
Load Specifications
Load data in caliber .260 Rem. with .264 | 140gr | Sellier & Bellot FMJ-BT bullet and 100 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 Hodgdon Superformance.
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 2495 | <<locked>> | 84% | 52,228 psi | 87% | 2559 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 54,157 psi | 90% | 2615 fps | 98.1% |
| Accurate 3100ᴾ | <<locked>> | 100% | 45,934 psi | 76% | 2585 fps | 98.3% |
| Accurate 4064 | <<locked>> | 86% | 52,518 psi | 87% | 2608 fps | 100% |
| Accurate 4350 | <<locked>> | 94% | 52,243 psi | 87% | 2697 fps | 99.9% |
| ADI AR 2206H | <<locked>> | 82% | 52,069 psi | 87% | 2631 fps | 100% |
| ADI AR 2208 | <<locked>> | 88% | 53,026 psi | 88% | 2635 fps | 100% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 53,606 psi | 89% | 2730 fps | 97.4% |
| ADI Benchmark 8208 | <<locked>> | 82% | 54,259 psi | 90% | 2628 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 51,459 psi | 85% | 2743 fps | 100% |
| Alliant Power Pro Varmintᴾ | <<locked>> | 100% | 53,200 psi | 88% | 2723 fps | 97.4% |
| Alliant Power Pro Varmintᴾ | <<locked>> | 100% | 53,200 psi | 88% | 2723 fps | 97.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 53,272 psi | 89% | 2654 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 53,882 psi | 90% | 2677 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 96% | 53,040 psi | 88% | 2746 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 92% | 54,346 psi | 90% | 2779 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 52,417 psi | 87% | 2717 fps | 97.3% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 46,122 psi | 77% | 2657 fps | 96.1% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 43,671 psi | 73% | 2615 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 38,305 psi | 64% | 2523 fps | 97.1% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 49,182 psi | 82% | 2782 fps | 99.8% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 51,706 psi | 86% | 2648 fps | 99.9% |
| Bofors RP3 | <<locked>> | 88% | 53,998 psi | 90% | 2671 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 46,122 psi | 77% | 2657 fps | 96.1% |
| Bofors RP7 | <<locked>> | 92% | 53,824 psi | 89% | 2651 fps | 98.3% |
| Hodgdon BL-C2 | <<locked>> | 82% | 53,838 psi | 89% | 2661 fps | 100% |
| Hodgdon H380 | <<locked>> | 86% | 51,198 psi | 85% | 2635 fps | 99.7% |
| Hodgdon H414 | <<locked>> | 92% | 51,053 psi | 85% | 2690 fps | 98.5% |
| Hodgdon H4350 | <<locked>> | 90% | 51,663 psi | 86% | 2654 fps | 97.4% |
| Hodgdon H4895 | <<locked>> | 82% | 52,591 psi | 87% | 2641 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 53,069 psi | 88% | 2674 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 52,344 psi | 87% | 2674 fps | 100% |
| Hodgdon Superformance | <<locked>> | 92% | 50,966 psi | 85% | 2720 fps | 98.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,839 psi | 60% | 1624 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 53,751 psi | 89% | 2644 fps | 100% |
| IMR 3031 | <<locked>> | 82% | 53,055 psi | 88% | 2621 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 52,779 psi | 88% | 2621 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 52,359 psi | 87% | 2602 fps | 98.5% |
| IMR 4350 | <<locked>> | 96% | 54,186 psi | 90% | 2677 fps | 98.4% |
| IMR 4451 Enduron | <<locked>> | 90% | 52,373 psi | 87% | 2631 fps | 98.5% |
| IMR 4831 | <<locked>> | 96% | 52,750 psi | 88% | 2690 fps | 99.9% |
| IMR 4895 | <<locked>> | 84% | 51,866 psi | 86% | 2657 fps | 100% |
| IMR 8208 XBR | <<locked>> | 82% | 54,259 psi | 90% | 2628 fps | 100% |
| Lovex D073.6 | <<locked>> | 82% | 51,895 psi | 86% | 2605 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 51,430 psi | 85% | 2562 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 52,533 psi | 87% | 2612 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 52,112 psi | 87% | 2628 fps | 99.3% |
| Lovex S070 | <<locked>> | 94% | 52,910 psi | 88% | 2661 fps | 98.8% |
| Lovex S071ᴾ | <<locked>> | 100% | 38,290 psi | 64% | 2448 fps | 96.6% |
| Norma 201 | <<locked>> | 84% | 54,273 psi | 90% | 2628 fps | 100% |
| Norma 202 | <<locked>> | 82% | 51,445 psi | 85% | 2579 fps | 100% |
