Load Specifications
Load data in caliber 7 mm PRC with .284 | 152gr | Barnes LRX BT bullet and 88 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Vihtavuori N560, Norma MRP and Accurate MAGPRO.
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 2700 | <<locked>> | 82% | 57,029 psi | 88% | 2881 fps | 99.5% |
| Accurate 3100 | <<locked>> | 98% | 56,434 psi | 87% | 2936 fps | 100% |
| Accurate 4064 | <<locked>> | 82% | 56,463 psi | 87% | 2854 fps | 100% |
| Accurate 4350 | <<locked>> | 90% | 58,363 psi | 90% | 2979 fps | 100% |
| Accurate MAGPRO | <<locked>> | 96% | 55,143 psi | 85% | 3028 fps | 97.1% |
| ADI AR 2208 | <<locked>> | 84% | 56,449 psi | 87% | 2894 fps | 100% |
| ADI AR 2209 | <<locked>> | 94% | 55,608 psi | 86% | 2979 fps | 99% |
| ADI AR 2213 | <<locked>> | 98% | 57,174 psi | 88% | 3038 fps | 98.4% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 39,146 psi | 60% | 2743 fps | 97.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 84% | 57,609 psi | 89% | 2917 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 82% | 57,566 psi | 89% | 2936 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 90% | 55,680 psi | 86% | 2986 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 86% | 56,782 psi | 87% | 2999 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 96% | 58,639 psi | 90% | 3022 fps | 99.3% |
| Alliant Reloder-22 | <<locked>> | 98% | 56,608 psi | 87% | 3031 fps | 99.2% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 57,363 psi | 88% | 3002 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 49,414 psi | 76% | 2943 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 96% | 58,059 psi | 89% | 3097 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 55,463 psi | 85% | 3012 fps | 99% |
| Bofors RP3 | <<locked>> | 84% | 58,697 psi | 90% | 2933 fps | 100% |
| Bofors RP30ᴾ | <<locked>> | 100% | 45,310 psi | 70% | 2864 fps | 96.6% |
| Bofors RP5 | <<locked>> | 98% | 56,608 psi | 87% | 3031 fps | 99.2% |
| Bofors RP7 | <<locked>> | 88% | 57,725 psi | 89% | 2930 fps | 99.6% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 48,907 psi | 75% | 2890 fps | 97.6% |
| Hodgdon H380 | <<locked>> | 82% | 55,100 psi | 85% | 2900 fps | 100% |
| Hodgdon H414 | <<locked>> | 88% | 56,652 psi | 87% | 2979 fps | 99.8% |
| Hodgdon H4350 | <<locked>> | 86% | 56,086 psi | 86% | 2940 fps | 99.2% |
| Hodgdon H4831 | <<locked>> | 96% | 57,145 psi | 88% | 2976 fps | 97.7% |
| Hodgdon H4831 SC | <<locked>> | 96% | 56,014 psi | 86% | 2959 fps | 97.6% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 55,825 psi | 86% | 2904 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 48,515 psi | 75% | 2995 fps | 98.8% |
| Hodgdon Superformance | <<locked>> | 88% | 57,174 psi | 88% | 3018 fps | 99.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,637 psi | 56% | 1824 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 55,970 psi | 86% | 2874 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 82% | 58,305 psi | 90% | 2917 fps | 99.8% |
| IMR 4350 | <<locked>> | 90% | 55,434 psi | 85% | 2910 fps | 99.5% |
| IMR 4451 Enduron | <<locked>> | 86% | 55,767 psi | 86% | 2900 fps | 99.7% |
| IMR 4831 | <<locked>> | 92% | 58,798 psi | 90% | 2972 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 96% | 58,363 psi | 90% | 2963 fps | 98.1% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 58,436 psi | 90% | 3071 fps | 98.6% |
| Lovex S062 | <<locked>> | 82% | 56,101 psi | 86% | 2864 fps | 100% |
| Lovex S065 | <<locked>> | 88% | 56,072 psi | 86% | 2897 fps | 100% |
| Lovex S070 | <<locked>> | 90% | 57,537 psi | 89% | 2943 fps | 99.9% |
| Lovex S071ᴾ | <<locked>> | 100% | 50,024 psi | 77% | 2838 fps | 99.7% |
