Load Specifications
Load data in caliber 7 x 64 Brenneke with .284 | 174gr | Prvi Partizan SP bullet and 90 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-26 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>> | 82% | 52,634 psi | 87% | 2470 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 54,157 psi | 90% | 2536 fps | 98.8% |
| Accurate 3100ᴾ | <<locked>> | 100% | 50,792 psi | 84% | 2572 fps | 99.5% |
| Accurate 4064 | <<locked>> | 84% | 53,229 psi | 88% | 2523 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 53,359 psi | 89% | 2621 fps | 100% |
| Accurate MAGPROᴾ | <<locked>> | 100% | 52,504 psi | 87% | 2697 fps | 95.9% |
| ADI AR 2208 | <<locked>> | 86% | 53,519 psi | 89% | 2552 fps | 100% |
| ADI AR 2209 | <<locked>> | 96% | 50,937 psi | 85% | 2608 fps | 97.7% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 52,054 psi | 86% | 2651 fps | 96.6% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 52,112 psi | 87% | 2657 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 54,157 psi | 90% | 2572 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 54,157 psi | 90% | 2589 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 54,012 psi | 90% | 2667 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 51,488 psi | 86% | 2641 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 53,388 psi | 89% | 2644 fps | 98.2% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 50,633 psi | 84% | 2651 fps | 98% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 47,572 psi | 79% | 2589 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 41,684 psi | 69% | 2520 fps | 98.9% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 54,244 psi | 90% | 2766 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 46,311 psi | 77% | 2575 fps | 96.9% |
| Bofors RP3 | <<locked>> | 84% | 51,155 psi | 85% | 2539 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 50,633 psi | 84% | 2651 fps | 98% |
| Bofors RP7 | <<locked>> | 90% | 54,143 psi | 90% | 2572 fps | 99% |
| Hodgdon H380 | <<locked>> | 84% | 51,721 psi | 86% | 2556 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 90% | 51,866 psi | 86% | 2615 fps | 99.2% |
| Hodgdon H4350 | <<locked>> | 88% | 52,344 psi | 87% | 2582 fps | 98.3% |
| Hodgdon H4831 | <<locked>> | 98% | 51,982 psi | 86% | 2598 fps | 96% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 54,201 psi | 90% | 2598 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 52,721 psi | 88% | 2585 fps | 100% |
| Hodgdon Superformance | <<locked>> | 90% | 51,837 psi | 86% | 2651 fps | 99% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,347 psi | 60% | 1581 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 53,679 psi | 89% | 2552 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 52,794 psi | 88% | 2533 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 82% | 52,170 psi | 87% | 2516 fps | 99.1% |
| IMR 4350 | <<locked>> | 92% | 51,663 psi | 86% | 2556 fps | 98.7% |
| IMR 4451 Enduron | <<locked>> | 88% | 52,634 psi | 87% | 2552 fps | 99.1% |
| IMR 4831 | <<locked>> | 94% | 53,722 psi | 89% | 2612 fps | 100% |
| IMR 4895 | <<locked>> | 82% | 52,315 psi | 87% | 2569 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 98% | 54,099 psi | 90% | 2595 fps | 96.6% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 49,342 psi | 82% | 2621 fps | 96.1% |
| Lovex S062 | <<locked>> | 84% | 52,982 psi | 88% | 2526 fps | 100% |
| Lovex S065 | <<locked>> | 90% | 52,620 psi | 87% | 2549 fps | 99.7% |
| Lovex S070 | <<locked>> | 92% | 53,519 psi | 89% | 2585 fps | 99.4% |
| Lovex S071ᴾ | <<locked>> | 100% | 42,192 psi | 70% | 2434 fps | 98.3% |
| Norma 201 | <<locked>> | 82% | 54,317 psi | 90% | 2536 fps | 100% |
| Norma 203B | <<locked>> | 84% | 53,447 psi | 89% | 2575 fps | 100% |
