Load Specifications
Load data in caliber 7 mm PRC with .284 | 168gr | Berger Classic Hybrid Hunter bullet and 79 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Winchester StaBALL HD, Vihtavuori N560 and Norma MRP.
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 3100 | <<locked>> | 96% | 58,291 psi | 90% | 2825 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 55,695 psi | 86% | 2799 fps | 100% |
| Accurate High Country | <<locked>> | 92% | 55,898 psi | 86% | 2917 fps | 99.1% |
| Accurate MAGPRO | <<locked>> | 94% | 56,594 psi | 87% | 2920 fps | 98.3% |
| ADI AR 2208 | <<locked>> | 82% | 56,913 psi | 88% | 2756 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 56,536 psi | 87% | 2854 fps | 99.6% |
| ADI AR 2213 | <<locked>> | 96% | 58,117 psi | 89% | 2920 fps | 99.2% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 48,472 psi | 75% | 2759 fps | 98% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 43,163 psi | 66% | 2720 fps | 99.4% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 56,623 psi | 87% | 2851 fps | 99.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 58,247 psi | 90% | 2779 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 88% | 56,594 psi | 87% | 2851 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 58,001 psi | 89% | 2867 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 92% | 55,970 psi | 86% | 2844 fps | 99.6% |
| Alliant Reloder-22 | <<locked>> | 96% | 58,015 psi | 89% | 2913 fps | 99.8% |
| Alliant Reloder-23 | <<locked>> | 96% | 55,259 psi | 85% | 2825 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 54,549 psi | 84% | 2887 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 92% | 55,651 psi | 86% | 2917 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 96% | 56,057 psi | 86% | 2822 fps | 96.4% |
| Bofors RP15 | <<locked>> | 98% | 56,869 psi | 87% | 2897 fps | 99.7% |
| Bofors RP30ᴾ | <<locked>> | 100% | 50,662 psi | 78% | 2831 fps | 98.7% |
| Bofors RP5 | <<locked>> | 96% | 58,015 psi | 89% | 2913 fps | 99.8% |
| Bofors RP7 | <<locked>> | 86% | 58,334 psi | 90% | 2802 fps | 99.9% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 53,388 psi | 82% | 2844 fps | 99.3% |
| Hodgdon H414 | <<locked>> | 86% | 57,595 psi | 89% | 2854 fps | 100% |
| Hodgdon H4350 | <<locked>> | 84% | 56,550 psi | 87% | 2808 fps | 99.7% |
| Hodgdon H4831 | <<locked>> | 94% | 57,957 psi | 89% | 2858 fps | 98.7% |
| Hodgdon H4831 SC | <<locked>> | 94% | 56,840 psi | 87% | 2841 fps | 98.5% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 57,014 psi | 88% | 2776 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 53,345 psi | 82% | 2953 fps | 99.9% |
| Hodgdon Superformance | <<locked>> | 86% | 58,073 psi | 89% | 2894 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,014 psi | 57% | 1739 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 56,260 psi | 87% | 2789 fps | 99.9% |
| IMR 4451 Enduron | <<locked>> | 84% | 56,144 psi | 86% | 2769 fps | 100% |
| IMR 4831 | <<locked>> | 88% | 56,101 psi | 86% | 2789 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 58,798 psi | 90% | 2838 fps | 98.9% |
| IMR 7828 SSC | <<locked>> | 96% | 55,651 psi | 86% | 2894 fps | 99% |
| Lovex S065 | <<locked>> | 86% | 56,826 psi | 87% | 2769 fps | 100% |
| Lovex S070 | <<locked>> | 88% | 58,552 psi | 90% | 2818 fps | 100% |
| Lovex S071ᴾ | <<locked>> | 100% | 55,463 psi | 85% | 2785 fps | 100% |
| Norma 204 | <<locked>> | 88% | 57,363 psi | 88% | 2844 fps | 99.6% |
| Norma 217ᴾ | <<locked>> | 100% | 38,754 psi | 60% | 2648 fps | 97.8% |
| Norma MRP | <<locked>> | 94% | 57,928 psi | 89% | 2936 fps | 100% |
| Norma URP | <<locked>> | 88% | 57,986 psi | 89% | 2835 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 56,463 psi | 87% | 2917 fps | 99.3% |
| Ramshot Hunter | <<locked>> | 88% | 56,768 psi | 87% | 2844 fps | 100% |
| Ramshot Magnum | <<locked>> | 98% | 54,636 psi | 84% | 2851 fps | 99.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,956 psi | 58% | 1781 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 57,653 psi | 89% | 2854 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 55,666 psi | 86% | 2822 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 57,928 psi | 89% | 2904 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 54,201 psi | 83% | 2956 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 48,791 psi | 75% | 2835 fps | 97% |
