
Load Specifications
Load data in caliber 6.5 PRC with .263 | 139gr | Prvi Partizan SP BT bullet and 84 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.
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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 2700 | <<locked>> | 84% | 57,711 psi | 89% | 2792 fps | 99.8% |
| Accurate 3100 | <<locked>> | 96% | 56,681 psi | 87% | 2848 fps | 100% |
| Accurate 4350 | <<locked>> | 88% | 58,204 psi | 90% | 2881 fps | 100% |
| Accurate MAGPRO | <<locked>> | 96% | 55,811 psi | 86% | 2943 fps | 97.2% |
| ADI AR 2208 | <<locked>> | 82% | 55,811 psi | 86% | 2789 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 55,013 psi | 85% | 2881 fps | 99.3% |
| ADI AR 2213 | <<locked>> | 96% | 56,579 psi | 87% | 2943 fps | 98.8% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 47,355 psi | 73% | 2779 fps | 97.4% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 41,989 psi | 65% | 2736 fps | 98.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 57,029 psi | 88% | 2812 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 88% | 55,376 psi | 85% | 2884 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 56,536 psi | 87% | 2900 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 94% | 58,276 psi | 90% | 2927 fps | 99.6% |
| Alliant Reloder-22 | <<locked>> | 96% | 56,405 psi | 87% | 2936 fps | 99.5% |
| Alliant Reloder-23 | <<locked>> | 98% | 57,421 psi | 88% | 2907 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 53,026 psi | 82% | 2913 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 94% | 58,030 psi | 89% | 2999 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 98% | 58,276 psi | 90% | 2897 fps | 96.5% |
| Bofors RP15 | <<locked>> | 98% | 55,230 psi | 85% | 2917 fps | 99.4% |
| Bofors RP3 | <<locked>> | 82% | 58,160 psi | 90% | 2828 fps | 100% |
| Bofors RP30ᴾ | <<locked>> | 100% | 48,965 psi | 75% | 2848 fps | 98.1% |
| Bofors RP5 | <<locked>> | 96% | 56,405 psi | 87% | 2936 fps | 99.5% |
| Bofors RP7 | <<locked>> | 86% | 57,043 psi | 88% | 2828 fps | 99.8% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 48,646 psi | 75% | 2805 fps | 98.2% |
| Hodgdon H380 | <<locked>> | 82% | 58,073 psi | 89% | 2848 fps | 100% |
| Hodgdon H414 | <<locked>> | 84% | 57,276 psi | 88% | 2897 fps | 100% |
| Hodgdon H4350 | <<locked>> | 88% | 57,435 psi | 88% | 2871 fps | 99.6% |
| Hodgdon H4831 | <<locked>> | 98% | 55,695 psi | 86% | 2867 fps | 98.1% |
| Hodgdon H4831 SC | <<locked>> | 94% | 55,405 psi | 85% | 2861 fps | 98% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 55,419 psi | 85% | 2805 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 51,866 psi | 80% | 2972 fps | 99.7% |
| Hodgdon Superformance | <<locked>> | 86% | 56,594 psi | 87% | 2920 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,057 psi | 57% | 1768 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 58,653 psi | 90% | 2822 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 58,117 psi | 89% | 2812 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 56,724 psi | 87% | 2799 fps | 99.9% |
| IMR 4350 | <<locked>> | 90% | 58,595 psi | 90% | 2867 fps | 99.9% |
| IMR 4451 Enduron | <<locked>> | 86% | 58,392 psi | 90% | 2851 fps | 100% |
| IMR 4831 | <<locked>> | 92% | 55,811 psi | 86% | 2835 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 57,609 psi | 89% | 2861 fps | 98.5% |
| IMR 7828 SSC | <<locked>> | 96% | 58,450 psi | 90% | 2982 fps | 99.1% |
| Lovex S065 | <<locked>> | 86% | 55,477 psi | 85% | 2795 fps | 100% |
