Load Specifications
Load data in caliber 7 x 64 Brenneke with .284 | 175gr | A-Square MONO RN bullet and 80 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Norma MRP, Vihtavuori N560 and Alliant Reloder-26.
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 3100 | <<locked>> | 98% | 52,315 psi | 87% | 2608 fps | 99.8% |
| Accurate 4064 | <<locked>> | 82% | 53,983 psi | 90% | 2543 fps | 100% |
| Accurate 4350 | <<locked>> | 88% | 50,923 psi | 85% | 2598 fps | 100% |
| Accurate MAGPRO | <<locked>> | 96% | 50,836 psi | 84% | 2690 fps | 96.2% |
| ADI AR 2208 | <<locked>> | 84% | 53,969 psi | 90% | 2579 fps | 100% |
| ADI AR 2209 | <<locked>> | 94% | 51,996 psi | 86% | 2644 fps | 98.4% |
| ADI AR 2213 | <<locked>> | 98% | 53,200 psi | 88% | 2697 fps | 97.6% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 36,463 psi | 61% | 2431 fps | 96.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 51,517 psi | 86% | 2552 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 90% | 52,112 psi | 87% | 2657 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 86% | 52,852 psi | 88% | 2671 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 94% | 51,503 psi | 86% | 2635 fps | 98.4% |
| Alliant Reloder-22 | <<locked>> | 98% | 52,301 psi | 87% | 2694 fps | 98.7% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 52,634 psi | 87% | 2671 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 45,876 psi | 76% | 2618 fps | 99.8% |
| Alliant Reloder-26 | <<locked>> | 96% | 52,620 psi | 87% | 2753 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 51,242 psi | 85% | 2674 fps | 98.4% |
| Bofors RP3 | <<locked>> | 82% | 51,924 psi | 86% | 2562 fps | 100% |
| Bofors RP5 | <<locked>> | 98% | 52,301 psi | 87% | 2694 fps | 98.7% |
| Bofors RP7 | <<locked>> | 86% | 51,517 psi | 86% | 2556 fps | 99% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 45,353 psi | 75% | 2556 fps | 96.5% |
| Hodgdon H380 | <<locked>> | 82% | 52,156 psi | 87% | 2579 fps | 100% |
| Hodgdon H414 | <<locked>> | 88% | 53,243 psi | 88% | 2651 fps | 99.6% |
| Hodgdon H4350 | <<locked>> | 86% | 52,808 psi | 88% | 2608 fps | 98.8% |
| Hodgdon H4831 | <<locked>> | 96% | 53,301 psi | 89% | 2644 fps | 97% |
| Hodgdon H4831 SC | <<locked>> | 96% | 52,054 psi | 86% | 2625 fps | 96.7% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 52,199 psi | 87% | 2582 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 44,875 psi | 75% | 2654 fps | 98% |
| Hodgdon Superformance | <<locked>> | 88% | 52,953 psi | 88% | 2684 fps | 99.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,622 psi | 61% | 1611 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 53,447 psi | 89% | 2559 fps | 100% |
| IMR 4350 | <<locked>> | 90% | 52,446 psi | 87% | 2589 fps | 99.2% |
| IMR 4451 Enduron | <<locked>> | 86% | 52,968 psi | 88% | 2579 fps | 99.4% |
| IMR 4831 | <<locked>> | 90% | 51,764 psi | 86% | 2598 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 51,590 psi | 86% | 2582 fps | 96.8% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 54,012 psi | 90% | 2720 fps | 97.9% |
| Lovex S062 | <<locked>> | 82% | 53,751 psi | 89% | 2552 fps | 100% |
| Lovex S065 | <<locked>> | 88% | 53,345 psi | 89% | 2582 fps | 99.9% |
| Lovex S070 | <<locked>> | 90% | 54,418 psi | 90% | 2618 fps | 99.7% |
| Lovex S071ᴾ | <<locked>> | 100% | 46,775 psi | 78% | 2526 fps | 99.4% |
| Norma 203B | <<locked>> | 82% | 54,085 psi | 90% | 2602 fps | 100% |
