Load Specifications
Load data in caliber 7 x 64 Brenneke with .284 | 175gr | Sierra GameKing bullet and 92 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, ReloadSwiss RS 70 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.
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 2495 | <<locked>> | 82% | 52,301 psi | 87% | 2454 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 53,722 psi | 89% | 2516 fps | 98.7% |
| Accurate 3100ᴾ | <<locked>> | 100% | 50,125 psi | 83% | 2552 fps | 99.4% |
| Accurate 4064 | <<locked>> | 84% | 52,533 psi | 87% | 2503 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 52,518 psi | 87% | 2598 fps | 100% |
| ADI AR 2208 | <<locked>> | 86% | 52,997 psi | 88% | 2533 fps | 100% |
| ADI AR 2209 | <<locked>> | 98% | 53,824 psi | 89% | 2638 fps | 98.2% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 51,184 psi | 85% | 2625 fps | 96.4% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 51,576 psi | 86% | 2641 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 53,577 psi | 89% | 2556 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 53,896 psi | 90% | 2575 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 53,548 psi | 89% | 2651 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 51,039 psi | 85% | 2625 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 52,750 psi | 88% | 2625 fps | 98.1% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 49,705 psi | 83% | 2625 fps | 97.8% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 46,920 psi | 78% | 2569 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 41,176 psi | 68% | 2500 fps | 98.8% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 53,664 psi | 89% | 2749 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 45,730 psi | 76% | 2556 fps | 96.7% |
| Bofors RP3 | <<locked>> | 86% | 54,143 psi | 90% | 2569 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 49,705 psi | 83% | 2625 fps | 97.8% |
| Bofors RP7 | <<locked>> | 90% | 53,679 psi | 89% | 2552 fps | 98.9% |
| Hodgdon H380 | <<locked>> | 84% | 51,184 psi | 85% | 2536 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 90% | 51,474 psi | 86% | 2598 fps | 99.1% |
| Hodgdon H4350 | <<locked>> | 88% | 51,561 psi | 86% | 2556 fps | 98.1% |
| Hodgdon H4831 | <<locked>> | 98% | 51,430 psi | 85% | 2579 fps | 95.8% |
| Hodgdon H4831 SCᴾ | <<locked>> | 100% | 53,708 psi | 89% | 2612 fps | 96.3% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 53,795 psi | 89% | 2579 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 52,141 psi | 87% | 2566 fps | 100% |
| Hodgdon Superformance | <<locked>> | 90% | 51,256 psi | 85% | 2631 fps | 98.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,230 psi | 60% | 1568 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 53,403 psi | 89% | 2536 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 52,518 psi | 87% | 2516 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 82% | 51,634 psi | 86% | 2497 fps | 99% |
| IMR 4350 | <<locked>> | 94% | 54,389 psi | 90% | 2585 fps | 99% |
| IMR 4451 Enduron | <<locked>> | 88% | 52,156 psi | 87% | 2533 fps | 99% |
| IMR 4831 | <<locked>> | 94% | 52,982 psi | 88% | 2589 fps | 100% |
| IMR 4895 | <<locked>> | 82% | 51,735 psi | 86% | 2549 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 98% | 53,505 psi | 89% | 2575 fps | 96.5% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 48,834 psi | 81% | 2598 fps | 96% |
| Lovex S060 | <<locked>> | 82% | 54,302 psi | 90% | 2503 fps | 100% |
| Lovex S062 | <<locked>> | 84% | 52,692 psi | 88% | 2513 fps | 100% |
| Lovex S065 | <<locked>> | 90% | 52,141 psi | 87% | 2533 fps | 99.7% |
| Lovex S070 | <<locked>> | 92% | 53,055 psi | 88% | 2566 fps | 99.3% |
| Lovex S071ᴾ | <<locked>> | 100% | 41,495 psi | 69% | 2415 fps | 98.1% |
| Norma 201 | <<locked>> | 82% | 53,998 psi | 90% | 2520 fps | 100% |