| Lovex S070 | <<locked>> | 88% | 57,043 psi | 88% | 2844 fps | 100% |
| Lovex S071ᴾ | <<locked>> | 100% | 53,809 psi | 83% | 2808 fps | 100% |
| Norma 204 | <<locked>> | 88% | 55,985 psi | 86% | 2871 fps | 99.3% |
| Norma 217ᴾ | <<locked>> | 100% | 37,521 psi | 58% | 2657 fps | 97% |
| Norma MRP | <<locked>> | 94% | 56,217 psi | 87% | 2959 fps | 100% |
| Norma URP | <<locked>> | 88% | 56,362 psi | 87% | 2861 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 58,552 psi | 90% | 2992 fps | 99.3% |
| Ramshot Hunter | <<locked>> | 88% | 55,361 psi | 85% | 2871 fps | 100% |
| Ramshot Magnum | <<locked>> | 96% | 55,274 psi | 85% | 2904 fps | 99.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,913 psi | 58% | 1811 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 57,798 psi | 89% | 2838 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 55,811 psi | 86% | 2881 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 57,943 psi | 89% | 2904 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 56,246 psi | 87% | 2930 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 52,228 psi | 80% | 2969 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 47,413 psi | 73% | 2851 fps | 96.2% |
| Rottweil R 903 | <<locked>> | 84% | 58,320 psi | 90% | 2825 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 56,536 psi | 87% | 2851 fps | 98.7% |
| Rottweil R 905 | <<locked>> | 94% | 57,841 psi | 89% | 2913 fps | 99.6% |
| Rottweil R 907 | <<locked>> | 86% | 57,043 psi | 88% | 2828 fps | 99.8% |
| Shooters World Long Rifle | <<locked>> | 86% | 55,477 psi | 85% | 2795 fps | 100% |
| Shooters World SW4350 | <<locked>> | 88% | 57,043 psi | 88% | 2844 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 56,014 psi | 86% | 2831 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 58,291 psi | 90% | 2697 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 58,494 psi | 90% | 2805 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 57,377 psi | 88% | 2910 fps | 99.6% |
| Somchem S355 | <<locked>> | 84% | 58,001 psi | 89% | 2822 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 58,030 psi | 89% | 2844 fps | 98.4% |
| Somchem S365 | <<locked>> | 90% | 56,840 psi | 87% | 2867 fps | 100% |
| Somchem S385 | <<locked>> | 94% | 58,291 psi | 90% | 2884 fps | 99.9% |
| Unknown powder | <<locked>> | 86% | 56,681 psi | 87% | 2864 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 56,347 psi | 87% | 2756 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 57,232 psi | 88% | 2835 fps | 100% |
| Vihtavuori N165 | <<locked>> | 98% | 55,738 psi | 86% | 2835 fps | 99.6% |
| Vihtavuori N550 | <<locked>> | 86% | 57,595 psi | 89% | 2877 fps | 100% |
| Vihtavuori N555 | <<locked>> | 94% | 56,072 psi | 86% | 2881 fps | 100% |
| Vihtavuori N560 | <<locked>> | 96% | 56,652 psi | 87% | 2966 fps | 98.5% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 55,680 psi | 86% | 2930 fps | 98.5% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 57,957 psi | 89% | 2815 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 57,276 psi | 88% | 2897 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 98% | 54,694 psi | 84% | 2989 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 55,956 psi | 86% | 2848 fps | 99.3% |
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 2700 | <<locked>> | 80% | 50,778 psi | 78% | 2687 fps | 99.2% |
| Accurate 3100 | <<locked>> | 80% | 32,967 psi | 51% | 2411 fps | 96.7% |
