
Load Specifications
Load data in caliber 7 mm PRC with .284 | 139gr | Hornady CX bullet and 105 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-16 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.
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>> | 84% | 57,812 psi | 89% | 2940 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 55,753 psi | 86% | 2963 fps | 98.6% |
| Accurate 3100ᴾ | <<locked>> | 100% | 53,563 psi | 82% | 2999 fps | 99.5% |
| Accurate 4064 | <<locked>> | 86% | 58,218 psi | 90% | 2995 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 55,579 psi | 86% | 3054 fps | 100% |
| Accurate MAGPROᴾ | <<locked>> | 100% | 56,028 psi | 86% | 3150 fps | 96% |
| ADI AR 2206H | <<locked>> | 82% | 57,232 psi | 88% | 3028 fps | 100% |
| ADI AR 2208 | <<locked>> | 88% | 58,595 psi | 90% | 3035 fps | 100% |
| ADI AR 2209 | <<locked>> | 98% | 57,029 psi | 88% | 3104 fps | 98.3% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 54,592 psi | 84% | 3094 fps | 96.7% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 58,682 psi | 90% | 3173 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 98% | 57,188 psi | 88% | 3104 fps | 98.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 55,912 psi | 86% | 3005 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 56,115 psi | 86% | 3031 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 56,579 psi | 87% | 3117 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 90% | 58,450 psi | 90% | 3146 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 56,362 psi | 87% | 3094 fps | 98.2% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 53,447 psi | 82% | 3087 fps | 97.9% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 50,328 psi | 77% | 3018 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 43,714 psi | 67% | 2933 fps | 98.8% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 58,566 psi | 90% | 3228 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 57,551 psi | 89% | 3051 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 48,979 psi | 75% | 3005 fps | 96.8% |
| Bofors RP3 | <<locked>> | 86% | 56,536 psi | 87% | 3022 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 53,447 psi | 82% | 3087 fps | 97.9% |
| Bofors RP7 | <<locked>> | 90% | 56,130 psi | 86% | 3009 fps | 98.9% |
| Hodgdon H380 | <<locked>> | 86% | 57,246 psi | 88% | 3045 fps | 100% |
| Hodgdon H414 | <<locked>> | 92% | 58,378 psi | 90% | 3117 fps | 99.5% |
| Hodgdon H4350 | <<locked>> | 90% | 57,986 psi | 89% | 3077 fps | 98.7% |
| Hodgdon H4831 | <<locked>> | 98% | 54,810 psi | 84% | 3038 fps | 96% |
| Hodgdon H4831 SCᴾ | <<locked>> | 100% | 57,392 psi | 88% | 3081 fps | 96.6% |
| Hodgdon H4895 | <<locked>> | 82% | 57,885 psi | 89% | 3038 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 56,913 psi | 88% | 3038 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 58,726 psi | 90% | 3081 fps | 100% |
| Hodgdon Superformance | <<locked>> | 90% | 54,853 psi | 84% | 3094 fps | 99% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,289 psi | 56% | 1886 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 55,651 psi | 86% | 2989 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 58,015 psi | 89% | 3018 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 57,188 psi | 88% | 3002 fps | 99.3% |
| IMR 4350 | <<locked>> | 94% | 57,159 psi | 88% | 3041 fps | 99% |
| IMR 4451 Enduron | <<locked>> | 90% | 57,957 psi | 89% | 3038 fps | 99.3% |
| IMR 4831 | <<locked>> | 94% | 56,275 psi | 87% | 3051 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 57,609 psi | 89% | 3061 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 98% | 56,391 psi | 87% | 3028 fps | 96.6% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 52,025 psi | 80% | 3061 fps | 96.2% |
| Lovex D073.6 | <<locked>> | 82% | 57,812 psi | 89% | 2999 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 56,217 psi | 86% | 2953 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 58,262 psi | 90% | 3012 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 57,798 psi | 89% | 3031 fps | 99.9% |
| Lovex S070 | <<locked>> | 92% | 55,738 psi | 86% | 3022 fps | 99.3% |
| Lovex S071ᴾ | <<locked>> | 100% | 44,338 psi | 68% | 2841 fps | 98.2% |
| Norma 201 | <<locked>> | 82% | 55,709 psi | 86% | 2966 fps | 100% |
