85% | 2838 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 52,533 psi | 87% | 2828 fps | 99.6% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 52,011 psi | 86% | 2854 fps | 99.4% |
| Rottweil R 901 | <<locked>> | 82% | 53,055 psi | 88% | 2677 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 52,779 psi | 88% | 2700 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 51,590 psi | 86% | 2733 fps | 100% |
| Rottweil R 907 | <<locked>> | 92% | 51,808 psi | 86% | 2713 fps | 97.2% |
| Shooters World Long Rifle | <<locked>> | 94% | 53,200 psi | 88% | 2740 fps | 99% |
| Shooters World Match Rifle | <<locked>> | 84% | 53,113 psi | 88% | 2726 fps | 100% |
| Shooters World Precision | <<locked>> | 88% | 53,737 psi | 89% | 2733 fps | 100% |
| Shooters World SW4350 | <<locked>> | 96% | 53,838 psi | 89% | 2772 fps | 98.3% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 53,214 psi | 88% | 2792 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 54,418 psi | 90% | 2753 fps | 99.5% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 51,721 psi | 86% | 2723 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 53,301 psi | 89% | 2635 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 53,621 psi | 89% | 2638 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 52,939 psi | 88% | 2687 fps | 97.9% |
| Somchem S335 | <<locked>> | 84% | 52,982 psi | 88% | 2638 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 53,867 psi | 89% | 2740 fps | 100% |
| Somchem S355 | <<locked>> | 90% | 51,982 psi | 86% | 2733 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 53,563 psi | 89% | 2848 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 49,821 psi | 83% | 2736 fps | 96.8% |
| Vihtavuori N133 | <<locked>> | 84% | 53,635 psi | 89% | 2621 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 52,431 psi | 87% | 2664 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 53,113 psi | 88% | 2680 fps | 100% |
| Vihtavuori N150 | <<locked>> | 92% | 53,011 psi | 88% | 2707 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 50,908 psi | 85% | 2740 fps | 99.4% |
| Vihtavuori N530 | <<locked>> | 82% | 52,707 psi | 88% | 2700 fps | 100% |
| Vihtavuori N540 | <<locked>> | 86% | 51,343 psi | 85% | 2674 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 53,490 psi | 89% | 2795 fps | 99.6% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 45,890 psi | 76% | 2740 fps | 99.4% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 54,346 psi | 90% | 2769 fps | 100% |
| Winchester 748 | <<locked>> | 82% | 52,576 psi | 87% | 2746 fps | 100% |
| Winchester 760 | <<locked>> | 94% | 52,388 psi | 87% | 2808 fps | 98% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 37,072 psi | 62% | 2674 fps | 99.6% |
| Winchester StaBALL Match | <<locked>> | 84% | 51,648 psi | 86% | 2730 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% | 50,952 psi | 85% | 2605 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 43,700 psi | 73% | 2539 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 50,865 psi | 85% | 2687 fps | 100% |
| Accurate 2700 | <<locked>> | 82% | 45,629 psi | 76% | 2569 fps | 95.5% |
| Accurate 3100 | <<locked>> | 96% | 38,029 psi | 63% | 2526 fps | 95.4% |
| Accurate 4064 | <<locked>> | 80% | 41,336 psi | 69% | 2536 fps | 100% |
| Accurate 4350 | <<locked>> | 82% | 32,735 psi | 54% | 2421 fps | 95.5% |
| ADI AR 2206H | <<locked>> | 80% | 46,905 psi | 78% | 2648 fps | 99.7% |
| ADI AR 2208 | <<locked>> | 80% | 39,987 psi | 66% | 2503 fps | 98.2% |
| ADI AR 2209 | <<locked>> | 98% | 48,182 psi | 80% | 2726 fps | 95% |
