Load Specifications
Load data in caliber .250 Savage with .257 | 100gr | Frontier BTSP bullet and 71 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon LEVERevolution, IMR 3031 and IMR 4895.
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 2015 | <<locked>> | 88% | 45,803 psi | 87% | 2730 fps | 100% |
| Accurate 2460 | <<locked>> | 86% | 46,905 psi | 89% | 2779 fps | 99.5% |
| Accurate 2495 | <<locked>> | 96% | 47,819 psi | 90% | 2822 fps | 100% |
| Accurate 2520 | <<locked>> | 90% | 47,659 psi | 90% | 2831 fps | 99.4% |
| Accurate 4064 | <<locked>> | 98% | 47,152 psi | 89% | 2841 fps | 99.8% |
| Accurate LT-30 | <<locked>> | 82% | 46,804 psi | 88% | 2677 fps | 99.9% |
| Accurate LT-32 | <<locked>> | 82% | 47,166 psi | 89% | 2694 fps | 99.3% |
| ADI AR 2206H | <<locked>> | 92% | 47,674 psi | 90% | 2828 fps | 97% |
| ADI AR 2219 | <<locked>> | 82% | 45,658 psi | 86% | 2779 fps | 99.9% |
| ADI Benchmark 8208 | <<locked>> | 90% | 47,398 psi | 90% | 2795 fps | 98.1% |
| Alliant AR-Comp | <<locked>> | 90% | 45,672 psi | 86% | 2802 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 84% | 44,875 psi | 85% | 2831 fps | 97.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 98% | 46,804 psi | 88% | 2835 fps | 97.8% |
| Alliant Reloder-10x | <<locked>> | 84% | 45,759 psi | 86% | 2740 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 94% | 45,136 psi | 85% | 2802 fps | 95.8% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 44,570 psi | 84% | 2861 fps | 96.5% |
| Baschieri & Pellagri 106 | <<locked>> | 82% | 45,730 psi | 86% | 2674 fps | 100% |
| Bofors RP3 | <<locked>> | 98% | 46,876 psi | 89% | 2848 fps | 97.9% |
| Hodgdon Benchmark | <<locked>> | 88% | 46,876 psi | 89% | 2740 fps | 98.5% |
| Hodgdon BL-C2 | <<locked>> | 90% | 45,005 psi | 85% | 2808 fps | 98.3% |
| Hodgdon CFE223 | <<locked>> | 88% | 46,833 psi | 88% | 2890 fps | 96.2% |
| Hodgdon H322 | <<locked>> | 86% | 47,863 psi | 90% | 2815 fps | 100% |
| Hodgdon H335 | <<locked>> | 84% | 45,455 psi | 86% | 2779 fps | 99.5% |
| Hodgdon H4895 | <<locked>> | 90% | 45,034 psi | 85% | 2789 fps | 97% |
| Hodgdon LEVERevolution | <<locked>> | 94% | 45,803 psi | 87% | 2851 fps | 97.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,895 psi | 64% | 1749 fps | 100% |
| Hodgdon VARGET | <<locked>> | 92% | 46,528 psi | 88% | 2795 fps | 97.2% |
| IMR 3031 | <<locked>> | 92% | 46,180 psi | 87% | 2848 fps | 100% |
| IMR 4064 | <<locked>> | 94% | 45,034 psi | 85% | 2749 fps | 95.8% |
| IMR 4198 | <<locked>> | 84% | 47,050 psi | 89% | 2717 fps | 100% |
| IMR 4895 | <<locked>> | 94% | 46,151 psi | 87% | 2838 fps | 96.8% |
| IMR 8208 XBR | <<locked>> | 90% | 47,398 psi | 90% | 2795 fps | 98.1% |
| Lovex D073.5 | <<locked>> | 86% | 46,876 psi | 89% | 2782 fps | 98.8% |
| Lovex D073.6 | <<locked>> | 92% | 45,759 psi | 86% | 2812 fps | 99.2% |
| Lovex S060 | <<locked>> | 90% | 45,774 psi | 86% | 2717 fps | 96.5% |
| Lovex S062 | <<locked>> | 96% | 47,224 psi | 89% | 2805 fps | 98.2% |
| Norma 201 | <<locked>> | 92% | 46,572 psi | 88% | 2782 fps | 98% |
