
Load Specifications
Load data in caliber 6.5-284 Norma with .263 | 140gr | Prvi Partizan PSP bullet and 68 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Winchester StaBALL HD, Accurate MAGPRO 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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Max Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 94% | 52,895 psi | 89% | 2776 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 50,894 psi | 86% | 2759 fps | 100% |
| Accurate MAGPRO | <<locked>> | 92% | 51,242 psi | 86% | 2858 fps | 96.9% |
| ADI AR 2209 | <<locked>> | 90% | 51,605 psi | 87% | 2808 fps | 98.8% |
| ADI AR 2213 | <<locked>> | 94% | 52,837 psi | 89% | 2864 fps | 98.2% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 47,384 psi | 80% | 2762 fps | 97.3% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 41,974 psi | 71% | 2717 fps | 98.9% |
| Alliant Reloder-16 | <<locked>> | 86% | 51,648 psi | 87% | 2812 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 82% | 52,446 psi | 88% | 2822 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 90% | 51,343 psi | 86% | 2799 fps | 98.8% |
| Alliant Reloder-22 | <<locked>> | 94% | 52,692 psi | 89% | 2861 fps | 99.1% |
| Alliant Reloder-23 | <<locked>> | 96% | 53,635 psi | 90% | 2835 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 53,055 psi | 89% | 2897 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 92% | 53,693 psi | 90% | 2920 fps | 100% |
| Bofors RP15 | <<locked>> | 96% | 51,648 psi | 87% | 2844 fps | 98.9% |
| Bofors RP30ᴾ | <<locked>> | 100% | 48,994 psi | 82% | 2828 fps | 98% |
| Bofors RP5 | <<locked>> | 94% | 52,692 psi | 89% | 2861 fps | 99.1% |
| Bofors RP7 | <<locked>> | 84% | 53,664 psi | 90% | 2759 fps | 99.6% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 52,185 psi | 88% | 2851 fps | 98.8% |
| Hodgdon H414 | <<locked>> | 84% | 52,373 psi | 88% | 2805 fps | 99.7% |
| Hodgdon H4350 | <<locked>> | 82% | 51,779 psi | 87% | 2762 fps | 99% |
| Hodgdon H4831 | <<locked>> | 92% | 52,953 psi | 89% | 2805 fps | 97.6% |
| Hodgdon H4831 SC | <<locked>> | 92% | 51,750 psi | 87% | 2785 fps | 97.3% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 52,011 psi | 87% | 2740 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 51,880 psi | 87% | 2956 fps | 99.7% |
| Hodgdon Superformance | <<locked>> | 84% | 52,562 psi | 88% | 2841 fps | 99.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,999 psi | 62% | 1755 fps | 100% |
| IMR 4350 | <<locked>> | 86% | 51,750 psi | 87% | 2746 fps | 99.4% |
| IMR 4451 Enduron | <<locked>> | 82% | 51,605 psi | 87% | 2726 fps | 99.6% |
| IMR 4831 | <<locked>> | 86% | 51,329 psi | 86% | 2753 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 50,894 psi | 86% | 2736 fps | 97.3% |
| IMR 7828 SSC | <<locked>> | 94% | 50,589 psi | 85% | 2838 fps | 97.8% |
| Lovex S065 | <<locked>> | 84% | 52,243 psi | 88% | 2730 fps | 100% |
| Lovex S070 | <<locked>> | 86% | 53,722 psi | 90% | 2776 fps | 99.8% |
| Lovex S071ᴾ | <<locked>> | 100% | 53,809 psi | 90% | 2789 fps | 100% |
| Norma 204 | <<locked>> | 86% | 52,315 psi | 88% | 2795 fps | 98.8% |
| Norma 217ᴾ | <<locked>> | 100% | 37,536 psi | 63% | 2641 fps | 97% |
| Norma MRP | <<locked>> | 92% | 52,475 psi | 88% | 2884 fps | 99.8% |
| Norma URP | <<locked>> | 86% | 52,982 psi | 89% | 2792 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 51,010 psi | 86% | 2854 fps | 98.3% |
| Ramshot Hunter | <<locked>> | 86% | 51,822 psi | 87% | 2795 fps | 99.9% |
| Ramshot Magnum | <<locked>> | 98% | 52,982 psi | 89% | 2854 fps | 99.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,840 psi | 64% | 1798 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 50,705 psi | 85% | 2779 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 52,489 psi | 88% | 2858 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 52,315 psi | 88% | 2953 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 47,166 psi | 79% | 2831 fps | 96.1% |