| Norma 204 | <<locked>> | 90% | 53,026 psi | 88% | 2638 fps | 98.4% |
| Norma MRP | <<locked>> | 96% | 51,692 psi | 86% | 2713 fps | 99.5% |
| Norma URP | <<locked>> | 90% | 53,258 psi | 88% | 2638 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 50,821 psi | 84% | 2680 fps | 97.6% |
| Ramshot Hunter | <<locked>> | 90% | 52,170 psi | 87% | 2641 fps | 99.8% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 48,544 psi | 81% | 2621 fps | 98.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,405 psi | 62% | 1650 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 52,127 psi | 87% | 2569 fps | 99.7% |
| ReloadSwiss RS 60 | <<locked>> | 84% | 52,330 psi | 87% | 2661 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 54,288 psi | 90% | 2674 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 90% | 52,649 psi | 87% | 2697 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 44,672 psi | 74% | 2648 fps | 98.8% |
| Rottweil R 903 | <<locked>> | 84% | 52,112 psi | 87% | 2562 fps | 100% |
| Rottweil R 904 | <<locked>> | 94% | 53,577 psi | 89% | 2618 fps | 97.7% |
| Rottweil R 905 | <<locked>> | 96% | 54,114 psi | 90% | 2674 fps | 98.9% |
| Rottweil R 907 | <<locked>> | 86% | 51,517 psi | 86% | 2556 fps | 99% |
| Shooters World Long Rifle | <<locked>> | 88% | 53,345 psi | 89% | 2582 fps | 99.9% |
| Shooters World Precision | <<locked>> | 82% | 53,751 psi | 89% | 2552 fps | 100% |
| Shooters World SW4350 | <<locked>> | 90% | 54,418 psi | 90% | 2618 fps | 99.7% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 53,519 psi | 89% | 2618 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 53,214 psi | 88% | 2457 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 52,823 psi | 88% | 2536 fps | 99.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 53,650 psi | 89% | 2671 fps | 98.8% |
| Somchem S355 | <<locked>> | 84% | 52,141 psi | 87% | 2556 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 51,517 psi | 86% | 2559 fps | 96.5% |
| Somchem S365 | <<locked>> | 92% | 52,620 psi | 87% | 2638 fps | 100% |
| Somchem S385 | <<locked>> | 94% | 51,445 psi | 85% | 2602 fps | 99% |
| Vihtavuori N150 | <<locked>> | 86% | 53,388 psi | 89% | 2536 fps | 100% |
| Vihtavuori N160 | <<locked>> | 88% | 51,808 psi | 86% | 2582 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 54,027 psi | 90% | 2628 fps | 99.1% |
| Vihtavuori N540 | <<locked>> | 82% | 54,056 psi | 90% | 2533 fps | 100% |
| Vihtavuori N550 | <<locked>> | 90% | 54,447 psi | 90% | 2638 fps | 100% |
| Vihtavuori N555 | <<locked>> | 96% | 51,866 psi | 86% | 2651 fps | 100% |
| Vihtavuori N560 | <<locked>> | 96% | 52,025 psi | 86% | 2707 fps | 97.1% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 47,427 psi | 79% | 2618 fps | 96.3% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 51,271 psi | 85% | 2552 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 53,243 psi | 88% | 2651 fps | 99.6% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 47,892 psi | 80% | 2736 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 51,198 psi | 85% | 2595 fps | 98.3% |
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 3100 | <<locked>> | 82% | 30,618 psi | 51% | 2208 fps | 95.3% |
| Accurate 4064 | <<locked>> | 80% | 50,778 psi | 84% | 2500 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 38,972 psi | 65% | 2398 fps | 99.2% |
| Accurate MAGPRO | <<locked>> | 94% | 47,123 psi | 78% | 2625 fps | 95.2% |