| Norma 203B | <<locked>> | 82% | 56,869 psi | 87% | 2920 fps | 100% |
| Norma 204 | <<locked>> | 90% | 56,463 psi | 87% | 2969 fps | 98.9% |
| Norma MRP | <<locked>> | 96% | 56,275 psi | 87% | 3054 fps | 99.8% |
| Norma URP | <<locked>> | 90% | 56,811 psi | 87% | 2963 fps | 100% |
| Ramshot Big Game | <<locked>> | 82% | 58,305 psi | 90% | 2956 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 55,201 psi | 85% | 3028 fps | 98.5% |
| Ramshot Hunter | <<locked>> | 90% | 55,637 psi | 86% | 2966 fps | 100% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 53,098 psi | 82% | 2959 fps | 99.3% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,449 psi | 58% | 1870 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 58,726 psi | 90% | 2943 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 84% | 56,391 psi | 87% | 2992 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 58,566 psi | 90% | 3005 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 90% | 56,753 psi | 87% | 3031 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 48,820 psi | 75% | 2992 fps | 99.6% |
| Rottweil R 902 | <<locked>> | 82% | 57,870 psi | 89% | 2874 fps | 100% |
| Rottweil R 903 | <<locked>> | 84% | 55,027 psi | 85% | 2877 fps | 100% |
| Rottweil R 904 | <<locked>> | 94% | 56,971 psi | 88% | 2946 fps | 98.3% |
| Rottweil R 905 | <<locked>> | 96% | 58,001 psi | 89% | 3009 fps | 99.3% |
| Rottweil R 907 | <<locked>> | 88% | 57,725 psi | 89% | 2930 fps | 99.6% |
| Shooters World Long Rifle | <<locked>> | 88% | 56,072 psi | 86% | 2897 fps | 100% |
| Shooters World Precision | <<locked>> | 82% | 56,101 psi | 86% | 2864 fps | 100% |
| Shooters World SW4350 | <<locked>> | 90% | 57,537 psi | 89% | 2943 fps | 99.9% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 56,710 psi | 87% | 2936 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 55,680 psi | 86% | 2759 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 55,434 psi | 85% | 2848 fps | 99.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 57,537 psi | 89% | 3005 fps | 99.3% |
| Somchem S355 | <<locked>> | 86% | 58,392 psi | 90% | 2923 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 54,969 psi | 85% | 2884 fps | 97.3% |
| Somchem S365 | <<locked>> | 92% | 56,768 psi | 87% | 2963 fps | 100% |
| Somchem S385 | <<locked>> | 96% | 58,697 psi | 90% | 2982 fps | 99.7% |
| Vihtavuori N135 | <<locked>> | 82% | 58,740 psi | 90% | 2831 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 58,726 psi | 90% | 2844 fps | 100% |
| Vihtavuori N150 | <<locked>> | 86% | 56,289 psi | 87% | 2848 fps | 100% |
| Vihtavuori N160 | <<locked>> | 88% | 55,172 psi | 85% | 2904 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 58,088 psi | 89% | 2959 fps | 99.5% |
| Vihtavuori N540 | <<locked>> | 82% | 56,942 psi | 88% | 2844 fps | 100% |
| Vihtavuori N550 | <<locked>> | 90% | 57,812 psi | 89% | 2959 fps | 100% |
| Vihtavuori N555 | <<locked>> | 96% | 55,782 psi | 86% | 2976 fps | 100% |
| Vihtavuori N560 | <<locked>> | 96% | 56,275 psi | 87% | 3045 fps | 97.9% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 51,808 psi | 80% | 2953 fps | 97.3% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 58,697 psi | 90% | 2917 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 56,884 psi | 88% | 2986 fps | 99.8% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 54,346 psi | 84% | 3081 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 55,100 psi | 85% | 2923 fps | 98.9% |
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 2700 | <<locked>> | 80% | 53,461 psi | 82% | 2828 fps | 99.1% |
| Accurate 3100 | <<locked>> | 82% | 32,271 psi | 50% | 2470 fps | 95.6% |