| Norma 203B | <<locked>> | 84% | 53,185 psi | 88% | 2562 fps | 100% |
| Norma 204 | <<locked>> | 92% | 51,445 psi | 85% | 2582 fps | 97.7% |
| Norma MRPᴾ | <<locked>> | 100% | 52,634 psi | 87% | 2700 fps | 99.3% |
| Norma URP | <<locked>> | 92% | 51,590 psi | 86% | 2585 fps | 100% |
| Ramshot Big Game | <<locked>> | 84% | 53,490 psi | 89% | 2585 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 48,892 psi | 81% | 2612 fps | 96.3% |
| Ramshot Hunter | <<locked>> | 94% | 53,476 psi | 89% | 2635 fps | 99.7% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 43,511 psi | 72% | 2500 fps | 96.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,057 psi | 62% | 1611 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 51,155 psi | 85% | 2520 fps | 99.3% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 54,462 psi | 90% | 2631 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 54,273 psi | 90% | 2667 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 52,228 psi | 87% | 2618 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 54,447 psi | 90% | 2694 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 39,827 psi | 66% | 2507 fps | 96.6% |
| Rottweil R 902 | <<locked>> | 82% | 51,416 psi | 85% | 2477 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 54,012 psi | 90% | 2562 fps | 100% |
| Rottweil R 904 | <<locked>> | 96% | 52,127 psi | 87% | 2559 fps | 96.8% |
| Rottweil R 905 | <<locked>> | 98% | 51,851 psi | 86% | 2612 fps | 98.1% |
| Rottweil R 907 | <<locked>> | 90% | 53,679 psi | 89% | 2552 fps | 98.9% |
| Shooters World Long Rifle | <<locked>> | 90% | 52,141 psi | 87% | 2533 fps | 99.7% |
| Shooters World Precision | <<locked>> | 84% | 52,692 psi | 88% | 2513 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 53,055 psi | 88% | 2566 fps | 99.3% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 52,344 psi | 87% | 2575 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 53,534 psi | 89% | 2546 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 52,402 psi | 87% | 2418 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 51,721 psi | 86% | 2487 fps | 99% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 51,372 psi | 85% | 2605 fps | 98% |
| Somchem S355 | <<locked>> | 88% | 54,114 psi | 90% | 2559 fps | 100% |
| Somchem S361 | <<locked>> | 96% | 53,519 psi | 89% | 2552 fps | 96.2% |
| Somchem S365 | <<locked>> | 96% | 53,693 psi | 89% | 2631 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 52,692 psi | 88% | 2592 fps | 98.8% |
| Vihtavuori N135 | <<locked>> | 82% | 51,532 psi | 86% | 2441 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 51,924 psi | 86% | 2457 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 51,953 psi | 86% | 2490 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 53,650 psi | 89% | 2579 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 48,559 psi | 81% | 2520 fps | 97.8% |
| Vihtavuori N540 | <<locked>> | 84% | 53,214 psi | 88% | 2497 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 52,895 psi | 88% | 2589 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 52,765 psi | 88% | 2641 fps | 100% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 53,171 psi | 88% | 2690 fps | 96.7% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 53,330 psi | 89% | 2556 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 51,474 psi | 86% | 2598 fps | 99.1% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 42,409 psi | 70% | 2621 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 53,417 psi | 89% | 2552 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 52,852 psi | 88% | 2585 fps | 98% |
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% | 49,110 psi | 82% | 2411 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 47,094 psi | 78% | 2415 fps | 97.6% |
