
Load Specifications
Load data in caliber 7 x 64 Brenneke with .284 | 140gr | Speer TBBC bullet and 91 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Hodgdon Superformance and Alliant Reloder-17.
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>> | 82% | 53,403 psi | 89% | 2743 fps | 100% |
| Accurate 2495 | <<locked>> | 86% | 52,214 psi | 87% | 2769 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 52,098 psi | 87% | 2818 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 52,098 psi | 87% | 2818 fps | 100% |
| Accurate 2700 | <<locked>> | 90% | 52,040 psi | 86% | 2762 fps | 96.4% |
| Accurate 3100ᴾ | <<locked>> | 100% | 42,728 psi | 71% | 2707 fps | 96.2% |
| Accurate 4064 | <<locked>> | 88% | 52,417 psi | 87% | 2818 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 51,909 psi | 86% | 2890 fps | 99.4% |
| ADI AR 2206H | <<locked>> | 84% | 52,388 psi | 87% | 2838 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 90% | 53,621 psi | 89% | 2844 fps | 99.7% |
| ADI Benchmark 8208 | <<locked>> | 82% | 51,358 psi | 85% | 2792 fps | 100% |
| Alliant AR-Comp | <<locked>> | 82% | 52,402 psi | 87% | 2772 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 51,924 psi | 86% | 2956 fps | 99.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 53,563 psi | 89% | 2864 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 54,027 psi | 90% | 2884 fps | 99.8% |
| Alliant Reloder-16 | <<locked>> | 98% | 53,185 psi | 88% | 2953 fps | 99.7% |
| Alliant Reloder-17 | <<locked>> | 94% | 54,273 psi | 90% | 2986 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 40,654 psi | 68% | 2736 fps | 99% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 45,614 psi | 76% | 2904 fps | 98.4% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 52,069 psi | 87% | 2851 fps | 99.4% |
| Bofors RP3 | <<locked>> | 90% | 54,041 psi | 90% | 2877 fps | 100% |
| Bofors RP7 | <<locked>> | 94% | 54,070 psi | 90% | 2848 fps | 97.1% |
| Hodgdon Benchmark | <<locked>> | 82% | 52,968 psi | 88% | 2776 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 54,143 psi | 90% | 2871 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 51,677 psi | 86% | 2838 fps | 99% |
| Hodgdon H414 | <<locked>> | 92% | 52,605 psi | 87% | 2910 fps | 97.5% |
| Hodgdon H4350 | <<locked>> | 96% | 53,243 psi | 88% | 2874 fps | 96.3% |
| Hodgdon H4895 | <<locked>> | 84% | 52,895 psi | 88% | 2851 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 52,939 psi | 88% | 2877 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 52,678 psi | 88% | 2887 fps | 100% |
| Hodgdon Superformance | <<locked>> | 94% | 51,503 psi | 86% | 2917 fps | 96.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,737 psi | 59% | 1768 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 52,997 psi | 88% | 2838 fps | 100% |
| IMR 3031 | <<locked>> | 86% | 51,517 psi | 86% | 2815 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 52,402 psi | 87% | 2815 fps | 99.7% |
| IMR 4166 Enduron | <<locked>> | 90% | 51,692 psi | 86% | 2782 fps | 97.2% |
| IMR 4350 | <<locked>> | 96% | 51,184 psi | 85% | 2822 fps | 96.6% |
| IMR 4451 Enduron | <<locked>> | 92% | 52,721 psi | 88% | 2828 fps | 97.3% |
| IMR 4831ᴾ | <<locked>> | 100% | 49,951 psi | 83% | 2844 fps | 99.2% |
| IMR 4895 | <<locked>> | 86% | 52,011 psi | 86% | 2861 fps | 99.9% |
| IMR 8208 XBR | <<locked>> | 82% | 51,358 psi | 85% | 2792 fps | 100% |
| Lovex D073.6 | <<locked>> | 84% | 52,098 psi | 87% | 2818 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 52,112 psi | 87% | 2772 fps | 99.8% |
| Lovex S062 | <<locked>> | 88% | 52,881 psi | 88% | 2822 fps | 100% |
| Lovex S065 | <<locked>> | 94% | 52,243 psi | 87% | 2822 fps | 98.5% |
| Lovex S070 | <<locked>> | 96% | 52,968 psi | 88% | 2854 fps | 97.7% |
| Norma 201 | <<locked>> | 84% | 51,285 psi | 85% | 2785 fps | 100% |