| Norma 203B | <<locked>> | 86% | 53,098 psi | 88% | 2664 fps | 100% |
| Norma 204 | <<locked>> | 94% | 51,213 psi | 85% | 2671 fps | 96.8% |
| Norma MRPᴾ | <<locked>> | 100% | 48,820 psi | 81% | 2740 fps | 98.1% |
| Norma URP | <<locked>> | 94% | 51,198 psi | 85% | 2684 fps | 99.8% |
| Ramshot Big Game | <<locked>> | 86% | 53,563 psi | 89% | 2690 fps | 100% |
| Ramshot Hunter | <<locked>> | 96% | 53,505 psi | 89% | 2736 fps | 99.3% |
| Ramshot TAC | <<locked>> | 82% | 54,433 psi | 90% | 2654 fps | 99.6% |
| Ramshot Wild Boar | <<locked>> | 82% | 54,143 psi | 90% | 2667 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,448 psi | 61% | 1663 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 51,329 psi | 85% | 2618 fps | 98.8% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 54,360 psi | 90% | 2740 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 53,795 psi | 89% | 2769 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 51,866 psi | 86% | 2717 fps | 99.8% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 50,836 psi | 84% | 2740 fps | 99.7% |
| Rottweil R 902 | <<locked>> | 84% | 51,750 psi | 86% | 2582 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 53,882 psi | 90% | 2664 fps | 100% |
| Rottweil R 904 | <<locked>> | 98% | 51,880 psi | 86% | 2648 fps | 95.8% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 51,503 psi | 86% | 2703 fps | 97.3% |
| Rottweil R 907 | <<locked>> | 92% | 53,824 psi | 89% | 2651 fps | 98.3% |
| Shooters World Long Rifle | <<locked>> | 92% | 52,112 psi | 87% | 2628 fps | 99.3% |
| Shooters World Match Rifle | <<locked>> | 82% | 51,895 psi | 86% | 2605 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 52,533 psi | 87% | 2612 fps | 100% |
| Shooters World SW4350 | <<locked>> | 94% | 52,910 psi | 88% | 2661 fps | 98.8% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 52,243 psi | 87% | 2677 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 53,069 psi | 88% | 2635 fps | 99.7% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 53,780 psi | 89% | 2654 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 52,098 psi | 87% | 2520 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 52,750 psi | 88% | 2523 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 52,040 psi | 86% | 2582 fps | 98.5% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 51,010 psi | 85% | 2697 fps | 97.2% |
| Somchem S335 | <<locked>> | 82% | 51,677 psi | 86% | 2516 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 52,663 psi | 87% | 2625 fps | 100% |
| Somchem S355 | <<locked>> | 90% | 54,157 psi | 90% | 2664 fps | 100% |
| Somchem S365 | <<locked>> | 98% | 52,982 psi | 88% | 2733 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 52,170 psi | 87% | 2680 fps | 98.1% |
| Vihtavuori N133 | <<locked>> | 82% | 52,475 psi | 87% | 2503 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 51,721 psi | 86% | 2549 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 51,996 psi | 86% | 2559 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 51,996 psi | 86% | 2592 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 53,606 psi | 89% | 2680 fps | 99.9% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 44,860 psi | 75% | 2549 fps | 96.1% |
| Vihtavuori N540 | <<locked>> | 86% | 53,345 psi | 89% | 2602 fps | 100% |
| Vihtavuori N550 | <<locked>> | 94% | 52,605 psi | 87% | 2687 fps | 99.8% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 48,602 psi | 81% | 2687 fps | 99.9% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 53,403 psi | 89% | 2657 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 51,459 psi | 85% | 2694 fps | 98.5% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 39,073 psi | 65% | 2644 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 84% | 53,650 psi | 89% | 2657 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 49,139 psi | 82% | 2621 fps | 96.4% |
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% | 45,716 psi | 76% | 2467 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 44,527 psi | 74% | 2461 fps | 96.2% |
| Accurate 3100 | <<locked>> | 92% | 35,201 psi | 58% | 2382 fps | 95.5% |