| Norma 202 | <<locked>> | 92% | 46,717 psi | 88% | 2802 fps | 99.6% |
| Norma 203B | <<locked>> | 96% | 47,210 psi | 89% | 2844 fps | 97% |
| Ramshot Big Game | <<locked>> | 96% | 47,572 psi | 90% | 2861 fps | 96.7% |
| Ramshot Wild Boar | <<locked>> | 90% | 46,282 psi | 87% | 2808 fps | 96.6% |
| Ramshot X-Terminator | <<locked>> | 86% | 45,658 psi | 86% | 2736 fps | 96.3% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 33,910 psi | 64% | 1788 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 86% | 47,224 psi | 89% | 2792 fps | 99.1% |
| ReloadSwiss RS 52 | <<locked>> | 94% | 47,268 psi | 89% | 2910 fps | 96.3% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 47,718 psi | 90% | 2943 fps | 99.3% |
| Rottweil R 901 | <<locked>> | 90% | 47,688 psi | 90% | 2782 fps | 99.6% |
| Rottweil R 902 | <<locked>> | 94% | 46,804 psi | 88% | 2776 fps | 98% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 46,282 psi | 87% | 2828 fps | 97.5% |
| Shooters World Match Rifle | <<locked>> | 92% | 45,759 psi | 86% | 2812 fps | 99.2% |
| Shooters World Precision | <<locked>> | 96% | 47,224 psi | 89% | 2805 fps | 98.2% |
| Shooters World Tactical Rifle | <<locked>> | 84% | 47,065 psi | 89% | 2749 fps | 97.7% |
| SNPE Vectan SP 10 | <<locked>> | 82% | 46,470 psi | 88% | 2789 fps | 99.5% |
| SNPE Vectan SP 11 | <<locked>> | 98% | 45,701 psi | 86% | 2835 fps | 96.4% |
| SNPE Vectan SP 3 | <<locked>> | 84% | 46,615 psi | 88% | 2756 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 92% | 45,905 psi | 87% | 2792 fps | 96.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 90% | 46,267 psi | 87% | 2703 fps | 99.5% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 45,339 psi | 86% | 2697 fps | 99.8% |
| Somchem S321 | <<locked>> | 88% | 47,877 psi | 90% | 2825 fps | 98.5% |
| Somchem S335 | <<locked>> | 90% | 45,150 psi | 85% | 2700 fps | 99.8% |
| Somchem S341 | <<locked>> | 92% | 47,863 psi | 90% | 2812 fps | 96.9% |
| Somchem S355ᴾ | <<locked>> | 100% | 47,427 psi | 90% | 2831 fps | 97.5% |
| Vihtavuori N130 | <<locked>> | 86% | 46,427 psi | 88% | 2697 fps | 100% |
| Vihtavuori N133 | <<locked>> | 90% | 45,992 psi | 87% | 2703 fps | 100% |
| Vihtavuori N135 | <<locked>> | 94% | 45,107 psi | 85% | 2766 fps | 100% |
| Vihtavuori N140 | <<locked>> | 94% | 46,789 psi | 88% | 2776 fps | 99.8% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 45,861 psi | 87% | 2772 fps | 98.3% |
| Vihtavuori N530 | <<locked>> | 90% | 47,456 psi | 90% | 2789 fps | 98.2% |
| Vihtavuori N540 | <<locked>> | 94% | 45,324 psi | 86% | 2766 fps | 99.4% |
| Winchester 748 | <<locked>> | 90% | 46,166 psi | 87% | 2835 fps | 98.7% |
| Winchester StaBALL Match | <<locked>> | 92% | 45,063 psi | 85% | 2795 fps | 97% |
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 2015 | <<locked>> | 80% | 35,563 psi | 67% | 2533 fps | 99.5% |
| Accurate 2460 | <<locked>> | 80% | 38,348 psi | 72% | 2618 fps | 98.2% |
| Accurate 2495 | <<locked>> | 80% | 28,021 psi | 53% | 2415 fps | 98.2% |
| Accurate 2520 | <<locked>> | 80% | 33,649 psi | 64% | 2552 fps | 96.5% |