| Accurate 3100 | <<locked>> | 88% | 33,344 psi | 55% | 2254 fps | 95.8% |
| Accurate 4064 | <<locked>> | 80% | 46,499 psi | 77% | 2418 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 35,027 psi | 58% | 2297 fps | 98% |
| ADI AR 2208 | <<locked>> | 80% | 44,179 psi | 73% | 2395 fps | 99.8% |
| ADI AR 2209 | <<locked>> | 90% | 41,481 psi | 69% | 2428 fps | 95.3% |
| ADI AR 2213 | <<locked>> | 98% | 48,080 psi | 80% | 2572 fps | 95.6% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 48,109 psi | 80% | 2585 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 44,324 psi | 74% | 2418 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 47,427 psi | 79% | 2480 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 34,490 psi | 57% | 2306 fps | 98.2% |
| Alliant Reloder-17 | <<locked>> | 80% | 38,696 psi | 64% | 2418 fps | 99.9% |
| Alliant Reloder-19 | <<locked>> | 90% | 41,133 psi | 68% | 2425 fps | 95.4% |
| Alliant Reloder-22 | <<locked>> | 94% | 41,002 psi | 68% | 2467 fps | 95.5% |
| Alliant Reloder-23 | <<locked>> | 80% | 25,222 psi | 42% | 2087 fps | 95.7% |
| Alliant Reloder-25 | <<locked>> | 92% | 32,213 psi | 54% | 2293 fps | 95.7% |
| Alliant Reloder-26 | 46.9 gr | 84% | 30,342 psi | 50% | 2290 fps | 95.9% |
| Bofors RP15 | <<locked>> | 96% | 40,451 psi | 67% | 2457 fps | 95.2% |
| Bofors RP3 | <<locked>> | 80% | 44,353 psi | 74% | 2425 fps | 100% |
| Bofors RP5 | <<locked>> | 94% | 41,002 psi | 68% | 2467 fps | 95.5% |
| Bofors RP7 | <<locked>> | 80% | 39,378 psi | 65% | 2310 fps | 96% |
| Hodgdon H380 | <<locked>> | 80% | 44,962 psi | 75% | 2438 fps | 99.4% |
| Hodgdon H414 | <<locked>> | 80% | 37,086 psi | 62% | 2339 fps | 96% |
| Hodgdon H4350 | <<locked>> | 80% | 39,958 psi | 66% | 2356 fps | 95.4% |
| Hodgdon H4831 | <<locked>> | 96% | 48,298 psi | 80% | 2526 fps | 95% |
| Hodgdon H4831 SC | <<locked>> | 98% | 50,459 psi | 84% | 2562 fps | 95.6% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 31,923 psi | 53% | 2211 fps | 98.7% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 48,747 psi | 81% | 2516 fps | 100% |
| Hodgdon Superformance | 47.2 gr | 82% | 38,421 psi | 64% | 2398 fps | 95.9% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,064 psi | 45% | 1398 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 49,980 psi | 83% | 2487 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 46,470 psi | 77% | 2428 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 48,660 psi | 81% | 2451 fps | 98.6% |
| IMR 4350 | <<locked>> | 82% | 37,463 psi | 62% | 2293 fps | 95.4% |
| IMR 4451 Enduron | <<locked>> | 80% | 40,843 psi | 68% | 2339 fps | 96.9% |
| IMR 4831 | <<locked>> | 80% | 33,736 psi | 56% | 2257 fps | 97.7% |
| IMR 4895 | <<locked>> | 80% | 48,646 psi | 81% | 2503 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 47,181 psi | 78% | 2474 fps | 95% |
| IMR 7828 SSC | <<locked>> | 98% | 45,847 psi | 76% | 2546 fps | 95.1% |
| Lovex S060 | <<locked>> | 80% | 50,879 psi | 85% | 2457 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 46,398 psi | 77% | 2421 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 38,421 psi | 64% | 2297 fps | 97.6% |
| Lovex S070 | <<locked>> | 80% | 36,492 psi | 61% | 2277 fps | 96% |
| Lovex S071 | <<locked>> | 92% | 32,256 psi | 54% | 2228 fps | 95.4% |
| Norma 201 | <<locked>> | 80% | 50,807 psi | 84% | 2477 fps | 100% |
| Norma 203B | <<locked>> | 80% | 46,804 psi | 78% | 2467 fps | 100% |
| Norma 204 | <<locked>> | 86% | 42,148 psi | 70% | 2425 fps | 95.4% |
| Norma MRP | <<locked>> | 88% | 35,114 psi | 58% | 2372 fps | 95% |
| Norma URP | <<locked>> | 80% | 34,911 psi | 58% | 2293 fps | 97.9% |
| Ramshot Big Game | <<locked>> | 80% | 46,804 psi | 78% | 2487 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 45,527 psi | 76% | 2552 fps | 95.3% |
| Ramshot Hunter | <<locked>> | 80% | 33,823 psi | 56% | 2277 fps | 95.7% |