| ADI AR 2208 | <<locked>> | 80% | 47,761 psi | 79% | 2484 fps | 100% |
| ADI AR 2209 | <<locked>> | 86% | 40,001 psi | 66% | 2431 fps | 95.6% |
| ADI AR 2213 | <<locked>> | 92% | 43,511 psi | 72% | 2526 fps | 95.1% |
| ADI AR 2225 | <<locked>> | 98% | 34,360 psi | 57% | 2379 fps | 95.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 48,182 psi | 80% | 2503 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 37,768 psi | 63% | 2405 fps | 99.3% |
| Alliant Reloder-17 | <<locked>> | 80% | 42,830 psi | 71% | 2516 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 39,813 psi | 66% | 2428 fps | 95.7% |
| Alliant Reloder-22 | <<locked>> | 88% | 37,536 psi | 62% | 2421 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 80% | 27,804 psi | 46% | 2188 fps | 97.7% |
| Alliant Reloder-25 | <<locked>> | 86% | 29,443 psi | 49% | 2244 fps | 95% |
| Alliant Reloder-26 | 49 gr | 80% | 29,602 psi | 49% | 2290 fps | 96.2% |
| Bofors RP15 | <<locked>> | 92% | 39,624 psi | 66% | 2467 fps | 95.6% |
| Bofors RP3 | <<locked>> | 80% | 48,791 psi | 81% | 2516 fps | 100% |
| Bofors RP5 | <<locked>> | 88% | 37,536 psi | 62% | 2421 fps | 95% |
| Bofors RP7 | <<locked>> | 80% | 42,656 psi | 71% | 2405 fps | 97.5% |
| Hodgdon H1000 | <<locked>> | 98% | 42,525 psi | 71% | 2503 fps | 95.6% |
| Hodgdon H380 | <<locked>> | 80% | 49,052 psi | 81% | 2533 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 80% | 40,843 psi | 68% | 2441 fps | 97.6% |
| Hodgdon H4350 | <<locked>> | 80% | 43,758 psi | 73% | 2457 fps | 97.1% |
| Hodgdon H4831 | <<locked>> | 92% | 46,412 psi | 77% | 2530 fps | 95.3% |
| Hodgdon H4831 SC | <<locked>> | 92% | 45,600 psi | 76% | 2516 fps | 95.1% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 35,389 psi | 59% | 2306 fps | 99.6% |
| Hodgdon Retumbo | <<locked>> | 94% | 37,144 psi | 62% | 2477 fps | 95.1% |
| Hodgdon Superformance | <<locked>> | 80% | 39,552 psi | 66% | 2451 fps | 96.9% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,485 psi | 46% | 1440 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 50,270 psi | 84% | 2513 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 38,305 psi | 64% | 2339 fps | 96.3% |
| IMR 4451 Enduron | <<locked>> | 80% | 44,019 psi | 73% | 2431 fps | 98.2% |
| IMR 4831 | <<locked>> | 80% | 37,391 psi | 62% | 2352 fps | 99% |
| IMR 4955 Enduron | <<locked>> | 90% | 45,513 psi | 76% | 2477 fps | 95.3% |
| IMR 7828 SSC | <<locked>> | 94% | 44,396 psi | 74% | 2556 fps | 95.5% |
| Lovex S062 | <<locked>> | 80% | 50,575 psi | 84% | 2510 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 41,727 psi | 69% | 2388 fps | 98.8% |
| Lovex S070 | <<locked>> | 80% | 39,972 psi | 66% | 2372 fps | 97.6% |
| Lovex S071 | <<locked>> | 88% | 31,923 psi | 53% | 2238 fps | 95.8% |
| Norma 203B | <<locked>> | 80% | 50,908 psi | 85% | 2556 fps | 100% |
| Norma 204 | <<locked>> | 82% | 40,567 psi | 67% | 2421 fps | 95.7% |
| Norma MRP | 50 gr | 84% | 34,360 psi | 57% | 2379 fps | 95.3% |
| Norma URP | <<locked>> | 80% | 38,653 psi | 64% | 2388 fps | 99.1% |
| Ramshot Grand | <<locked>> | 94% | 44,048 psi | 73% | 2562 fps | 95.8% |
| Ramshot Hunter | <<locked>> | 80% | 37,478 psi | 62% | 2382 fps | 97.5% |