| Accurate 4064 | <<locked>> | 80% | 43,279 psi | 72% | 2470 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 32,256 psi | 54% | 2326 fps | 96.4% |
| ADI AR 2206H | <<locked>> | 80% | 48,878 psi | 81% | 2582 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 41,698 psi | 69% | 2444 fps | 99.1% |
| ADI AR 2209 | <<locked>> | 94% | 44,106 psi | 73% | 2566 fps | 95% |
| ADI Benchmark 8208 | <<locked>> | 80% | 50,952 psi | 85% | 2582 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 44,802 psi | 74% | 2631 fps | 99.6% |
| Alliant Power Pro Varmint | <<locked>> | 94% | 44,179 psi | 73% | 2572 fps | 95.2% |
| Alliant Power Pro Varmint | <<locked>> | 94% | 44,179 psi | 73% | 2572 fps | 95.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 41,524 psi | 69% | 2467 fps | 99.8% |
| Alliant Reloder-15 | <<locked>> | 80% | 44,512 psi | 74% | 2530 fps | 99.6% |
| Alliant Reloder-16 | 34.8 gr | 80% | 32,372 psi | 54% | 2339 fps | 96.5% |
| Alliant Reloder-17 | <<locked>> | 80% | 36,187 psi | 60% | 2457 fps | 99.2% |
| Alliant Reloder-19 | <<locked>> | 94% | 43,656 psi | 73% | 2562 fps | 95.1% |
| Alliant Reloder-22 | <<locked>> | 98% | 43,192 psi | 72% | 2602 fps | 95.2% |
| Alliant Reloder-23 | <<locked>> | 84% | 26,585 psi | 44% | 2208 fps | 95.4% |
| Alliant Reloder-25 | <<locked>> | 96% | 33,794 psi | 56% | 2411 fps | 95.2% |
| Alliant Reloder-26 | <<locked>> | 88% | 32,184 psi | 53% | 2421 fps | 95.6% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 48,225 psi | 80% | 2592 fps | 99.7% |
| Bofors RP3 | <<locked>> | 80% | 41,510 psi | 69% | 2474 fps | 99.9% |
| Bofors RP5 | <<locked>> | 98% | 43,192 psi | 72% | 2602 fps | 95.2% |
| Bofors RP7 | <<locked>> | 82% | 39,465 psi | 66% | 2398 fps | 95% |
| Hodgdon BL-C2 | <<locked>> | 80% | 50,198 psi | 83% | 2605 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 42,163 psi | 70% | 2480 fps | 98.5% |
| Hodgdon H414 | <<locked>> | 84% | 39,392 psi | 65% | 2480 fps | 95.8% |
| Hodgdon H4350 | <<locked>> | 84% | 42,714 psi | 71% | 2497 fps | 95.2% |
| Hodgdon H4895 | <<locked>> | 80% | 49,414 psi | 82% | 2592 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 29,675 psi | 49% | 2244 fps | 97.2% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 45,643 psi | 76% | 2572 fps | 100% |
| Hodgdon Superformance | 42.6 gr | 86% | 41,408 psi | 69% | 2549 fps | 95.9% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,745 psi | 44% | 1450 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 47,326 psi | 79% | 2546 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 49,588 psi | 82% | 2575 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 43,830 psi | 73% | 2477 fps | 99.5% |
| IMR 4166 Enduron | <<locked>> | 80% | 46,195 psi | 77% | 2500 fps | 97.4% |
| IMR 4350 | <<locked>> | 86% | 39,871 psi | 66% | 2431 fps | 95.2% |
| IMR 4451 Enduron | <<locked>> | 80% | 38,551 psi | 64% | 2382 fps | 95.3% |
| IMR 4831 | <<locked>> | 80% | 31,372 psi | 52% | 2290 fps | 96.1% |
| IMR 4895 | <<locked>> | 80% | 45,643 psi | 76% | 2556 fps | 99.9% |
| IMR 8208 XBR | <<locked>> | 80% | 50,952 psi | 85% | 2582 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 48,646 psi | 81% | 2559 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 48,327 psi | 80% | 2513 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 43,700 psi | 73% | 2474 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 35,998 psi | 60% | 2336 fps | 96.1% |
| Lovex S070 | <<locked>> | 82% | 36,477 psi | 61% | 2362 fps | 95% |
| Lovex S071 | <<locked>> | 98% | 36,013 psi | 60% | 2398 fps | 95.8% |
| Norma 201 | <<locked>> | 80% | 47,790 psi | 79% | 2530 fps | 100% |
| Norma 202 | <<locked>> | 80% | 48,254 psi | 80% | 2533 fps | 100% |
| Norma 203B | <<locked>> | 80% | 43,888 psi | 73% | 2516 fps | 99.7% |
| Norma 204 | <<locked>> | 90% | 44,918 psi | 75% | 2566 fps | 95.2% |
| Norma MRP | <<locked>> | 94% | 39,856 psi | 66% | 2566 fps | 95.7% |
| Norma URP | <<locked>> | 80% | 32,430 psi | 54% | 2326 fps | 96.3% |
| Ramshot Big Game | <<locked>> | 80% | 43,584 psi | 72% | 2533 fps | 99.7% |
| Ramshot Hunter | <<locked>> | 84% | 35,955 psi | 60% | 2415 fps | 95.6% |
| Ramshot TAC | <<locked>> | 80% | 50,865 psi | 85% | 2602 fps | 99.3% |