| Accurate 4350 | <<locked>> | 80% | 44,324 psi | 68% | 2661 fps | 99.9% |
| Accurate MAGPRO | 57.1 gr | 92% | 48,443 psi | 75% | 2818 fps | 95.6% |
| ADI AR 2208 | <<locked>> | 80% | 52,272 psi | 80% | 2736 fps | 100% |
| ADI AR 2209 | <<locked>> | 80% | 37,159 psi | 57% | 2536 fps | 95.3% |
| ADI AR 2213 | <<locked>> | 88% | 43,062 psi | 66% | 2697 fps | 95.8% |
| ADI AR 2217 | <<locked>> | 96% | 41,481 psi | 64% | 2657 fps | 95.6% |
| ADI AR 2225 | <<locked>> | 92% | 32,489 psi | 50% | 2493 fps | 95.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 53,722 psi | 83% | 2762 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 42,511 psi | 65% | 2667 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 80% | 48,979 psi | 75% | 2785 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 37,028 psi | 57% | 2530 fps | 95.3% |
| Alliant Reloder-22 | <<locked>> | 84% | 37,681 psi | 58% | 2589 fps | 95.7% |
| Alliant Reloder-23 | <<locked>> | 80% | 31,676 psi | 49% | 2441 fps | 99.3% |
| Alliant Reloder-25 | <<locked>> | 82% | 29,472 psi | 45% | 2398 fps | 95.8% |
| Alliant Reloder-26 | <<locked>> | 80% | 34,345 psi | 53% | 2569 fps | 98.6% |
| Baschieri & Pellagri 109 | <<locked>> | 96% | 54,868 psi | 84% | 2844 fps | 95.8% |
| Bofors RP15 | <<locked>> | 86% | 37,434 psi | 58% | 2579 fps | 95.5% |
| Bofors RP3 | <<locked>> | 80% | 54,404 psi | 84% | 2776 fps | 100% |
| Bofors RP30 | <<locked>> | 94% | 39,958 psi | 61% | 2671 fps | 95.7% |
| Bofors RP5 | <<locked>> | 84% | 37,681 psi | 58% | 2589 fps | 95.7% |
| Bofors RP7 | <<locked>> | 80% | 47,384 psi | 73% | 2671 fps | 98.9% |
| Hodgdon H1000 | <<locked>> | 94% | 39,784 psi | 61% | 2625 fps | 95.7% |
| Hodgdon H380 | <<locked>> | 80% | 54,404 psi | 84% | 2795 fps | 100% |
| Hodgdon H414 | <<locked>> | 80% | 49,937 psi | 77% | 2779 fps | 99.5% |
| Hodgdon H4350 | <<locked>> | 80% | 44,744 psi | 69% | 2654 fps | 97.9% |
| Hodgdon H4831 | <<locked>> | 90% | 43,134 psi | 66% | 2644 fps | 95.2% |
| Hodgdon H4831 SC | <<locked>> | 86% | 42,424 psi | 65% | 2631 fps | 95% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 40,132 psi | 62% | 2559 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 88% | 35,041 psi | 54% | 2595 fps | 95.1% |
| Hodgdon Superformance | <<locked>> | 80% | 45,353 psi | 70% | 2733 fps | 98.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,615 psi | 43% | 1578 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 55,245 psi | 85% | 2776 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 51,503 psi | 79% | 2713 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 50,140 psi | 77% | 2694 fps | 99.5% |
| IMR 4350 | <<locked>> | 80% | 42,844 psi | 66% | 2602 fps | 98.1% |
| IMR 4451 Enduron | <<locked>> | 80% | 48,733 psi | 75% | 2694 fps | 99.3% |
| IMR 4831 | <<locked>> | 80% | 38,334 psi | 59% | 2533 fps | 99.4% |
| IMR 4955 Enduron | <<locked>> | 84% | 42,192 psi | 65% | 2592 fps | 95.1% |
| IMR 7828 SSC | <<locked>> | 86% | 41,408 psi | 64% | 2674 fps | 95.4% |
| Lovex S065 | <<locked>> | 80% | 46,224 psi | 71% | 2644 fps | 99.7% |
| Lovex S070 | <<locked>> | 80% | 44,512 psi | 69% | 2631 fps | 98.9% |
| Lovex S071 | <<locked>> | 82% | 30,400 psi | 47% | 2346 fps | 95.7% |
| Norma 204 | <<locked>> | 80% | 42,525 psi | 65% | 2631 fps | 96.9% |
| Norma 217 | <<locked>> | 96% | 32,938 psi | 51% | 2539 fps | 95% |
| Norma MRP | 48.8 gr | 80% | 34,418 psi | 53% | 2536 fps | 96% |
| Norma URP | <<locked>> | 80% | 43,555 psi | 67% | 2651 fps | 99.9% |