| Accurate 4064 | <<locked>> | 80% | 53,098 psi | 82% | 2805 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 41,191 psi | 63% | 2690 fps | 99.4% |
| Accurate MAGPRO | 67.7 gr | 92% | 47,834 psi | 74% | 2897 fps | 95.3% |
| ADI AR 2208 | <<locked>> | 80% | 49,792 psi | 77% | 2789 fps | 100% |
| ADI AR 2209 | <<locked>> | 84% | 39,697 psi | 61% | 2674 fps | 95.3% |
| ADI AR 2213 | <<locked>> | 90% | 43,424 psi | 67% | 2782 fps | 95.1% |
| ADI AR 2225 | <<locked>> | 96% | 34,272 psi | 53% | 2615 fps | 95.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 50,792 psi | 78% | 2812 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 54,186 psi | 83% | 2887 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 39,798 psi | 61% | 2700 fps | 99.5% |
| Alliant Reloder-17 | <<locked>> | 80% | 45,861 psi | 71% | 2828 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 84% | 39,523 psi | 61% | 2671 fps | 95.4% |
| Alliant Reloder-22 | <<locked>> | 88% | 40,147 psi | 62% | 2726 fps | 95.8% |
| Alliant Reloder-23 | <<locked>> | 80% | 29,240 psi | 45% | 2451 fps | 98% |
| Alliant Reloder-25 | <<locked>> | 86% | 31,140 psi | 48% | 2523 fps | 95.7% |
| Alliant Reloder-26 | <<locked>> | 80% | 31,488 psi | 48% | 2572 fps | 96.8% |
| Bofors RP15 | <<locked>> | 90% | 39,610 psi | 61% | 2713 fps | 95.4% |
| Bofors RP3 | <<locked>> | 80% | 51,314 psi | 79% | 2825 fps | 100% |
| Bofors RP30 | <<locked>> | 98% | 42,235 psi | 65% | 2799 fps | 95.6% |
| Bofors RP5 | <<locked>> | 88% | 40,147 psi | 62% | 2726 fps | 95.8% |
| Bofors RP7 | <<locked>> | 80% | 44,585 psi | 69% | 2703 fps | 97.9% |
| Hodgdon H1000 | <<locked>> | 96% | 42,569 psi | 65% | 2762 fps | 95.8% |
| Hodgdon H380 | <<locked>> | 80% | 51,590 psi | 79% | 2844 fps | 100% |
| Hodgdon H414 | <<locked>> | 80% | 43,163 psi | 66% | 2743 fps | 98.1% |
| Hodgdon H4350 | <<locked>> | 80% | 46,064 psi | 71% | 2762 fps | 97.6% |
| Hodgdon H4831 | <<locked>> | 90% | 46,514 psi | 72% | 2795 fps | 95.4% |
| Hodgdon H4831 SC | <<locked>> | 90% | 45,614 psi | 70% | 2776 fps | 95.1% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 37,463 psi | 58% | 2589 fps | 99.8% |
| Hodgdon Retumbo | <<locked>> | 92% | 37,028 psi | 57% | 2723 fps | 95% |
| Hodgdon Superformance | <<locked>> | 80% | 42,337 psi | 65% | 2759 fps | 97.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,470 psi | 42% | 1634 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 52,388 psi | 81% | 2822 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 54,694 psi | 84% | 2861 fps | 99.6% |
| IMR 4350 | <<locked>> | 80% | 40,379 psi | 62% | 2631 fps | 96.8% |
| IMR 4451 Enduron | <<locked>> | 80% | 46,195 psi | 71% | 2736 fps | 98.5% |
| IMR 4831 | <<locked>> | 80% | 39,407 psi | 61% | 2641 fps | 99.2% |
| IMR 4955 Enduron | <<locked>> | 88% | 45,266 psi | 70% | 2733 fps | 95.2% |
| IMR 7828 SSC | <<locked>> | 92% | 44,295 psi | 68% | 2815 fps | 95.5% |
| Lovex S062 | <<locked>> | 80% | 52,823 psi | 81% | 2815 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 43,656 psi | 67% | 2684 fps | 99.1% |
| Lovex S070 | <<locked>> | 80% | 41,901 psi | 64% | 2667 fps | 97.9% |
| Lovex S071 | <<locked>> | 86% | 31,604 psi | 49% | 2457 fps | 95.4% |
| Norma 203B | <<locked>> | 80% | 53,505 psi | 82% | 2871 fps | 100% |
| Norma 204 | <<locked>> | 80% | 40,045 psi | 62% | 2661 fps | 95.4% |
| Norma MRP | 60.7 gr | 84% | 36,593 psi | 56% | 2674 fps | 96% |
| Norma URP | <<locked>> | 80% | 40,857 psi | 63% | 2684 fps | 99.3% |
| Ramshot Big Game | <<locked>> | 80% | 54,375 psi | 84% | 2897 fps | 100% |
| Ramshot Grand | <<locked>> | 92% | 44,266 psi | 68% | 2828 fps | 95.9% |
| Ramshot Hunter | <<locked>> | 80% | 39,697 psi | 61% | 2674 fps | 98% |