| Rottweil R 903 | <<locked>> | 82% | 56,014 psi | 86% | 2746 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 57,638 psi | 89% | 2825 fps | 99.1% |
| Rottweil R 905 | <<locked>> | 92% | 55,680 psi | 86% | 2835 fps | 99.6% |
| Rottweil R 907 | <<locked>> | 86% | 58,334 psi | 90% | 2802 fps | 99.9% |
| Shooters World Long Rifle | <<locked>> | 86% | 56,826 psi | 87% | 2769 fps | 100% |
| Shooters World SW4350 | <<locked>> | 88% | 58,552 psi | 90% | 2818 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 57,377 psi | 88% | 2802 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 55,927 psi | 86% | 2618 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 56,086 psi | 86% | 2726 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 55,245 psi | 85% | 2831 fps | 99.6% |
| Somchem S355 | <<locked>> | 82% | 55,680 psi | 86% | 2740 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 55,753 psi | 86% | 2769 fps | 98.3% |
| Somchem S365 | <<locked>> | 90% | 58,262 psi | 90% | 2835 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 56,043 psi | 86% | 2808 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 84% | 56,985 psi | 88% | 2713 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 55,927 psi | 86% | 2772 fps | 100% |
| Vihtavuori N165 | <<locked>> | 96% | 55,637 psi | 86% | 2789 fps | 99.7% |
| Vihtavuori N550 | <<locked>> | 86% | 55,172 psi | 85% | 2782 fps | 100% |
| Vihtavuori N555 | <<locked>> | 94% | 57,595 psi | 89% | 2854 fps | 100% |
| Vihtavuori N560 | <<locked>> | 94% | 57,725 psi | 89% | 2933 fps | 98.9% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 57,261 psi | 88% | 2907 fps | 99% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 50,169 psi | 77% | 2844 fps | 96.8% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 55,463 psi | 85% | 2733 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 57,595 psi | 89% | 2854 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 98% | 56,898 psi | 88% | 2963 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 56,072 psi | 86% | 2805 fps | 99.5% |
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>> | 80% | 34,055 psi | 52% | 2398 fps | 97.5% |
| Accurate 4350 | <<locked>> | 80% | 45,701 psi | 70% | 2641 fps | 100% |
| Accurate High Country | <<locked>> | 82% | 39,320 psi | 60% | 2608 fps | 95.4% |
| Accurate MAGPRO | <<locked>> | 86% | 42,714 psi | 66% | 2671 fps | 95% |
| ADI AR 2208 | <<locked>> | 80% | 53,577 psi | 82% | 2710 fps | 100% |
| ADI AR 2209 | <<locked>> | 80% | 38,087 psi | 59% | 2516 fps | 96.1% |
| ADI AR 2213 | <<locked>> | 86% | 41,466 psi | 64% | 2621 fps | 95.8% |
| ADI AR 2217 | <<locked>> | 94% | 39,827 psi | 61% | 2582 fps | 95.5% |
| ADI AR 2225 | <<locked>> | 90% | 31,386 psi | 48% | 2428 fps | 95.2% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 38,464 psi | 59% | 2520 fps | 96.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 54,853 psi | 84% | 2733 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 43,584 psi | 67% | 2644 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 80% | 50,314 psi | 77% | 2759 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 38,116 psi | 59% | 2516 fps | 96.1% |
| Alliant Reloder-22 | <<locked>> | 82% | 36,172 psi | 56% | 2510 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 80% | 32,648 psi | 50% | 2425 fps | 99.7% |
| Alliant Reloder-25 | <<locked>> | 80% | 28,514 psi | 44% | 2336 fps | 95.8% |
| Alliant Reloder-26 | <<locked>> | 80% | 35,476 psi | 55% | 2556 fps | 99.1% |
| Baschieri & Pellagri 109 | <<locked>> | 94% | 52,823 psi | 81% | 2766 fps | 95.7% |
| Bofors RP15 | <<locked>> | 84% | 36,100 psi | 56% | 2507 fps | 95.4% |
| Bofors RP30 | <<locked>> | 92% | 38,522 psi | 59% | 2595 fps | 95.6% |
| Bofors RP5 | <<locked>> | 82% | 36,172 psi | 56% | 2510 fps | 95.6% |
| Bofors RP7 | <<locked>> | 80% | 48,385 psi | 74% | 2644 fps | 99.2% |
| Hodgdon H1000 | <<locked>> | 90% | 38,174 psi | 59% | 2549 fps | 95.6% |
| Hodgdon H414 | <<locked>> | 80% | 47,224 psi | 73% | 2687 fps | 99.4% |
| Hodgdon H4350 | <<locked>> | 80% | 49,864 psi | 77% | 2703 fps | 99% |
| Hodgdon H4831 | <<locked>> | 84% | 41,408 psi | 64% | 2569 fps | 95.1% |
| Hodgdon H4831 SC | <<locked>> | 86% | 43,482 psi | 67% | 2612 fps | 95.7% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 41,249 psi | 63% | 2533 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 86% | 33,779 psi | 52% | 2523 fps | 95% |