| Norma 204 | <<locked>> | 92% | 51,793 psi | 86% | 2598 fps | 97.7% |
| Norma MRPᴾ | <<locked>> | 100% | 53,548 psi | 89% | 2726 fps | 99.4% |
| Norma URP | <<locked>> | 92% | 52,040 psi | 86% | 2602 fps | 100% |
| Ramshot Big Game | <<locked>> | 84% | 54,012 psi | 90% | 2602 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 49,371 psi | 82% | 2631 fps | 96.5% |
| Ramshot Hunter | <<locked>> | 94% | 54,172 psi | 90% | 2654 fps | 99.8% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 43,932 psi | 73% | 2520 fps | 97% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,869 psi | 61% | 1617 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 51,648 psi | 86% | 2539 fps | 99.4% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 51,155 psi | 85% | 2635 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 52,982 psi | 88% | 2641 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 51,474 psi | 86% | 2664 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 40,437 psi | 67% | 2533 fps | 96.9% |
| Rottweil R 902 | <<locked>> | 82% | 51,764 psi | 86% | 2493 fps | 100% |
| Rottweil R 903 | <<locked>> | 86% | 51,372 psi | 85% | 2536 fps | 100% |
| Rottweil R 904 | <<locked>> | 96% | 52,808 psi | 88% | 2582 fps | 97% |
| Rottweil R 905 | <<locked>> | 98% | 52,489 psi | 87% | 2631 fps | 98.2% |
| Rottweil R 907 | <<locked>> | 90% | 54,143 psi | 90% | 2572 fps | 99% |
| Shooters World Long Rifle | <<locked>> | 90% | 52,620 psi | 87% | 2549 fps | 99.7% |
| Shooters World Precision | <<locked>> | 84% | 52,982 psi | 88% | 2526 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 53,519 psi | 89% | 2585 fps | 99.4% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 52,808 psi | 88% | 2592 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 54,070 psi | 90% | 2566 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 52,678 psi | 88% | 2434 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 52,141 psi | 87% | 2503 fps | 99.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 52,011 psi | 86% | 2628 fps | 98.1% |
| Somchem S355 | <<locked>> | 86% | 51,503 psi | 86% | 2533 fps | 100% |
| Somchem S361 | <<locked>> | 96% | 54,331 psi | 90% | 2575 fps | 96.4% |
| Somchem S365 | <<locked>> | 94% | 51,184 psi | 85% | 2608 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 53,345 psi | 89% | 2612 fps | 98.9% |
| Vihtavuori N135 | <<locked>> | 82% | 51,953 psi | 86% | 2457 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 52,228 psi | 87% | 2474 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 52,460 psi | 87% | 2510 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 54,418 psi | 90% | 2602 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 49,182 psi | 82% | 2539 fps | 97.9% |
| Vihtavuori N540 | <<locked>> | 84% | 53,722 psi | 89% | 2513 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 53,301 psi | 89% | 2605 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 53,505 psi | 89% | 2661 fps | 100% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 54,085 psi | 90% | 2717 fps | 96.9% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 53,925 psi | 90% | 2572 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 52,199 psi | 87% | 2618 fps | 99.2% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 42,917 psi | 71% | 2641 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 53,998 psi | 90% | 2572 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 53,388 psi | 89% | 2608 fps | 98.1% |
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% | 49,516 psi | 82% | 2428 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 47,587 psi | 79% | 2434 fps | 97.8% |
| Accurate 3100 | <<locked>> | 86% | 31,676 psi | 53% | 2224 fps | 95.1% |