| Ramshot Grand | <<locked>> | 84% | 40,263 psi | 62% | 2661 fps | 95.4% |
| Ramshot Hunter | <<locked>> | 80% | 42,308 psi | 65% | 2644 fps | 99% |
| Ramshot Magnum | <<locked>> | 84% | 34,954 psi | 54% | 2520 fps | 95.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,224 psi | 43% | 1614 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 54,201 psi | 83% | 2782 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 51,982 psi | 80% | 2828 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 44,324 psi | 68% | 2687 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 42,540 psi | 65% | 2700 fps | 99.7% |
| ReloadSwiss RS 76 | <<locked>> | 88% | 34,142 psi | 53% | 2572 fps | 96% |
| ReloadSwiss RS 80 | <<locked>> | 98% | 43,888 psi | 68% | 2782 fps | 95.1% |
| Rottweil R 903 | <<locked>> | 80% | 51,300 psi | 79% | 2726 fps | 100% |
| Rottweil R 904 | <<locked>> | 82% | 41,031 psi | 63% | 2572 fps | 95.4% |
| Rottweil R 905 | <<locked>> | 80% | 36,434 psi | 56% | 2516 fps | 95.3% |
| Rottweil R 907 | <<locked>> | 80% | 47,384 psi | 73% | 2671 fps | 98.9% |
| Shooters World Long Rifle | <<locked>> | 80% | 46,224 psi | 71% | 2644 fps | 99.7% |
| Shooters World SW4350 | <<locked>> | 80% | 44,512 psi | 69% | 2631 fps | 98.9% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 52,504 psi | 81% | 2779 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 51,619 psi | 79% | 2608 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 45,150 psi | 69% | 2592 fps | 98.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 36,100 psi | 56% | 2513 fps | 95.2% |
| Somchem S355 | <<locked>> | 80% | 51,184 psi | 79% | 2720 fps | 100% |
| Somchem S361 | <<locked>> | 84% | 44,744 psi | 69% | 2621 fps | 95.7% |
| Somchem S365 | <<locked>> | 80% | 40,553 psi | 62% | 2612 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 36,883 psi | 57% | 2500 fps | 96.4% |
| Unknown powder | <<locked>> | 80% | 46,644 psi | 72% | 2703 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 80% | 44,121 psi | 68% | 2572 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 46,876 psi | 72% | 2677 fps | 100% |
| Vihtavuori N165 | <<locked>> | 84% | 35,346 psi | 54% | 2461 fps | 95.5% |
| Vihtavuori N550 | <<locked>> | 80% | 47,355 psi | 73% | 2717 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 35,520 psi | 55% | 2516 fps | 99.3% |
| Vihtavuori N560 | 52.5 gr | 88% | 43,207 psi | 66% | 2723 fps | 95.5% |
| Vihtavuori N565 | <<locked>> | 92% | 42,438 psi | 65% | 2694 fps | 95.6% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 44,063 psi | 68% | 2612 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 49,937 psi | 77% | 2779 fps | 99.5% |
| Winchester StaBALL HD | <<locked>> | 80% | 28,021 psi | 43% | 2444 fps | 99.3% |
| Winchester Supreme 780 | <<locked>> | 80% | 36,709 psi | 56% | 2497 fps | 95.2% |
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 84 powders for 6.5 PRC loaded with the .263 | 139gr | Prvi Partizan SP BT. Alliant Reloder-26 delivers the highest muzzle velocity at 2,999 fps; across all powders the maximum-charge window runs from 1,768 fps to 2,999 fps. ADI AR 2217 gives the best case fill at 100 %, and 84 of the 84 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 139.0 gr projectile in 0.263" 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. Vihtavuori N560, Norma MRP, Accurate MAGPRO rank at the top here: for 6.5 PRC with the .263 | 139gr | Prvi Partizan SP BT 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.