| Ramshot Magnum | <<locked>> | 92% | 36,463 psi | 61% | 2392 fps | 95.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,021 psi | 47% | 1473 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 48,849 psi | 81% | 2516 fps | 99.4% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 45,498 psi | 76% | 2562 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 38,740 psi | 64% | 2415 fps | 99% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 37,463 psi | 62% | 2425 fps | 98.6% |
| ReloadSwiss RS 76 | <<locked>> | 94% | 36,216 psi | 60% | 2457 fps | 96% |
| Rottweil R 903 | <<locked>> | 80% | 45,948 psi | 76% | 2470 fps | 100% |
| Rottweil R 904 | <<locked>> | 88% | 44,251 psi | 74% | 2464 fps | 95.6% |
| Rottweil R 905 | <<locked>> | 86% | 38,885 psi | 65% | 2411 fps | 95.6% |
| Rottweil R 907 | <<locked>> | 80% | 42,656 psi | 71% | 2405 fps | 97.5% |
| Shooters World Long Rifle | <<locked>> | 80% | 41,727 psi | 69% | 2388 fps | 98.8% |
| Shooters World Precision | <<locked>> | 80% | 50,575 psi | 84% | 2510 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 39,972 psi | 66% | 2372 fps | 97.6% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 47,079 psi | 78% | 2520 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 46,992 psi | 78% | 2372 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 40,799 psi | 68% | 2336 fps | 97.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 38,522 psi | 64% | 2405 fps | 95.4% |
| Somchem S355 | <<locked>> | 80% | 46,137 psi | 77% | 2467 fps | 100% |
| Somchem S361 | <<locked>> | 88% | 45,266 psi | 75% | 2457 fps | 95% |
| Somchem S365 | <<locked>> | 80% | 35,041 psi | 58% | 2349 fps | 100% |
| Somchem S385 | <<locked>> | 82% | 34,664 psi | 58% | 2293 fps | 95% |
| Vihtavuori N150 | <<locked>> | 80% | 44,063 psi | 73% | 2402 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 40,045 psi | 67% | 2388 fps | 99.3% |
| Vihtavuori N165 | <<locked>> | 88% | 36,347 psi | 60% | 2326 fps | 95.2% |
| Vihtavuori N540 | <<locked>> | 80% | 50,908 psi | 85% | 2490 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 39,465 psi | 66% | 2392 fps | 99.1% |
| Vihtavuori N555 | <<locked>> | 80% | 30,806 psi | 51% | 2257 fps | 97.7% |
| Vihtavuori N560 | 54.7 gr | 92% | 45,411 psi | 75% | 2589 fps | 95.4% |
| Vihtavuori N565 | <<locked>> | 98% | 44,512 psi | 74% | 2569 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 39,059 psi | 65% | 2362 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 40,843 psi | 68% | 2441 fps | 97.6% |
| Winchester StaBALL HD | <<locked>> | 80% | 24,569 psi | 41% | 2169 fps | 96.9% |
| Winchester Supreme 780 | <<locked>> | 88% | 38,827 psi | 65% | 2382 fps | 95.3% |
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 86 powders for 7 x 64 Brenneke loaded with the .284 | 175gr | A-Square MONO RN. Alliant Reloder-26 delivers the highest muzzle velocity at 2,753 fps; across all powders the maximum-charge window runs from 1,611 fps to 2,753 fps. ADI AR 2217 gives the best case fill at 100 %, and 86 of the 86 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (415 MPa), the top charges use 53–90 %, leaving at least 10 % headroom. The 175.0 gr projectile in 0.284" calls for a 1:16.5 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, Alliant Reloder-23 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. Norma MRP, Vihtavuori N560, Alliant Reloder-26 rank at the top here: for 7 x 64 Brenneke with the .284 | 175gr | A-Square MONO RN they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2217, Baschieri & Pellagri 109, Norma 217 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.