| Norma 202 | <<locked>> | 84% | 51,895 psi | 86% | 2792 fps | 100% |
| Norma 203B | <<locked>> | 88% | 53,287 psi | 89% | 2871 fps | 99.9% |
| Norma URP | <<locked>> | 96% | 51,010 psi | 85% | 2877 fps | 99.2% |
| Ramshot Big Game | <<locked>> | 88% | 53,621 psi | 89% | 2894 fps | 99.9% |
| Ramshot Hunter | <<locked>> | 98% | 53,200 psi | 88% | 2927 fps | 98.4% |
| Ramshot TAC | <<locked>> | 82% | 51,416 psi | 85% | 2802 fps | 98.5% |
| Ramshot Wild Boar | <<locked>> | 82% | 51,169 psi | 85% | 2825 fps | 99.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,100 psi | 60% | 1808 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 51,706 psi | 86% | 2815 fps | 97.8% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 54,346 psi | 90% | 2949 fps | 99.8% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 54,172 psi | 90% | 2989 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 51,532 psi | 86% | 2913 fps | 99.2% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 51,010 psi | 85% | 2936 fps | 98.9% |
| Rottweil R 901 | <<locked>> | 82% | 52,417 psi | 87% | 2772 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 51,764 psi | 86% | 2785 fps | 100% |
| Rottweil R 903 | <<locked>> | 92% | 53,882 psi | 90% | 2871 fps | 100% |
| Rottweil R 907 | <<locked>> | 94% | 54,070 psi | 90% | 2848 fps | 97.1% |
| Shooters World Long Rifle | <<locked>> | 94% | 52,243 psi | 87% | 2822 fps | 98.5% |
| Shooters World Match Rifle | <<locked>> | 84% | 52,098 psi | 87% | 2818 fps | 100% |
| Shooters World Precision | <<locked>> | 88% | 52,881 psi | 88% | 2822 fps | 100% |
| Shooters World SW4350 | <<locked>> | 96% | 52,968 psi | 88% | 2854 fps | 97.7% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 52,199 psi | 87% | 2877 fps | 99.8% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 53,592 psi | 89% | 2841 fps | 99.1% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 54,114 psi | 90% | 2861 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 52,620 psi | 87% | 2730 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 52,866 psi | 88% | 2730 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 52,228 psi | 87% | 2772 fps | 97.3% |
| Somchem S335 | <<locked>> | 84% | 52,069 psi | 87% | 2726 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 53,026 psi | 88% | 2828 fps | 99.9% |
| Somchem S355 | <<locked>> | 92% | 54,317 psi | 90% | 2871 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 52,605 psi | 87% | 2940 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 48,878 psi | 81% | 2815 fps | 96% |
| Unknown powder | <<locked>> | 94% | 52,112 psi | 87% | 2887 fps | 98.9% |
| Vihtavuori N133 | <<locked>> | 86% | 52,402 psi | 87% | 2710 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 51,459 psi | 85% | 2753 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 51,576 psi | 86% | 2762 fps | 100% |
| Vihtavuori N150 | <<locked>> | 96% | 52,301 psi | 87% | 2802 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 52,663 psi | 87% | 2861 fps | 99.3% |
| Vihtavuori N540 | <<locked>> | 86% | 51,184 psi | 85% | 2785 fps | 100% |
| Vihtavuori N550 | <<locked>> | 94% | 52,837 psi | 88% | 2907 fps | 99.3% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 44,730 psi | 74% | 2815 fps | 98.9% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 53,621 psi | 89% | 2858 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 52,605 psi | 87% | 2910 fps | 97.5% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 36,492 psi | 61% | 2743 fps | 98.9% |
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% | 50,053 psi | 83% | 2697 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 42,946 psi | 71% | 2625 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 48,530 psi | 81% | 2762 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 48,530 psi | 81% | 2762 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 48,878 psi | 81% | 2710 fps | 95.7% |