| Norma 202 | <<locked>> | 82% | 56,579 psi | 87% | 2963 fps | 100% |
| Norma 203B | <<locked>> | 84% | 55,405 psi | 85% | 3015 fps | 100% |
| Norma 204 | <<locked>> | 94% | 58,262 psi | 90% | 3097 fps | 98.3% |
| Norma MRPᴾ | <<locked>> | 100% | 57,029 psi | 88% | 3179 fps | 99.4% |
| Norma URP | <<locked>> | 94% | 58,233 psi | 90% | 3100 fps | 100% |
| Ramshot Big Game | <<locked>> | 84% | 56,492 psi | 87% | 3045 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 52,272 psi | 80% | 3077 fps | 96.6% |
| Ramshot Hunter | <<locked>> | 94% | 57,000 psi | 88% | 3097 fps | 99.7% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 46,543 psi | 72% | 2943 fps | 97.1% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,825 psi | 57% | 1929 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 57,072 psi | 88% | 3025 fps | 99.6% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 57,203 psi | 88% | 3104 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 57,609 psi | 89% | 3136 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 55,767 psi | 86% | 3084 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 58,421 psi | 90% | 3173 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 42,830 psi | 66% | 2953 fps | 97% |
| Rottweil R 902 | <<locked>> | 84% | 56,608 psi | 87% | 2969 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 56,637 psi | 87% | 3015 fps | 100% |
| Rottweil R 904 | <<locked>> | 98% | 58,639 psi | 90% | 3074 fps | 97.5% |
| Rottweil R 905 | <<locked>> | 98% | 55,550 psi | 85% | 3077 fps | 98.2% |
| Rottweil R 907 | <<locked>> | 90% | 56,130 psi | 86% | 3009 fps | 98.9% |
| Shooters World Long Rifle | <<locked>> | 92% | 57,798 psi | 89% | 3031 fps | 99.9% |
| Shooters World Match Rifle | <<locked>> | 82% | 57,812 psi | 89% | 2999 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 58,262 psi | 90% | 3012 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 55,738 psi | 86% | 3022 fps | 99.3% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 58,711 psi | 90% | 3084 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 58,668 psi | 90% | 3038 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 55,767 psi | 86% | 2999 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 56,884 psi | 88% | 2900 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 57,972 psi | 89% | 2900 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 57,769 psi | 89% | 2986 fps | 99.3% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 55,071 psi | 85% | 3074 fps | 98.2% |
| Somchem S335 | <<locked>> | 82% | 56,246 psi | 87% | 2894 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 58,508 psi | 90% | 3022 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 56,724 psi | 87% | 3015 fps | 100% |
| Somchem S361 | <<locked>> | 96% | 56,884 psi | 88% | 3009 fps | 96.4% |
| Somchem S365 | <<locked>> | 96% | 57,711 psi | 89% | 3100 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 56,144 psi | 86% | 3051 fps | 98.9% |
| Vihtavuori N133 | <<locked>> | 82% | 57,450 psi | 88% | 2881 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 56,942 psi | 88% | 2927 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 57,493 psi | 88% | 2946 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 58,059 psi | 89% | 2986 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 56,608 psi | 87% | 3035 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 51,793 psi | 80% | 2963 fps | 97.9% |
| Vihtavuori N540 | <<locked>> | 84% | 55,506 psi | 85% | 2940 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 55,825 psi | 86% | 3045 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 56,376 psi | 87% | 3104 fps | 100% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 57,305 psi | 88% | 3169 fps | 97% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 56,507 psi | 87% | 3002 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 58,378 psi | 90% | 3117 fps | 99.5% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 45,571 psi | 70% | 3077 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 55,999 psi | 86% | 3005 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 56,391 psi | 87% | 3045 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% | 50,401 psi | 78% | 2835 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 48,733 psi | 75% | 2841 fps | 97.5% |
