Load Specifications
Load data in caliber .25-35 Win. with .257 | 117gr | Winchester Powerpoint bullet and 29 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are IMR 3031, Accurate 4064 and Lovex D073.6.
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: 20"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 84% | 38,305 psi | 87% | 2218 fps | 99.6% |
| Accurate 2460 | <<locked>> | 82% | 38,986 psi | 88% | 2254 fps | 97.6% |
| Accurate 2495 | <<locked>> | 92% | 39,117 psi | 88% | 2293 fps | 99.8% |
| Accurate 2520 | <<locked>> | 86% | 39,160 psi | 89% | 2290 fps | 97.3% |
| Accurate 4064 | <<locked>> | 94% | 39,247 psi | 89% | 2313 fps | 98.4% |
| Alliant AR-Comp | <<locked>> | 86% | 37,565 psi | 85% | 2280 fps | 100% |
| Hodgdon Benchmark | <<locked>> | 84% | 39,885 psi | 90% | 2228 fps | 96.2% |
| Hodgdon BL-C2 | <<locked>> | 88% | 39,900 psi | 90% | 2320 fps | 96.3% |
| Hodgdon H322 | <<locked>> | 82% | 39,929 psi | 90% | 2287 fps | 98.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,721 psi | 76% | 1476 fps | 100% |
| IMR 3031 | <<locked>> | 88% | 38,508 psi | 87% | 2313 fps | 99.3% |
| Lovex D073.5 | <<locked>> | 82% | 38,580 psi | 87% | 2244 fps | 96.2% |
| Lovex D073.6 | <<locked>> | 88% | 37,507 psi | 85% | 2270 fps | 96.8% |
| Norma 202 | <<locked>> | 88% | 38,914 psi | 88% | 2270 fps | 97.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 33,431 psi | 76% | 1503 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 39,697 psi | 90% | 2264 fps | 97% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 39,668 psi | 90% | 2369 fps | 96.3% |
| Rottweil R 901 | <<locked>> | 84% | 38,377 psi | 87% | 2224 fps | 97.5% |
| Shooters World Match Rifle | <<locked>> | 88% | 37,507 psi | 85% | 2270 fps | 96.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 39,059 psi | 88% | 2195 fps | 97.8% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 37,840 psi | 86% | 2192 fps | 98.5% |
| Somchem S321 | <<locked>> | 84% | 39,798 psi | 90% | 2287 fps | 95.8% |
| Somchem S335 | <<locked>> | 86% | 38,087 psi | 86% | 2198 fps | 98.4% |
| Vihtavuori N130 | <<locked>> | 82% | 39,175 psi | 89% | 2198 fps | 99.9% |
| Vihtavuori N133 | <<locked>> | 86% | 38,827 psi | 88% | 2205 fps | 99.6% |
| Vihtavuori N135 | <<locked>> | 92% | 39,842 psi | 90% | 2293 fps | 99.8% |
| Vihtavuori N140 | <<locked>> | 90% | 39,146 psi | 88% | 2257 fps | 98.2% |
| Vihtavuori N540 | <<locked>> | 92% | 40,001 psi | 90% | 2287 fps | 97.9% |
| Winchester 748 | <<locked>> | 86% | 38,145 psi | 86% | 2290 fps | 96% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 20"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 33,765 psi | 76% | 2129 fps | 98.8% |
| Accurate 2460 | <<locked>> | 80% | 36,492 psi | 82% | 2205 fps | 97% |
| Accurate 2495 | <<locked>> | 80% | 26,237 psi | 59% | 2021 fps | 96.8% |
| Accurate 2520 | <<locked>> | 82% | 34,156 psi | 77% | 2195 fps | 95.8% |
| Accurate 4064 | 24.1 gr | 86% | 30,255 psi | 68% | 2129 fps | 95.7% |
| Alliant AR-Comp | <<locked>> | 80% | 31,169 psi | 70% | 2152 fps | 99.8% |
| Hodgdon Benchmark | <<locked>> | 82% | 37,405 psi | 85% | 2178 fps | 95.4% |
| Hodgdon BL-C2 | <<locked>> | 86% | 37,362 psi | 84% | 2274 fps | 95.4% |
| Hodgdon H322 | <<locked>> | 80% | 37,289 psi | 84% | 2238 fps | 98.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,685 psi | 56% | 1309 fps | 100% |
| IMR 3031 | 22.2 gr | 80% | 29,907 psi | 68% | 2129 fps | 97% |
| Lovex D073.5 | <<locked>> | 80% | 36,085 psi | 82% | 2198 fps | 95.5% |
| Lovex D073.6 | 24.8 gr | 84% | 32,706 psi | 74% | 2172 fps | 95.2% |
| Norma 202 | <<locked>> | 80% | 30,400 psi | 69% | 2093 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,961 psi | 56% | 1345 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 37,188 psi | 84% | 2215 fps | 96.3% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 37,231 psi | 84% | 2313 fps | 95.3% |
| Rottweil R 901 | <<locked>> | 80% | 34,011 psi | 77% | 2136 fps | 96.2% |
| Shooters World Match Rifle | <<locked>> | 84% | 32,706 psi | 74% | 2172 fps | 95.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 32,547 psi | 74% | 2067 fps | 95.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 27,891 psi | 63% | 1982 fps | 95.2% |
| Somchem S321 | <<locked>> | 82% | 37,260 psi | 84% | 2238 fps | 95% |
| Somchem S335 | <<locked>> | 80% | 31,691 psi | 72% | 2067 fps | 96.6% |
| Vihtavuori N130 | <<locked>> | 80% | 37,057 psi | 84% | 2159 fps | 99.7% |
| Vihtavuori N133 | <<locked>> | 80% | 32,387 psi | 73% | 2080 fps | 98.4% |
| Vihtavuori N135 | <<locked>> | 80% | 27,369 psi | 62% | 2037 fps | 97.1% |
| Vihtavuori N140 | <<locked>> | 82% | 30,298 psi | 68% | 2077 fps | 95.5% |
| Vihtavuori N540 | <<locked>> | 84% | 31,125 psi | 70% | 2106 fps | 95.1% |
| Winchester 748 | <<locked>> | 84% | 35,737 psi | 81% | 2241 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 29 powders for .25-35 Win. loaded with the .257 | 117gr | Winchester Powerpoint. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,369 fps; across all powders the maximum-charge window runs from 1,476 fps to 2,369 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 29 of the 29 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (305 MPa), the top charges use 76–90 %, leaving at least 10 % headroom. The 117.0 gr projectile in 0.257" calls for a 1:12.5 twist; slower twists will usually not stabilise this weight. 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. IMR 3031, Accurate 4064, Lovex D073.6 rank at the top here: for .25-35 Win. with the .257 | 117gr | Winchester Powerpoint 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.