| Accurate 3100 | <<locked>> | 98% | 39,871 psi | 66% | 2651 fps | 95.3% |
| Accurate 4064 | <<locked>> | 80% | 40,625 psi | 67% | 2618 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 34,229 psi | 57% | 2546 fps | 95.4% |
| ADI AR 2206H | <<locked>> | 80% | 46,151 psi | 77% | 2733 fps | 99.3% |
| ADI AR 2208 | <<locked>> | 80% | 39,204 psi | 65% | 2579 fps | 97.5% |
| ADI Benchmark 8208 | <<locked>> | 80% | 48,211 psi | 80% | 2740 fps | 99.9% |
| Alliant AR-Comp | <<locked>> | 80% | 48,921 psi | 81% | 2723 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 42,206 psi | 70% | 2769 fps | 98.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 39,073 psi | 65% | 2605 fps | 98.8% |
| Alliant Reloder-15 | <<locked>> | 80% | 41,843 psi | 70% | 2667 fps | 98.3% |
| Alliant Reloder-16 | <<locked>> | 84% | 34,345 psi | 57% | 2559 fps | 95.4% |
| Alliant Reloder-17 | 46 gr | 80% | 33,837 psi | 56% | 2572 fps | 97.1% |
| Alliant Reloder-23 | <<locked>> | 90% | 29,762 psi | 49% | 2457 fps | 95% |
| Alliant Reloder-26 | <<locked>> | 94% | 36,985 psi | 61% | 2707 fps | 95.7% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 45,643 psi | 76% | 2740 fps | 98.6% |
| Bofors RP3 | <<locked>> | 80% | 38,812 psi | 64% | 2608 fps | 98.9% |
| Bofors RP7 | <<locked>> | 88% | 44,933 psi | 75% | 2687 fps | 95% |
| Hodgdon Benchmark | <<locked>> | 80% | 50,024 psi | 83% | 2730 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 47,398 psi | 79% | 2766 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 39,639 psi | 66% | 2615 fps | 96.6% |
| Hodgdon H414 | <<locked>> | 86% | 42,757 psi | 71% | 2730 fps | 95.1% |
| Hodgdon H4350 | <<locked>> | 94% | 50,299 psi | 84% | 2822 fps | 95.6% |
| Hodgdon H4895 | <<locked>> | 80% | 46,630 psi | 77% | 2743 fps | 99.6% |
| Hodgdon Hybrid 100V | <<locked>> | 82% | 29,747 psi | 49% | 2405 fps | 95.4% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 40,335 psi | 67% | 2667 fps | 99.1% |
| Hodgdon Superformance | 54.7 gr | 90% | 44,744 psi | 74% | 2789 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,629 psi | 44% | 1578 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 41,481 psi | 69% | 2631 fps | 99% |
| IMR 3031 | <<locked>> | 80% | 42,757 psi | 71% | 2674 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 38,580 psi | 64% | 2559 fps | 97.6% |
| IMR 4166 Enduron | <<locked>> | 84% | 43,337 psi | 72% | 2628 fps | 95.2% |
| IMR 4350 | <<locked>> | 92% | 45,107 psi | 75% | 2713 fps | 95% |
| IMR 4451 Enduron | <<locked>> | 86% | 43,758 psi | 73% | 2664 fps | 95.2% |
| IMR 4831 | <<locked>> | 88% | 34,200 psi | 57% | 2526 fps | 95.4% |
| IMR 4895 | <<locked>> | 80% | 42,888 psi | 71% | 2697 fps | 98.9% |
| IMR 8208 XBR | <<locked>> | 80% | 48,211 psi | 80% | 2740 fps | 99.9% |
| Lovex D073.6 | <<locked>> | 80% | 45,716 psi | 76% | 2717 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 45,948 psi | 76% | 2667 fps | 99.3% |
| Lovex S062 | <<locked>> | 80% | 41,191 psi | 68% | 2618 fps | 99.4% |
| Lovex S065 | <<locked>> | 84% | 38,392 psi | 64% | 2559 fps | 95.2% |
| Lovex S070 | <<locked>> | 90% | 44,092 psi | 73% | 2697 fps | 95.7% |
| Norma 201 | <<locked>> | 80% | 45,368 psi | 75% | 2687 fps | 99.8% |
| Norma 202 | <<locked>> | 80% | 45,614 psi | 76% | 2690 fps | 100% |
| Norma 203B | <<locked>> | 80% | 41,234 psi | 69% | 2654 fps | 98.6% |
| Norma URP | <<locked>> | 84% | 34,476 psi | 57% | 2546 fps | 95.3% |
| Ramshot Big Game | <<locked>> | 80% | 40,973 psi | 68% | 2671 fps | 98.4% |
| Ramshot Hunter | <<locked>> | 90% | 40,973 psi | 68% | 2697 fps | 95.5% |
| Ramshot TAC | <<locked>> | 80% | 48,356 psi | 80% | 2749 fps | 98% |