| Accurate 4064 | <<locked>> | 80% | 46,862 psi | 78% | 2434 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 35,360 psi | 59% | 2313 fps | 98.1% |
| Accurate MAGPRO | <<locked>> | 98% | 49,023 psi | 81% | 2641 fps | 95% |
| ADI AR 2208 | <<locked>> | 80% | 44,527 psi | 74% | 2411 fps | 99.8% |
| ADI AR 2209 | <<locked>> | 90% | 42,134 psi | 70% | 2451 fps | 95.5% |
| ADI AR 2213 | <<locked>> | 98% | 48,631 psi | 81% | 2595 fps | 95.8% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 48,675 psi | 81% | 2608 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 44,686 psi | 74% | 2434 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 47,761 psi | 79% | 2493 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 34,766 psi | 58% | 2323 fps | 98.2% |
| Alliant Reloder-17 | <<locked>> | 80% | 39,204 psi | 65% | 2438 fps | 99.9% |
| Alliant Reloder-19 | <<locked>> | 90% | 41,539 psi | 69% | 2444 fps | 95.5% |
| Alliant Reloder-22 | <<locked>> | 94% | 41,611 psi | 69% | 2490 fps | 95.7% |
| Alliant Reloder-23 | <<locked>> | 80% | 25,454 psi | 42% | 2103 fps | 95.9% |
| Alliant Reloder-25 | <<locked>> | 92% | 32,518 psi | 54% | 2310 fps | 95.9% |
| Alliant Reloder-26 | 47.7 gr | 84% | 30,864 psi | 51% | 2313 fps | 96.1% |
| Bofors RP15 | <<locked>> | 96% | 40,756 psi | 68% | 2470 fps | 95.3% |
| Bofors RP3 | <<locked>> | 80% | 44,976 psi | 75% | 2444 fps | 100% |
| Bofors RP5 | <<locked>> | 94% | 41,611 psi | 69% | 2490 fps | 95.7% |
| Bofors RP7 | <<locked>> | 80% | 39,682 psi | 66% | 2326 fps | 96.1% |
| Hodgdon H380 | <<locked>> | 80% | 45,223 psi | 75% | 2451 fps | 99.5% |
| Hodgdon H414 | <<locked>> | 80% | 37,333 psi | 62% | 2356 fps | 96.1% |
| Hodgdon H4350 | <<locked>> | 80% | 40,509 psi | 67% | 2375 fps | 95.6% |
| Hodgdon H4831 | <<locked>> | 96% | 48,878 psi | 81% | 2549 fps | 95.2% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 32,430 psi | 54% | 2231 fps | 98.8% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 49,342 psi | 82% | 2536 fps | 100% |
| Hodgdon Superformance | 46.8 gr | 80% | 36,274 psi | 60% | 2362 fps | 95.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,064 psi | 45% | 1407 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 50,575 psi | 84% | 2507 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 46,789 psi | 78% | 2441 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 48,921 psi | 81% | 2467 fps | 98.6% |
| IMR 4350 | <<locked>> | 82% | 37,956 psi | 63% | 2316 fps | 95.6% |
| IMR 4451 Enduron | <<locked>> | 80% | 41,133 psi | 68% | 2356 fps | 97% |
| IMR 4831 | <<locked>> | 80% | 34,258 psi | 57% | 2277 fps | 97.9% |
| IMR 4895 | <<locked>> | 80% | 48,994 psi | 81% | 2520 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 47,776 psi | 79% | 2497 fps | 95.2% |
| IMR 7828 SSC | <<locked>> | 98% | 46,383 psi | 77% | 2569 fps | 95.3% |
| Lovex S062 | <<locked>> | 80% | 47,007 psi | 78% | 2441 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 38,711 psi | 64% | 2313 fps | 97.7% |
| Lovex S070 | <<locked>> | 80% | 37,014 psi | 61% | 2297 fps | 96.2% |
| Lovex S071 | <<locked>> | 92% | 32,721 psi | 54% | 2247 fps | 95.6% |
| Norma 201 | <<locked>> | 80% | 51,184 psi | 85% | 2490 fps | 100% |
| Norma 203B | <<locked>> | 80% | 47,137 psi | 78% | 2484 fps | 100% |
| Norma 204 | <<locked>> | 86% | 42,583 psi | 71% | 2441 fps | 95.6% |
| Norma MRP | <<locked>> | 88% | 35,679 psi | 59% | 2395 fps | 95.2% |
| Norma URP | <<locked>> | 80% | 35,462 psi | 59% | 2313 fps | 98% |
| Ramshot Big Game | <<locked>> | 80% | 47,340 psi | 79% | 2507 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 46,006 psi | 76% | 2572 fps | 95.5% |
| Ramshot Hunter | <<locked>> | 80% | 34,258 psi | 57% | 2300 fps | 95.9% |