| Accurate 3100 | <<locked>> | 88% | 35,172 psi | 54% | 2641 fps | 95.5% |
| Accurate 4064 | <<locked>> | 80% | 47,805 psi | 74% | 2841 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 36,434 psi | 56% | 2690 fps | 97.6% |
| Accurate MAGPRO | <<locked>> | 98% | 52,156 psi | 80% | 3081 fps | 95.1% |
| ADI AR 2206H | <<locked>> | 80% | 53,780 psi | 83% | 2976 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 45,614 psi | 70% | 2818 fps | 99.7% |
| ADI AR 2209 | <<locked>> | 90% | 43,700 psi | 67% | 2858 fps | 95.2% |
| ADI AR 2213 | <<locked>> | 98% | 51,111 psi | 79% | 3031 fps | 95.8% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 50,662 psi | 78% | 3045 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 90% | 43,743 psi | 67% | 2858 fps | 95.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 45,977 psi | 71% | 2841 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 49,255 psi | 76% | 2917 fps | 99.9% |
| Alliant Reloder-16 | 52.2 gr | 80% | 35,781 psi | 55% | 2707 fps | 97.8% |
| Alliant Reloder-17 | <<locked>> | 80% | 40,611 psi | 62% | 2838 fps | 99.8% |
| Alliant Reloder-19 | <<locked>> | 90% | 43,236 psi | 67% | 2848 fps | 95.2% |
| Alliant Reloder-22 | <<locked>> | 94% | 43,613 psi | 67% | 2900 fps | 95.5% |
| Alliant Reloder-23 | <<locked>> | 82% | 27,644 psi | 43% | 2493 fps | 95.9% |
| Alliant Reloder-25 | <<locked>> | 92% | 33,678 psi | 52% | 2680 fps | 95.3% |
| Alliant Reloder-26 | 60.5 gr | 84% | 31,981 psi | 49% | 2677 fps | 95.5% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 53,867 psi | 83% | 2992 fps | 100% |
| Bofors RP15 | <<locked>> | 96% | 42,772 psi | 66% | 2881 fps | 95.1% |
| Bofors RP3 | <<locked>> | 80% | 46,267 psi | 71% | 2854 fps | 100% |
| Bofors RP5 | <<locked>> | 94% | 43,613 psi | 67% | 2900 fps | 95.5% |
| Bofors RP7 | <<locked>> | 80% | 40,712 psi | 63% | 2717 fps | 95.6% |
| Hodgdon H380 | <<locked>> | 80% | 46,804 psi | 72% | 2867 fps | 99.3% |
| Hodgdon H414 | <<locked>> | 80% | 38,638 psi | 59% | 2743 fps | 95.6% |
| Hodgdon H4350 | <<locked>> | 80% | 41,698 psi | 64% | 2772 fps | 95.1% |
| Hodgdon H4831 | <<locked>> | 96% | 51,053 psi | 79% | 2972 fps | 95.1% |
| Hodgdon H4831 SC | <<locked>> | 98% | 53,693 psi | 83% | 3018 fps | 95.8% |
| Hodgdon H4895 | <<locked>> | 80% | 54,404 psi | 84% | 2986 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 33,315 psi | 51% | 2598 fps | 98.4% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 51,227 psi | 79% | 2966 fps | 100% |
| Hodgdon Superformance | <<locked>> | 82% | 40,553 psi | 62% | 2818 fps | 95.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,079 psi | 42% | 1690 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 52,011 psi | 80% | 2933 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 47,979 psi | 74% | 2854 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 80% | 50,299 psi | 77% | 2887 fps | 98.4% |
| IMR 4350 | <<locked>> | 82% | 38,856 psi | 60% | 2694 fps | 95% |
| IMR 4451 Enduron | <<locked>> | 80% | 42,337 psi | 65% | 2753 fps | 96.6% |
| IMR 4831 | <<locked>> | 80% | 35,215 psi | 54% | 2648 fps | 97.3% |
| IMR 4895 | <<locked>> | 80% | 50,531 psi | 78% | 2946 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 49,559 psi | 76% | 2910 fps | 95% |
| IMR 7828 SSC | <<locked>> | 98% | 48,472 psi | 75% | 2995 fps | 95.2% |
| Lovex D073.6 | <<locked>> | 80% | 53,954 psi | 83% | 2946 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 52,634 psi | 81% | 2897 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 48,008 psi | 74% | 2851 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 39,537 psi | 61% | 2694 fps | 97.2% |
| Lovex S070 | <<locked>> | 80% | 37,797 psi | 58% | 2671 fps | 95.5% |
| Lovex S071 | <<locked>> | 94% | 36,303 psi | 56% | 2667 fps | 95.9% |
| Norma 201 | <<locked>> | 80% | 52,315 psi | 80% | 2913 fps | 100% |
| Norma 202 | <<locked>> | 80% | 53,098 psi | 82% | 2913 fps | 100% |
| Norma 203B | <<locked>> | 80% | 48,588 psi | 75% | 2904 fps | 100% |
| Norma 204 | <<locked>> | 86% | 44,237 psi | 68% | 2848 fps | 95.3% |
| Norma MRP | <<locked>> | 90% | 39,827 psi | 61% | 2848 fps | 95.8% |
| Norma URP | <<locked>> | 80% | 36,405 psi | 56% | 2690 fps | 97.5% |
| Ramshot Big Game | <<locked>> | 80% | 49,081 psi | 76% | 2927 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 48,515 psi | 75% | 3005 fps | 95.6% |