| Ramshot Magnum | <<locked>> | 90% | 36,405 psi | 56% | 2631 fps | 95.2% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,891 psi | 43% | 1670 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 51,416 psi | 79% | 2828 fps | 99.6% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 48,762 psi | 75% | 2877 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 41,089 psi | 63% | 2710 fps | 99.3% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 39,697 psi | 61% | 2723 fps | 99% |
| ReloadSwiss RS 76 | <<locked>> | 92% | 36,361 psi | 56% | 2707 fps | 96.1% |
| Rottweil R 902 | <<locked>> | 80% | 54,476 psi | 84% | 2825 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 48,283 psi | 74% | 2772 fps | 100% |
| Rottweil R 904 | <<locked>> | 86% | 44,034 psi | 68% | 2720 fps | 95.5% |
| Rottweil R 905 | <<locked>> | 84% | 38,711 psi | 60% | 2651 fps | 95.3% |
| Rottweil R 907 | <<locked>> | 80% | 44,585 psi | 69% | 2703 fps | 97.9% |
| Shooters World Long Rifle | <<locked>> | 80% | 43,656 psi | 67% | 2684 fps | 99.1% |
| Shooters World Precision | <<locked>> | 80% | 52,823 psi | 81% | 2815 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 41,901 psi | 64% | 2667 fps | 97.9% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 49,748 psi | 77% | 2828 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 49,182 psi | 76% | 2664 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 42,641 psi | 66% | 2625 fps | 98% |
| SNPE Vectan Tubal 8000 | <<locked>> | 84% | 38,363 psi | 59% | 2648 fps | 95.2% |
| Somchem S355 | <<locked>> | 80% | 48,399 psi | 74% | 2769 fps | 100% |
| Somchem S361 | <<locked>> | 88% | 48,124 psi | 74% | 2766 fps | 95.8% |
| Somchem S365 | <<locked>> | 80% | 37,507 psi | 58% | 2641 fps | 100% |
| Somchem S385 | <<locked>> | 82% | 36,738 psi | 57% | 2579 fps | 95.6% |
| Vihtavuori N135 | <<locked>> | 80% | 55,216 psi | 85% | 2782 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 55,274 psi | 85% | 2799 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 46,311 psi | 71% | 2697 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 42,308 psi | 65% | 2684 fps | 99.5% |
| Vihtavuori N165 | <<locked>> | 88% | 38,812 psi | 60% | 2618 fps | 95.9% |
| Vihtavuori N540 | <<locked>> | 80% | 53,432 psi | 82% | 2792 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 41,655 psi | 64% | 2684 fps | 99.3% |
| Vihtavuori N555 | <<locked>> | 80% | 32,619 psi | 50% | 2530 fps | 98% |
| Vihtavuori N560 | 65 gr | 90% | 45,629 psi | 70% | 2854 fps | 95.4% |
| Vihtavuori N565 | <<locked>> | 96% | 44,904 psi | 69% | 2825 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 41,365 psi | 64% | 2651 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 43,366 psi | 67% | 2746 fps | 98.1% |
| Winchester StaBALL HD | <<locked>> | 80% | 25,730 psi | 40% | 2431 fps | 97.3% |
| Winchester Supreme 780 | <<locked>> | 86% | 38,638 psi | 59% | 2621 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 94 powders for 7 mm PRC loaded with the .284 | 152gr | Barnes LRX BT. Alliant Reloder-26 delivers the highest muzzle velocity at 3,097 fps; across all powders the maximum-charge window runs from 1,824 fps to 3,097 fps. ADI AR 2217 gives the best case fill at 100 %, and 94 of the 94 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 53–90 %, leaving at least 10 % headroom. The 152.0 gr projectile in 0.284" calls for a 1:9.0 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. Vihtavuori N560, Norma MRP, Accurate MAGPRO rank at the top here: for 7 mm PRC with the .284 | 152gr | Barnes LRX BT they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, IMR 8133 Enduron, Norma 217, ReloadSwiss RS 80 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.