| Ramshot Magnum | <<locked>> | 96% | 38,189 psi | 63% | 2405 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,601 psi | 46% | 1444 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 45,368 psi | 75% | 2438 fps | 98.5% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 41,669 psi | 69% | 2487 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 34,940 psi | 58% | 2329 fps | 97.7% |
| ReloadSwiss RS 70 | 45 gr | 80% | 34,330 psi | 57% | 2336 fps | 97% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 37,811 psi | 63% | 2470 fps | 95.8% |
| Rottweil R 902 | <<locked>> | 80% | 48,747 psi | 81% | 2451 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 42,438 psi | 71% | 2398 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 46,485 psi | 77% | 2480 fps | 95.5% |
| Rottweil R 905 | <<locked>> | 90% | 40,350 psi | 67% | 2425 fps | 95.4% |
| Rottweil R 907 | <<locked>> | 80% | 39,682 psi | 66% | 2326 fps | 96.1% |
| Shooters World Long Rifle | <<locked>> | 80% | 38,711 psi | 64% | 2313 fps | 97.7% |
| Shooters World Precision | <<locked>> | 80% | 47,007 psi | 78% | 2441 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 37,014 psi | 61% | 2297 fps | 96.2% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 43,308 psi | 72% | 2444 fps | 99.9% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 50,720 psi | 84% | 2520 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 43,845 psi | 73% | 2313 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 37,797 psi | 63% | 2260 fps | 96.2% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 39,972 psi | 66% | 2418 fps | 95.3% |
| Somchem S355 | <<locked>> | 80% | 42,772 psi | 71% | 2395 fps | 100% |
| Somchem S361 | <<locked>> | 94% | 50,952 psi | 85% | 2526 fps | 95.7% |
| Somchem S365 | <<locked>> | 80% | 31,865 psi | 53% | 2274 fps | 99.6% |
| Somchem S385 | <<locked>> | 88% | 38,667 psi | 64% | 2365 fps | 95.8% |
| Vihtavuori N135 | <<locked>> | 80% | 48,820 psi | 81% | 2415 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 49,197 psi | 82% | 2431 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 40,857 psi | 68% | 2336 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 36,709 psi | 61% | 2310 fps | 98.3% |
| Vihtavuori N165 | <<locked>> | 92% | 37,956 psi | 63% | 2343 fps | 95% |
| Vihtavuori N540 | <<locked>> | 80% | 47,253 psi | 79% | 2425 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 36,114 psi | 60% | 2310 fps | 98% |
| Vihtavuori N555 | <<locked>> | 80% | 27,717 psi | 46% | 2172 fps | 96.1% |
| Vihtavuori N560 | <<locked>> | 96% | 47,326 psi | 79% | 2605 fps | 95.2% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 35,839 psi | 60% | 2283 fps | 99.6% |
| Winchester 760 | <<locked>> | 80% | 37,565 psi | 62% | 2359 fps | 96.2% |
| Winchester StaBALL HD | <<locked>> | 82% | 23,917 psi | 40% | 2126 fps | 95.3% |
| Winchester StaBALL Match | <<locked>> | 80% | 50,575 psi | 84% | 2523 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 40,625 psi | 67% | 2398 fps | 95.1% |
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 | 174gr | Prvi Partizan SP. Alliant Reloder-26 delivers the highest muzzle velocity at 2,766 fps; across all powders the maximum-charge window runs from 1,581 fps to 2,766 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 55–90 %, leaving at least 10 % headroom. The 174.0 gr projectile in 0.284" calls for a 1:11.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate MAGPRO, 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-26, Hodgdon Superformance rank at the top here: for 7 x 64 Brenneke with the .284 | 174gr | Prvi Partizan SP they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2217, ADI AR 2225, Baschieri & Pellagri 109 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.