| Rottweil R 904 | <<locked>> | 90% | 52,910 psi | 89% | 2779 fps | 98.2% |
| Rottweil R 905 | <<locked>> | 90% | 50,720 psi | 85% | 2785 fps | 98.8% |
| Rottweil R 907 | <<locked>> | 84% | 53,664 psi | 90% | 2759 fps | 99.6% |
| Shooters World Long Rifle | <<locked>> | 84% | 52,243 psi | 88% | 2730 fps | 100% |
| Shooters World SW4350 | <<locked>> | 86% | 53,722 psi | 90% | 2776 fps | 99.8% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 51,474 psi | 87% | 2684 fps | 99.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 53,592 psi | 90% | 2835 fps | 99.2% |
| Somchem S361 | <<locked>> | 88% | 50,792 psi | 85% | 2713 fps | 97.1% |
| Somchem S365 | <<locked>> | 88% | 53,011 psi | 89% | 2795 fps | 100% |
| Somchem S385 | <<locked>> | 90% | 51,111 psi | 86% | 2759 fps | 99.3% |
| Vihtavuori N150 | <<locked>> | 82% | 52,243 psi | 88% | 2680 fps | 100% |
| Vihtavuori N160 | <<locked>> | 84% | 51,358 psi | 86% | 2736 fps | 100% |
| Vihtavuori N165 | <<locked>> | 94% | 50,676 psi | 85% | 2743 fps | 99.1% |
| Vihtavuori N550 | <<locked>> | 86% | 53,809 psi | 90% | 2789 fps | 100% |
| Vihtavuori N555 | <<locked>> | 92% | 52,649 psi | 89% | 2815 fps | 100% |
| Vihtavuori N560 | <<locked>> | 92% | 52,431 psi | 88% | 2877 fps | 97.7% |
| Vihtavuori N565 | <<locked>> | 98% | 52,040 psi | 88% | 2854 fps | 97.9% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 50,502 psi | 85% | 2697 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 52,692 psi | 89% | 2808 fps | 99.8% |
| Winchester StaBALL HD | <<locked>> | 96% | 50,676 psi | 85% | 2913 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 51,010 psi | 86% | 2756 fps | 98.7% |
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% | 32,924 psi | 55% | 2395 fps | 96.7% |
| Accurate 4350 | <<locked>> | 80% | 44,222 psi | 74% | 2644 fps | 99.9% |
| Accurate MAGPRO | 54.4 gr | 88% | 44,469 psi | 75% | 2730 fps | 95.1% |
| ADI AR 2209 | <<locked>> | 80% | 37,086 psi | 62% | 2520 fps | 95.2% |
| ADI AR 2213 | <<locked>> | 88% | 43,265 psi | 73% | 2684 fps | 95.8% |
| ADI AR 2217 | <<locked>> | 96% | 41,263 psi | 69% | 2635 fps | 95.4% |
| ADI AR 2225 | <<locked>> | 92% | 32,474 psi | 55% | 2477 fps | 95.2% |
| Alliant Reloder-16 | <<locked>> | 80% | 42,453 psi | 71% | 2651 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 80% | 48,907 psi | 82% | 2769 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 36,941 psi | 62% | 2513 fps | 95.2% |
| Alliant Reloder-22 | <<locked>> | 84% | 37,637 psi | 63% | 2569 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 80% | 31,618 psi | 53% | 2421 fps | 99.3% |
| Alliant Reloder-25 | <<locked>> | 82% | 29,602 psi | 50% | 2388 fps | 95.8% |
| Alliant Reloder-26 | 50 gr | 80% | 34,330 psi | 58% | 2549 fps | 98.5% |
| Bofors RP15 | <<locked>> | 86% | 37,362 psi | 63% | 2562 fps | 95.3% |
| Bofors RP30 | <<locked>> | 94% | 39,958 psi | 67% | 2651 fps | 95.6% |
| Bofors RP5 | <<locked>> | 84% | 37,637 psi | 63% | 2569 fps | 95.6% |
| Bofors RP7 | <<locked>> | 80% | 47,297 psi | 80% | 2651 fps | 98.8% |
| Hodgdon H1000 | <<locked>> | 92% | 39,769 psi | 67% | 2605 fps | 95.6% |
| Hodgdon H414 | <<locked>> | 80% | 46,122 psi | 78% | 2697 fps | 99.1% |
| Hodgdon H4350 | <<locked>> | 80% | 48,776 psi | 82% | 2710 fps | 98.6% |
| Hodgdon H4831 | <<locked>> | 86% | 43,105 psi | 72% | 2628 fps | 95.1% |
| Hodgdon H4831 SC | <<locked>> | 88% | 45,382 psi | 76% | 2674 fps | 95.8% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 40,059 psi | 67% | 2539 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 88% | 35,027 psi | 59% | 2579 fps | 95% |
| Hodgdon Superformance | <<locked>> | 80% | 45,310 psi | 76% | 2713 fps | 98.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,746 psi | 47% | 1568 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 42,772 psi | 72% | 2582 fps | 98% |