| Hodgdon Superformance | <<locked>> | 80% | 46,702 psi | 72% | 2713 fps | 99.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,891 psi | 43% | 1555 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 43,816 psi | 67% | 2579 fps | 98.6% |
| IMR 4451 Enduron | <<locked>> | 80% | 49,617 psi | 76% | 2664 fps | 99.6% |
| IMR 4831 | <<locked>> | 80% | 43,352 psi | 67% | 2589 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 82% | 40,451 psi | 62% | 2516 fps | 95% |
| IMR 7828 SSC | <<locked>> | 86% | 39,842 psi | 61% | 2598 fps | 95.3% |
| Lovex S065 | <<locked>> | 80% | 47,282 psi | 73% | 2618 fps | 99.9% |
| Lovex S070 | <<locked>> | 80% | 45,614 psi | 70% | 2612 fps | 99.3% |
| Lovex S071 | <<locked>> | 80% | 29,327 psi | 45% | 2277 fps | 95.6% |
| Norma 204 | <<locked>> | 80% | 43,642 psi | 67% | 2612 fps | 97.5% |
| Norma 217 | <<locked>> | 94% | 31,894 psi | 49% | 2470 fps | 95% |
| Norma MRP | 56.8 gr | 80% | 35,317 psi | 54% | 2520 fps | 96.8% |
| Norma URP | <<locked>> | 80% | 44,773 psi | 69% | 2628 fps | 100% |
| Ramshot Grand | <<locked>> | 86% | 39,523 psi | 61% | 2605 fps | 95.6% |
| Ramshot Hunter | <<locked>> | 80% | 43,468 psi | 67% | 2625 fps | 99.4% |
| Ramshot Magnum | <<locked>> | 84% | 32,851 psi | 51% | 2428 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,413 psi | 44% | 1591 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 53,476 psi | 82% | 2799 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 45,542 psi | 70% | 2661 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 43,598 psi | 67% | 2677 fps | 99.9% |
| ReloadSwiss RS 76 | <<locked>> | 86% | 32,808 psi | 50% | 2500 fps | 95.9% |
| ReloadSwiss RS 80 | <<locked>> | 96% | 42,148 psi | 65% | 2703 fps | 95% |
| Rottweil R 903 | <<locked>> | 80% | 52,663 psi | 81% | 2697 fps | 100% |
| Rottweil R 904 | <<locked>> | 80% | 39,436 psi | 61% | 2500 fps | 95.3% |
| Rottweil R 905 | <<locked>> | 80% | 37,260 psi | 57% | 2497 fps | 96% |
| Rottweil R 907 | <<locked>> | 80% | 48,385 psi | 74% | 2644 fps | 99.2% |
| Shooters World Long Rifle | <<locked>> | 80% | 47,282 psi | 73% | 2618 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 80% | 45,614 psi | 70% | 2612 fps | 99.3% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 53,780 psi | 83% | 2749 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 52,562 psi | 81% | 2575 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 46,282 psi | 71% | 2569 fps | 99.3% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 36,941 psi | 57% | 2490 fps | 95.9% |
| Somchem S355 | <<locked>> | 80% | 52,402 psi | 81% | 2694 fps | 100% |
| Somchem S361 | <<locked>> | 82% | 42,844 psi | 66% | 2546 fps | 95.5% |
| Somchem S365 | <<locked>> | 80% | 41,756 psi | 64% | 2589 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 38,000 psi | 58% | 2487 fps | 97.1% |
| Vihtavuori N150 | <<locked>> | 80% | 50,169 psi | 77% | 2621 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 46,224 psi | 71% | 2625 fps | 100% |
| Vihtavuori N165 | <<locked>> | 82% | 35,041 psi | 54% | 2415 fps | 95.8% |
| Vihtavuori N550 | <<locked>> | 80% | 45,411 psi | 70% | 2625 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 36,622 psi | 56% | 2497 fps | 99.6% |
| Vihtavuori N560 | 59.7 gr | 84% | 40,944 psi | 63% | 2631 fps | 95.2% |
| Vihtavuori N565 | <<locked>> | 90% | 40,799 psi | 63% | 2618 fps | 95.5% |
| Vihtavuori N568 | <<locked>> | 98% | 46,789 psi | 72% | 2782 fps | 95.9% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 45,107 psi | 69% | 2585 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 47,224 psi | 73% | 2687 fps | 99.4% |
| Winchester StaBALL HD | 56.2 gr | 80% | 28,921 psi | 44% | 2438 fps | 99.8% |
| Winchester Supreme 780 | <<locked>> | 82% | 37,057 psi | 57% | 2464 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 79 powders for 7 mm PRC loaded with the .284 | 168gr | Berger Classic Hybrid Hunter. Winchester StaBALL HD delivers the highest muzzle velocity at 2,963 fps; across all powders the maximum-charge window runs from 1,739 fps to 2,963 fps. ADI AR 2217 gives the best case fill at 100 %, and 79 of the 79 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 168.0 gr projectile in 0.284" calls for a 1:10.5 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, Alliant Reloder-25 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. Winchester StaBALL HD, Vihtavuori N560, Norma MRP rank at the top here: for 7 mm PRC with the .284 | 168gr | Berger Classic Hybrid Hunter 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.