| Ramshot Magnum | <<locked>> | 98% | 40,466 psi | 67% | 2441 fps | 95.9% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,615 psi | 46% | 1434 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 45,136 psi | 75% | 2425 fps | 98.5% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 50,792 psi | 84% | 2582 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 41,133 psi | 68% | 2467 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 34,650 psi | 58% | 2313 fps | 97.6% |
| ReloadSwiss RS 70 | 44.3 gr | 80% | 33,924 psi | 56% | 2316 fps | 96.9% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 37,246 psi | 62% | 2448 fps | 95.4% |
| Rottweil R 902 | <<locked>> | 80% | 48,399 psi | 80% | 2434 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 41,814 psi | 69% | 2379 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 45,818 psi | 76% | 2457 fps | 95.3% |
| Rottweil R 905 | <<locked>> | 90% | 39,914 psi | 66% | 2405 fps | 95.2% |
| Rottweil R 907 | <<locked>> | 80% | 39,378 psi | 65% | 2310 fps | 96% |
| Shooters World Long Rifle | <<locked>> | 80% | 38,421 psi | 64% | 2297 fps | 97.6% |
| Shooters World Precision | <<locked>> | 80% | 46,398 psi | 77% | 2421 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 36,492 psi | 61% | 2277 fps | 96% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 42,772 psi | 71% | 2425 fps | 99.9% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 50,154 psi | 83% | 2500 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 43,482 psi | 72% | 2297 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 37,579 psi | 62% | 2244 fps | 96.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 39,523 psi | 66% | 2402 fps | 95.1% |
| Somchem S355 | <<locked>> | 80% | 42,409 psi | 70% | 2379 fps | 100% |
| Somchem S361 | <<locked>> | 94% | 50,111 psi | 83% | 2503 fps | 95.4% |
| Somchem S365 | <<locked>> | 80% | 31,575 psi | 52% | 2257 fps | 99.5% |
| Somchem S385 | <<locked>> | 88% | 38,000 psi | 63% | 2343 fps | 95.6% |
| Vihtavuori N135 | <<locked>> | 80% | 48,370 psi | 80% | 2398 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 48,573 psi | 81% | 2411 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 40,292 psi | 67% | 2316 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 36,405 psi | 60% | 2293 fps | 98.2% |
| Vihtavuori N165 | <<locked>> | 94% | 39,987 psi | 66% | 2372 fps | 95.7% |
| Vihtavuori N540 | <<locked>> | 80% | 46,934 psi | 78% | 2411 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 35,824 psi | 60% | 2297 fps | 97.9% |
| Vihtavuori N555 | <<locked>> | 80% | 27,412 psi | 46% | 2156 fps | 95.9% |
| Vihtavuori N560 | <<locked>> | 96% | 46,731 psi | 78% | 2582 fps | 95% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 35,462 psi | 59% | 2264 fps | 99.5% |
| Winchester 760 | <<locked>> | 80% | 37,086 psi | 62% | 2339 fps | 96% |
| Winchester StaBALL HD | <<locked>> | 82% | 23,612 psi | 39% | 2103 fps | 95% |
| Winchester StaBALL Match | <<locked>> | 80% | 49,995 psi | 83% | 2507 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 42,946 psi | 71% | 2431 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 92 powders for 7 x 64 Brenneke loaded with the .284 | 175gr | Sierra GameKing. Alliant Reloder-26 delivers the highest muzzle velocity at 2,749 fps; across all powders the maximum-charge window runs from 1,568 fps to 2,749 fps. Accurate 3100 gives the best case fill at 100 %, and 92 of the 92 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 175.0 gr projectile in 0.284" calls for a 1:10.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2213, Alliant Reloder-22 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. Alliant Reloder-26, ReloadSwiss RS 70, Hodgdon Superformance rank at the top here: for 7 x 64 Brenneke with the .284 | 175gr | 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.