| Ramshot Wild Boar | <<locked>> | 80% | 50,879 psi | 85% | 2618 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,369 psi | 45% | 1490 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 42,525 psi | 71% | 2467 fps | 97.2% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 47,558 psi | 79% | 2635 fps | 99.8% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 38,479 psi | 64% | 2513 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 31,894 psi | 53% | 2343 fps | 95.8% |
| ReloadSwiss RS 70 | 39 gr | 82% | 33,924 psi | 56% | 2398 fps | 95.8% |
| Rottweil R 902 | <<locked>> | 80% | 45,556 psi | 76% | 2487 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 39,030 psi | 65% | 2425 fps | 99.5% |
| Rottweil R 904 | <<locked>> | 96% | 49,008 psi | 81% | 2602 fps | 95.1% |
| Rottweil R 905 | <<locked>> | 96% | 45,034 psi | 75% | 2595 fps | 95.8% |
| Rottweil R 907 | <<locked>> | 82% | 39,465 psi | 66% | 2398 fps | 95% |
| Shooters World Long Rifle | <<locked>> | 80% | 35,998 psi | 60% | 2336 fps | 96.1% |
| Shooters World Match Rifle | <<locked>> | 80% | 48,646 psi | 81% | 2559 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 43,700 psi | 73% | 2474 fps | 100% |
| Shooters World SW4350 | <<locked>> | 82% | 36,477 psi | 61% | 2362 fps | 95% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 40,118 psi | 67% | 2474 fps | 99.3% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 49,414 psi | 82% | 2579 fps | 99.4% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 47,442 psi | 79% | 2556 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 49,110 psi | 82% | 2477 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 41,191 psi | 68% | 2356 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 37,637 psi | 63% | 2333 fps | 95.2% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 44,599 psi | 74% | 2589 fps | 95.6% |
| Somchem S335 | <<locked>> | 80% | 48,544 psi | 81% | 2474 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 49,124 psi | 82% | 2572 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 39,624 psi | 66% | 2425 fps | 99.5% |
| Somchem S365 | <<locked>> | 80% | 29,109 psi | 48% | 2283 fps | 98.4% |
| Somchem S385 | <<locked>> | 92% | 40,219 psi | 67% | 2474 fps | 95.3% |
| Vihtavuori N133 | <<locked>> | 80% | 49,574 psi | 82% | 2464 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 45,571 psi | 76% | 2461 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 45,774 psi | 76% | 2470 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 37,768 psi | 63% | 2362 fps | 99.8% |
| Vihtavuori N160 | <<locked>> | 80% | 33,823 psi | 56% | 2326 fps | 96.7% |
| Vihtavuori N165 | <<locked>> | 98% | 42,018 psi | 70% | 2500 fps | 95.3% |
| Vihtavuori N540 | <<locked>> | 80% | 44,222 psi | 73% | 2467 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 33,402 psi | 55% | 2329 fps | 96.3% |
| Vihtavuori N555 | <<locked>> | 84% | 28,747 psi | 48% | 2280 fps | 95.6% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 33,286 psi | 55% | 2303 fps | 98.5% |
| Winchester 760 | <<locked>> | 84% | 39,392 psi | 65% | 2480 fps | 95.8% |
| Winchester StaBALL HD | <<locked>> | 88% | 26,629 psi | 44% | 2287 fps | 96.1% |
| Winchester StaBALL Match | <<locked>> | 80% | 47,239 psi | 78% | 2566 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 45,542 psi | 76% | 2562 fps | 95.5% |
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 100 powders for .260 Rem. loaded with the .264 | 140gr | Sellier & Bellot FMJ-BT. Alliant Reloder-26 delivers the highest muzzle velocity at 2,782 fps; across all powders the maximum-charge window runs from 1,624 fps to 2,782 fps. Accurate 3100 gives the best case fill at 100 %, and 100 of the 100 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (415 MPa), the top charges use 60–90 %, leaving at least 10 % headroom. The 140.0 gr projectile in 0.264" calls for a 1:10.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2209, Alliant Power Pro Varmint 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, Hodgdon Superformance rank at the top here: for .260 Rem. with the .264 | 140gr | Sellier & Bellot FMJ-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.