| ADI Benchmark 8208 | <<locked>> | 80% | 48,950 psi | 81% | 2651 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 50,009 psi | 83% | 2635 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 42,975 psi | 71% | 2687 fps | 98.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 39,668 psi | 66% | 2523 fps | 99.3% |
| Alliant Reloder-15 | <<locked>> | 80% | 42,540 psi | 71% | 2585 fps | 98.8% |
| Alliant Reloder-16 | <<locked>> | 82% | 32,982 psi | 55% | 2434 fps | 95.6% |
| Alliant Reloder-17 | 44.3 gr | 80% | 34,403 psi | 57% | 2503 fps | 98% |
| Alliant Reloder-19 | <<locked>> | 98% | 47,021 psi | 78% | 2713 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 88% | 28,674 psi | 48% | 2346 fps | 95.3% |
| Alliant Reloder-26 | <<locked>> | 92% | 35,056 psi | 58% | 2572 fps | 95.6% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 46,456 psi | 77% | 2657 fps | 99.1% |
| Bofors RP3 | <<locked>> | 80% | 39,581 psi | 66% | 2533 fps | 99.3% |
| Bofors RP7 | <<locked>> | 86% | 43,062 psi | 72% | 2556 fps | 95.1% |
| Hodgdon Benchmark | <<locked>> | 80% | 50,691 psi | 84% | 2638 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 48,211 psi | 80% | 2677 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 40,422 psi | 67% | 2536 fps | 97.3% |
| Hodgdon H414 | <<locked>> | 88% | 42,830 psi | 71% | 2638 fps | 95.8% |
| Hodgdon H4350 | <<locked>> | 88% | 46,543 psi | 77% | 2657 fps | 95.2% |
| Hodgdon H4895 | <<locked>> | 80% | 47,355 psi | 79% | 2657 fps | 99.9% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 28,471 psi | 47% | 2287 fps | 95.6% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 43,540 psi | 72% | 2635 fps | 99.8% |
| Hodgdon Superformance | <<locked>> | 90% | 45,455 psi | 76% | 2710 fps | 95.9% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,571 psi | 44% | 1509 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 45,455 psi | 76% | 2608 fps | 99.7% |
| IMR 3031 | <<locked>> | 80% | 47,369 psi | 79% | 2648 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 42,003 psi | 70% | 2536 fps | 98.8% |
| IMR 4166 Enduron | <<locked>> | 80% | 44,527 psi | 74% | 2559 fps | 96.1% |
| IMR 4350 | <<locked>> | 90% | 43,279 psi | 72% | 2585 fps | 95.2% |
| IMR 4451 Enduron | <<locked>> | 84% | 41,858 psi | 70% | 2536 fps | 95.2% |
| IMR 4831 | <<locked>> | 82% | 31,734 psi | 53% | 2382 fps | 95.1% |
| IMR 4895 | <<locked>> | 80% | 43,613 psi | 72% | 2615 fps | 99.4% |
| IMR 8208 XBR | <<locked>> | 80% | 48,950 psi | 81% | 2651 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 46,369 psi | 77% | 2625 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 46,775 psi | 78% | 2582 fps | 99.6% |
| Lovex S062 | <<locked>> | 80% | 42,003 psi | 70% | 2539 fps | 99.7% |
| Lovex S065 | <<locked>> | 82% | 36,869 psi | 61% | 2438 fps | 95.3% |
| Lovex S070 | <<locked>> | 88% | 42,177 psi | 70% | 2569 fps | 95.8% |
| Norma 201 | <<locked>> | 80% | 45,992 psi | 76% | 2598 fps | 100% |
| Norma 202 | <<locked>> | 80% | 46,282 psi | 77% | 2602 fps | 100% |
| Norma 203B | <<locked>> | 80% | 41,945 psi | 70% | 2575 fps | 99.1% |
| Norma 204 | <<locked>> | 94% | 48,863 psi | 81% | 2723 fps | 95.2% |
| Norma MRP | <<locked>> | 98% | 43,294 psi | 72% | 2723 fps | 95.7% |
| Norma URP | <<locked>> | 82% | 32,953 psi | 55% | 2421 fps | 95.4% |
| Ramshot Big Game | <<locked>> | 80% | 41,713 psi | 69% | 2592 fps | 99% |
| Ramshot Hunter | <<locked>> | 88% | 39,189 psi | 65% | 2572 fps | 95.6% |
| Ramshot TAC | <<locked>> | 80% | 48,834 psi | 81% | 2664 fps | 98.5% |
| Ramshot Wild Boar | <<locked>> | 80% | 48,573 psi | 81% | 2680 fps | 99.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,021 psi | 45% | 1549 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 40,509 psi | 67% | 2516 fps | 95.7% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 45,194 psi | 75% | 2694 fps | 99.2% |