| Accurate 4064 | <<locked>> | 82% | 28,369 psi | 54% | 2438 fps | 95.8% |
| Accurate LT-30 | <<locked>> | 80% | 44,266 psi | 84% | 2635 fps | 99.8% |
| Accurate LT-32 | <<locked>> | 80% | 44,628 psi | 84% | 2648 fps | 98.9% |
| ADI AR 2206H | <<locked>> | 88% | 42,061 psi | 79% | 2720 fps | 95.6% |
| ADI AR 2219 | <<locked>> | 80% | 42,728 psi | 81% | 2726 fps | 99.6% |
| ADI Benchmark 8208 | <<locked>> | 82% | 36,811 psi | 70% | 2582 fps | 95.4% |
| Alliant AR-Comp | <<locked>> | 80% | 32,692 psi | 62% | 2556 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 39,276 psi | 74% | 2717 fps | 95.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 36,405 psi | 69% | 2628 fps | 95% |
| Alliant Reloder-10x | <<locked>> | 80% | 40,466 psi | 76% | 2644 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 92% | 42,337 psi | 80% | 2746 fps | 95% |
| Alliant Reloder-17 | <<locked>> | 98% | 41,872 psi | 79% | 2802 fps | 95.6% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 42,670 psi | 81% | 2621 fps | 99.8% |
| Bofors RP3 | <<locked>> | 92% | 37,956 psi | 72% | 2674 fps | 95.7% |
| Hodgdon Benchmark | <<locked>> | 80% | 36,956 psi | 70% | 2539 fps | 96.2% |
| Hodgdon BL-C2 | <<locked>> | 82% | 34,476 psi | 65% | 2589 fps | 95.4% |
| Hodgdon CFE223 | <<locked>> | 86% | 43,613 psi | 82% | 2828 fps | 95.3% |
| Hodgdon H322 | <<locked>> | 80% | 39,218 psi | 74% | 2657 fps | 99.2% |
| Hodgdon H335 | <<locked>> | 80% | 39,595 psi | 75% | 2667 fps | 98.6% |
| Hodgdon H4895 | <<locked>> | 86% | 39,697 psi | 75% | 2680 fps | 95.6% |
| Hodgdon LEVERevolution | 32.1 gr | 88% | 38,000 psi | 72% | 2687 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,932 psi | 47% | 1558 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 38,421 psi | 73% | 2631 fps | 95% |
| IMR 3031 | 27 gr | 80% | 31,343 psi | 59% | 2533 fps | 98.2% |
| IMR 4064 | <<locked>> | 92% | 42,206 psi | 80% | 2694 fps | 95% |
| IMR 4198 | <<locked>> | 80% | 41,597 psi | 79% | 2625 fps | 100% |
| IMR 4895 | 31.4 gr | 90% | 40,596 psi | 77% | 2726 fps | 95.3% |
| IMR 8208 XBR | <<locked>> | 82% | 36,811 psi | 70% | 2582 fps | 95.4% |
| Lovex D073.5 | <<locked>> | 80% | 37,971 psi | 72% | 2608 fps | 96.9% |
| Lovex D073.6 | <<locked>> | 80% | 30,414 psi | 57% | 2480 fps | 95.2% |
| Lovex S060 | <<locked>> | 86% | 40,828 psi | 77% | 2618 fps | 95.2% |
| Lovex S062 | <<locked>> | 88% | 36,927 psi | 70% | 2602 fps | 95.7% |
| Norma 201 | <<locked>> | 84% | 36,405 psi | 69% | 2575 fps | 95.4% |
| Norma 202 | <<locked>> | 80% | 31,633 psi | 60% | 2484 fps | 96.5% |
| Norma 203B | <<locked>> | 92% | 41,524 psi | 78% | 2736 fps | 95.5% |
| Ramshot Big Game | <<locked>> | 92% | 41,597 psi | 79% | 2746 fps | 95% |
| Ramshot Wild Boar | <<locked>> | 86% | 40,814 psi | 77% | 2703 fps | 95.1% |
| Ramshot X-Terminator | <<locked>> | 84% | 43,004 psi | 81% | 2687 fps | 95.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,077 psi | 47% | 1598 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 38,624 psi | 73% | 2625 fps | 97.5% |