| IMR 4451 Enduron | <<locked>> | 80% | 48,660 psi | 82% | 2677 fps | 99.3% |
| IMR 4831 | <<locked>> | 80% | 42,163 psi | 71% | 2592 fps | 99.8% |
| IMR 4955 Enduron | <<locked>> | 84% | 42,119 psi | 71% | 2572 fps | 95% |
| IMR 7828 SSC | <<locked>> | 88% | 41,394 psi | 70% | 2657 fps | 95.3% |
| Lovex S065 | <<locked>> | 80% | 46,122 psi | 78% | 2625 fps | 99.7% |
| Lovex S070 | <<locked>> | 80% | 44,425 psi | 75% | 2615 fps | 98.9% |
| Lovex S071 | <<locked>> | 82% | 30,327 psi | 51% | 2326 fps | 95.6% |
| Norma 204 | <<locked>> | 80% | 42,728 psi | 72% | 2618 fps | 96.9% |
| Norma 217 | <<locked>> | 98% | 35,244 psi | 59% | 2582 fps | 96% |
| Norma MRP | <<locked>> | 80% | 34,389 psi | 58% | 2520 fps | 95.9% |
| Norma URP | <<locked>> | 80% | 43,511 psi | 73% | 2631 fps | 99.9% |
| Ramshot Grand | <<locked>> | 88% | 41,205 psi | 69% | 2667 fps | 95.7% |
| Ramshot Hunter | <<locked>> | 80% | 42,467 psi | 71% | 2631 fps | 99% |
| Ramshot Magnum | <<locked>> | 86% | 34,142 psi | 57% | 2484 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,355 psi | 48% | 1608 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 44,280 psi | 74% | 2667 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 42,467 psi | 71% | 2680 fps | 99.7% |
| ReloadSwiss RS 76 | <<locked>> | 88% | 34,142 psi | 57% | 2556 fps | 95.9% |
| ReloadSwiss RS 80 | <<locked>> | 98% | 43,947 psi | 74% | 2766 fps | 95.1% |
| Rottweil R 904 | <<locked>> | 82% | 40,973 psi | 69% | 2556 fps | 95.3% |
| Rottweil R 905 | <<locked>> | 80% | 36,347 psi | 61% | 2500 fps | 95.2% |
| Rottweil R 907 | <<locked>> | 80% | 47,297 psi | 80% | 2651 fps | 98.8% |
| Shooters World Long Rifle | <<locked>> | 80% | 46,122 psi | 78% | 2625 fps | 99.7% |
| Shooters World SW4350 | <<locked>> | 80% | 44,425 psi | 75% | 2615 fps | 98.9% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 45,078 psi | 76% | 2572 fps | 98.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 36,013 psi | 61% | 2493 fps | 95% |
| Somchem S361 | <<locked>> | 84% | 44,701 psi | 75% | 2605 fps | 95.6% |
| Somchem S365 | <<locked>> | 80% | 40,480 psi | 68% | 2592 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 37,014 psi | 62% | 2490 fps | 96.4% |
| Vihtavuori N150 | <<locked>> | 80% | 48,878 psi | 82% | 2631 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 44,875 psi | 75% | 2628 fps | 99.9% |
| Vihtavuori N165 | <<locked>> | 84% | 36,521 psi | 61% | 2470 fps | 95.8% |
| Vihtavuori N550 | <<locked>> | 80% | 44,483 psi | 75% | 2635 fps | 99.9% |
| Vihtavuori N555 | <<locked>> | 80% | 35,447 psi | 60% | 2497 fps | 99.2% |
| Vihtavuori N560 | <<locked>> | 86% | 42,525 psi | 72% | 2687 fps | 95.2% |
| Vihtavuori N565 | <<locked>> | 92% | 42,438 psi | 71% | 2674 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 44,005 psi | 74% | 2595 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 46,122 psi | 78% | 2697 fps | 99.1% |
| Winchester StaBALL HD | 48.1 gr | 80% | 28,152 psi | 47% | 2434 fps | 99.3% |
| Winchester Supreme 780 | <<locked>> | 84% | 38,624 psi | 65% | 2526 fps | 95.9% |
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 74 powders for 6.5-284 Norma loaded with the .263 | 140gr | Prvi Partizan PSP. Hodgdon Retumbo delivers the highest muzzle velocity at 2,956 fps; across all powders the maximum-charge window runs from 1,755 fps to 2,956 fps. ADI AR 2217 gives the best case fill at 100 %, and 74 of the 74 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (410 MPa), the top charges use 62–90 %, leaving at least 10 % headroom. The 140.0 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. Winchester StaBALL HD, Accurate MAGPRO, Alliant Reloder-26 rank at the top here: for 6.5-284 Norma with the .263 | 140gr | Prvi Partizan PSP they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Alliant Reloder-33, Baschieri & Pellagri 109, IMR 8133 Enduron 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.