| ReloadSwiss RS 60 | 44.3 gr | 80% | 36,593 psi | 61% | 2566 fps | 99.9% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 34,795 psi | 58% | 2493 fps | 95.8% |
| ReloadSwiss RS 70 | 48.4 gr | 86% | 37,115 psi | 62% | 2556 fps | 95.9% |
| Rottweil R 901 | <<locked>> | 80% | 49,995 psi | 83% | 2631 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 43,772 psi | 73% | 2552 fps | 99.8% |
| Rottweil R 903 | <<locked>> | 80% | 37,318 psi | 62% | 2480 fps | 98.8% |
| Rottweil R 907 | <<locked>> | 86% | 43,062 psi | 72% | 2556 fps | 95.1% |
| Shooters World Long Rifle | <<locked>> | 82% | 36,869 psi | 61% | 2438 fps | 95.3% |
| Shooters World Match Rifle | <<locked>> | 80% | 46,369 psi | 77% | 2625 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 42,003 psi | 70% | 2539 fps | 99.7% |
| Shooters World SW4350 | <<locked>> | 88% | 42,177 psi | 70% | 2569 fps | 95.8% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 38,130 psi | 63% | 2526 fps | 98.3% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 47,384 psi | 79% | 2641 fps | 98.6% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 45,426 psi | 75% | 2618 fps | 99.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 47,152 psi | 78% | 2546 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 39,378 psi | 65% | 2418 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 41,002 psi | 68% | 2484 fps | 95.2% |
| Somchem S335 | <<locked>> | 80% | 46,833 psi | 78% | 2549 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 47,282 psi | 79% | 2638 fps | 99.7% |
| Somchem S355 | <<locked>> | 80% | 37,956 psi | 63% | 2480 fps | 98.7% |
| Somchem S365 | <<locked>> | 80% | 27,717 psi | 46% | 2323 fps | 96.8% |
| Somchem S385 | <<locked>> | 96% | 43,526 psi | 72% | 2625 fps | 95.2% |
| Vihtavuori N133 | <<locked>> | 80% | 47,529 psi | 79% | 2536 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 43,410 psi | 72% | 2530 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 44,034 psi | 73% | 2543 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 36,201 psi | 60% | 2418 fps | 99.3% |
| Vihtavuori N160 | <<locked>> | 82% | 34,447 psi | 57% | 2428 fps | 95.9% |
| Vihtavuori N530 | <<locked>> | 80% | 49,284 psi | 82% | 2651 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 42,482 psi | 71% | 2533 fps | 100% |
| Vihtavuori N550 | <<locked>> | 82% | 33,837 psi | 56% | 2425 fps | 95.4% |
| Vihtavuori N555 | <<locked>> | 88% | 30,922 psi | 51% | 2421 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 32,024 psi | 53% | 2352 fps | 97.3% |
| Winchester 748 | <<locked>> | 80% | 49,168 psi | 82% | 2694 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 42,830 psi | 71% | 2638 fps | 95.8% |
| Winchester StaBALL HD | <<locked>> | 92% | 28,747 psi | 48% | 2425 fps | 95.9% |
| Winchester StaBALL Match | <<locked>> | 80% | 44,976 psi | 75% | 2621 fps | 99.7% |
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 115 powders for 7 x 64 Brenneke loaded with the .284 | 150gr | Nosler Ballistic Tip Hunting. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,867 fps; across all powders the maximum-charge window runs from 1,693 fps to 2,867 fps. Accurate 3100 gives the best case fill at 100 %, and 115 of the 115 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (415 MPa), the top charges use 59–90 %, leaving at least 10 % headroom. The 150.0 gr projectile in 0.284" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2209, ADI AR 2213 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-17, ReloadSwiss RS 60 rank at the top here: for 7 x 64 Brenneke with the .284 | 150gr | Nosler Ballistic Tip Hunting they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2213, Alliant Reloder-22, Bofors RP15 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.