| ReloadSwiss RS 52 | <<locked>> | 92% | 43,874 psi | 83% | 2844 fps | 95.4% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 34,287 psi | 65% | 2631 fps | 95.3% |
| Rottweil R 901 | <<locked>> | 80% | 35,476 psi | 67% | 2536 fps | 97.4% |
| Rottweil R 902 | <<locked>> | 86% | 36,608 psi | 69% | 2572 fps | 95.5% |
| Rottweil R 903 | <<locked>> | 94% | 37,884 psi | 72% | 2664 fps | 95.2% |
| Shooters World Match Rifle | <<locked>> | 80% | 30,414 psi | 57% | 2480 fps | 95.2% |
| Shooters World Precision | <<locked>> | 88% | 36,927 psi | 70% | 2602 fps | 95.7% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 41,017 psi | 77% | 2635 fps | 96.3% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 43,250 psi | 82% | 2733 fps | 99.1% |
| SNPE Vectan SP 11 | <<locked>> | 96% | 42,917 psi | 81% | 2782 fps | 95.6% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 41,176 psi | 78% | 2657 fps | 99.8% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 40,567 psi | 77% | 2684 fps | 95.1% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 33,895 psi | 64% | 2457 fps | 97.2% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 27,499 psi | 52% | 2313 fps | 96% |
| Somchem S321 | <<locked>> | 80% | 36,550 psi | 69% | 2598 fps | 95.8% |
| Somchem S335 | <<locked>> | 80% | 33,301 psi | 63% | 2461 fps | 97.8% |
| Somchem S341 | <<locked>> | 88% | 41,771 psi | 79% | 2697 fps | 95.3% |
| Somchem S355 | <<locked>> | 94% | 39,479 psi | 75% | 2680 fps | 95.5% |
| Vihtavuori N130 | <<locked>> | 80% | 38,595 psi | 73% | 2556 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 33,808 psi | 64% | 2467 fps | 99.2% |
| Vihtavuori N135 | <<locked>> | 80% | 28,819 psi | 54% | 2425 fps | 98.4% |
| Vihtavuori N140 | <<locked>> | 80% | 30,008 psi | 57% | 2425 fps | 96.3% |
| Vihtavuori N150 | <<locked>> | 92% | 35,215 psi | 67% | 2562 fps | 95.7% |
| Vihtavuori N530 | <<locked>> | 82% | 36,564 psi | 69% | 2572 fps | 95.5% |
| Vihtavuori N540 | <<locked>> | 80% | 28,790 psi | 54% | 2405 fps | 95.1% |
| Winchester 748 | <<locked>> | 80% | 32,924 psi | 62% | 2549 fps | 95.1% |
| Winchester StaBALL Match | <<locked>> | 88% | 39,697 psi | 75% | 2690 fps | 95.6% |
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 71 powders for .250 Savage loaded with the .257 | 100gr | Frontier BTSP. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,943 fps; across all powders the maximum-charge window runs from 1,749 fps to 2,943 fps. Alliant Reloder-17 gives the best case fill at 100 %, and 71 of the 71 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (365 MPa), the top charges use 64–90 %, leaving at least 10 % headroom. The 100.0 gr projectile in 0.257" calls for a 1:9.0 twist; slower twists will usually not stabilise this weight. Alliant Reloder-17, Hodgdon TrailBoss, ReloadSwiss RS 14 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. Hodgdon LEVERevolution, IMR 3031, IMR 4895 rank at the top here: for .250 Savage with the .257 | 100gr | Frontier BTSP 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.