| Ramshot Hunter | <<locked>> | 80% | 35,476 psi | 55% | 2674 fps | 95.4% |
| Ramshot Magnum | <<locked>> | 96% | 40,132 psi | 62% | 2805 fps | 95% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,441 psi | 42% | 1726 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 46,905 psi | 72% | 2851 fps | 98.3% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 53,563 psi | 82% | 3045 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 43,221 psi | 66% | 2900 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 36,390 psi | 56% | 2710 fps | 97.3% |
| ReloadSwiss RS 70 | 57.1 gr | 80% | 35,433 psi | 55% | 2713 fps | 96.5% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 39,871 psi | 61% | 2877 fps | 95.8% |
| Rottweil R 902 | <<locked>> | 80% | 49,908 psi | 77% | 2867 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 43,410 psi | 67% | 2795 fps | 99.9% |
| Rottweil R 904 | <<locked>> | 92% | 48,399 psi | 74% | 2897 fps | 95.3% |
| Rottweil R 905 | <<locked>> | 90% | 42,134 psi | 65% | 2825 fps | 95.1% |
| Rottweil R 907 | <<locked>> | 80% | 40,712 psi | 63% | 2717 fps | 95.6% |
| Shooters World Long Rifle | <<locked>> | 80% | 39,537 psi | 61% | 2694 fps | 97.2% |
| Shooters World Match Rifle | <<locked>> | 80% | 53,954 psi | 83% | 2946 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 48,008 psi | 74% | 2851 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 37,797 psi | 58% | 2671 fps | 95.5% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 44,947 psi | 69% | 2854 fps | 99.8% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 54,839 psi | 84% | 2979 fps | 99.9% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 52,446 psi | 81% | 2946 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 53,359 psi | 82% | 2851 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 45,049 psi | 69% | 2710 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 38,740 psi | 60% | 2638 fps | 95.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 44,860 psi | 69% | 2887 fps | 95.9% |
| Somchem S335 | <<locked>> | 80% | 52,924 psi | 81% | 2844 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 54,752 psi | 84% | 2966 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 43,801 psi | 67% | 2795 fps | 99.9% |
| Somchem S361 | <<locked>> | 94% | 53,243 psi | 82% | 2949 fps | 95.7% |
| Somchem S365 | <<locked>> | 80% | 32,822 psi | 50% | 2641 fps | 99.3% |
| Somchem S385 | <<locked>> | 88% | 40,059 psi | 62% | 2749 fps | 95.4% |
| Vihtavuori N133 | <<locked>> | 80% | 53,954 psi | 83% | 2831 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 50,198 psi | 77% | 2831 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 50,444 psi | 78% | 2844 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 41,858 psi | 64% | 2723 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 37,869 psi | 58% | 2694 fps | 97.9% |
| Vihtavuori N165 | <<locked>> | 94% | 42,293 psi | 65% | 2789 fps | 95.7% |
| Vihtavuori N540 | <<locked>> | 80% | 48,834 psi | 75% | 2838 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 37,376 psi | 58% | 2694 fps | 97.6% |
| Vihtavuori N555 | <<locked>> | 80% | 28,543 psi | 44% | 2516 fps | 95.1% |
| Vihtavuori N560 | <<locked>> | 96% | 49,777 psi | 77% | 3035 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 37,173 psi | 57% | 2664 fps | 99.4% |
| Winchester 760 | <<locked>> | 80% | 38,841 psi | 60% | 2749 fps | 95.6% |
| Winchester StaBALL HD | <<locked>> | 84% | 26,063 psi | 40% | 2520 fps | 95.6% |
| Winchester StaBALL Match | <<locked>> | 80% | 52,359 psi | 81% | 2953 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 45,527 psi | 70% | 2858 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 105 powders for 7 mm PRC loaded with the .284 | 139gr | Hornady CX. Alliant Reloder-26 delivers the highest muzzle velocity at 3,228 fps; across all powders the maximum-charge window runs from 1,886 fps to 3,228 fps. Accurate 3100 gives the best case fill at 100 %, and 105 of the 105 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. The 139.0 gr projectile in 0.284" calls for a 1:7.5 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-16, Alliant Reloder-26 rank at the top here: for 7 mm PRC with the .284 | 139gr | Hornady CX 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.