| Ramshot Wild Boar | <<locked>> | 80% | 47,805 psi | 79% | 2766 fps | 99.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,021 psi | 45% | 1617 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 42,583 psi | 71% | 2651 fps | 95.7% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 44,469 psi | 74% | 2779 fps | 98.7% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 36,013 psi | 60% | 2641 fps | 99.6% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 36,492 psi | 61% | 2621 fps | 95.8% |
| ReloadSwiss RS 70 | 51.3 gr | 88% | 38,798 psi | 64% | 2684 fps | 95.8% |
| Rottweil R 901 | <<locked>> | 80% | 49,182 psi | 82% | 2723 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 43,236 psi | 72% | 2638 fps | 99.6% |
| Rottweil R 903 | <<locked>> | 80% | 36,419 psi | 61% | 2549 fps | 98.1% |
| Rottweil R 907 | <<locked>> | 88% | 44,933 psi | 75% | 2687 fps | 95% |
| Shooters World Long Rifle | <<locked>> | 84% | 38,392 psi | 64% | 2559 fps | 95.2% |
| Shooters World Match Rifle | <<locked>> | 80% | 45,716 psi | 76% | 2717 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 41,191 psi | 68% | 2618 fps | 99.4% |
| Shooters World SW4350 | <<locked>> | 90% | 44,092 psi | 73% | 2697 fps | 95.7% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 37,536 psi | 62% | 2602 fps | 97.7% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 46,586 psi | 77% | 2723 fps | 98.1% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 44,831 psi | 74% | 2703 fps | 99.1% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 46,383 psi | 77% | 2631 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 38,740 psi | 64% | 2500 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 42,975 psi | 71% | 2612 fps | 95.1% |
| Somchem S335 | <<locked>> | 80% | 46,253 psi | 77% | 2638 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 46,441 psi | 77% | 2720 fps | 99.3% |
| Somchem S355 | <<locked>> | 80% | 37,362 psi | 62% | 2559 fps | 98.1% |
| Somchem S365 | <<locked>> | 80% | 27,195 psi | 45% | 2385 fps | 95.7% |
| Somchem S385 | <<locked>> | 98% | 45,803 psi | 76% | 2759 fps | 95.2% |
| Unknown powder | <<locked>> | 84% | 37,478 psi | 62% | 2605 fps | 95.6% |
| Vihtavuori N133 | <<locked>> | 80% | 43,874 psi | 73% | 2582 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 42,598 psi | 71% | 2615 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 42,743 psi | 71% | 2618 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 31,763 psi | 53% | 2408 fps | 97.8% |
| Vihtavuori N160 | <<locked>> | 82% | 35,027 psi | 58% | 2523 fps | 95.4% |
| Vihtavuori N540 | <<locked>> | 80% | 42,308 psi | 70% | 2638 fps | 100% |
| Vihtavuori N550 | <<locked>> | 82% | 35,650 psi | 59% | 2569 fps | 95.5% |
| Vihtavuori N555 | <<locked>> | 90% | 32,097 psi | 53% | 2536 fps | 95.2% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 31,459 psi | 52% | 2418 fps | 96.4% |
| Winchester 760 | <<locked>> | 86% | 42,757 psi | 71% | 2730 fps | 95.1% |
| Winchester StaBALL HD | <<locked>> | 94% | 30,023 psi | 50% | 2543 fps | 95.8% |
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 91 powders for 7 x 64 Brenneke loaded with the .284 | 140gr | Speer TBBC. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,989 fps; across all powders the maximum-charge window runs from 1,768 fps to 2,989 fps. Accurate 3100 gives the best case fill at 100 %, and 91 of the 91 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 140.0 gr projectile in 0.284" calls for a 1:12.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, Alliant Reloder-23, Alliant Reloder-26 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, Hodgdon Superformance, Alliant Reloder-17 rank at the top here: for 7 x 64 Brenneke with the .284 | 140gr | Speer TBBC 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.