Load Specifications
Load data in caliber .260 Picra with .264 | 100gr | Winchester Pointed Soft Point bullet and 41 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Vihtavuori N32C Tin Star, ReloadSwiss RS 14 and Hodgdon TrailBoss.
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 ≥ 60% and propellant combustion ≥ 80%. 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: 5"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 4100² | <<locked>> | 64% | 49,211 psi | 87% | 1627 fps | 96.9% |
| Accurate No. 11 FS*² | <<locked>> | 68% | 45,049 psi | 80% | 1578 fps | 89.7% |
| Accurate Solo 1000² | <<locked>> | 68% | 51,126 psi | 90% | 1450 fps | 100% |
| Accurate Solo 1250² | <<locked>> | 64% | 48,182 psi | 85% | 1437 fps | 100% |
| ADI AP 100² | <<locked>> | 68% | 47,166 psi | 83% | 1539 fps | 100% |
| ADI APS 350² | <<locked>> | 72% | 47,688 psi | 84% | 1365 fps | 100% |
| ADI APS 450² | <<locked>> | 72% | 48,196 psi | 85% | 1385 fps | 100% |
| ADI AS 30² | <<locked>> | 68% | 48,298 psi | 85% | 1401 fps | 100% |
| ADI AS 50N² | <<locked>> | 64% | 51,010 psi | 90% | 1453 fps | 100% |
| Alliant BE-86² | <<locked>> | 64% | 49,400 psi | 87% | 1434 fps | 100% |
| Alliant BLUE DOT² | <<locked>> | 68% | 50,749 psi | 90% | 1640 fps | 100% |
| Alliant Green Dot² | <<locked>> | 64% | 47,587 psi | 84% | 1414 fps | 100% |
| Alliant Herco² | <<locked>> | 72% | 48,356 psi | 85% | 1480 fps | 100% |
| Alliant Power Pro 300-MP*² | <<locked>> | 64% | 48,341 psi | 85% | 1621 fps | 94.1% |
| Alliant RED DOT² | <<locked>> | 68% | 47,921 psi | 85% | 1407 fps | 100% |
| Baschieri & Pellagri 100² | <<locked>> | 64% | 48,704 psi | 86% | 1414 fps | 100% |
| Baschieri & Pellagri 102 Pistol | <<locked>> | 80% | 50,169 psi | 89% | 1421 fps | 100% |
| Hodgdon Clays | <<locked>> | 80% | 47,848 psi | 85% | 1375 fps | 100% |
| Hodgdon H110*² | <<locked>> | 64% | 49,487 psi | 87% | 1640 fps | 93.7% |
| Hodgdon LilGun² | <<locked>> | 64% | 46,862 psi | 83% | 1598 fps | 97.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 32,953 psi | 58% | 1181 fps | 100% |
| IMR 4227* | <<locked>> | 80% | 50,140 psi | 89% | 1660 fps | 89.7% |
| Maxam CSB 1² | <<locked>> | 68% | 49,632 psi | 88% | 1453 fps | 100% |
| Maxam CSB 2² | <<locked>> | 64% | 50,662 psi | 90% | 1453 fps | 100% |
| Maxam CSB 3² | <<locked>> | 64% | 47,442 psi | 84% | 1417 fps | 100% |
| Maxam CSB 4² | <<locked>> | 64% | 47,790 psi | 84% | 1411 fps | 100% |
| Maxam CSB 5² | <<locked>> | 64% | 48,298 psi | 85% | 1394 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 32,880 psi | 58% | 1201 fps | 100% |
| ReloadSwiss RS 30 | <<locked>> | 80% | 49,690 psi | 88% | 1654 fps | 96.6% |
| SNPE Vectan A0² | <<locked>> | 64% | 47,776 psi | 84% | 1460 fps | 100% |
| SNPE Vectan BA10² | <<locked>> | 68% | 49,226 psi | 87% | 1394 fps | 100% |
| SNPE Vectan BA6 1/2 | <<locked>> | 84% | 49,879 psi | 88% | 1621 fps | 99.9% |
| SNPE Vectan BA7 1/2² | <<locked>> | 64% | 47,123 psi | 83% | 1499 fps | 100% |
| Somchem S265*² | <<locked>> | 76% | 48,994 psi | 87% | 1631 fps | 94.1% |
| Vihtavuori 3N38² | <<locked>> | 64% | 47,485 psi | 84% | 1568 fps | 100% |
| Vihtavuori N105² | <<locked>> | 64% | 48,298 psi | 85% | 1568 fps | 100% |
| Vihtavuori N110² | <<locked>> | 76% | 50,415 psi | 89% | 1647 fps | 98.9% |
| Vihtavuori N32C Tin Star | <<locked>> | 96% | 49,748 psi | 88% | 1378 fps | 100% |
| Vihtavuori N350² | <<locked>> | 64% | 50,415 psi | 89% | 1532 fps | 100% |
| Winchester 296*² | <<locked>> | 64% | 47,543 psi | 84% | 1617 fps | 89.9% |
| Winchester AutoComp ² | <<locked>> | 64% | 48,472 psi | 86% | 1447 fps | 100% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 5"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 4100*² | <<locked>> | 60% | 42,902 psi | 76% | 1542 fps | 94.9% |
| Accurate No. 11 FS*² | <<locked>> | 64% | 39,247 psi | 69% | 1483 fps | 86.6% |
| Accurate Solo 1000² | <<locked>> | 60% | 42,917 psi | 76% | 1352 fps | 100% |
| Accurate Solo 1250² | <<locked>> | 60% | 43,700 psi | 77% | 1385 fps | 100% |
| ADI AP 100² | <<locked>> | 60% | 37,956 psi | 67% | 1417 fps | 100% |
| ADI APS 350² | <<locked>> | 60% | 37,811 psi | 67% | 1237 fps | 100% |
| ADI APS 450² | <<locked>> | 60% | 37,811 psi | 67% | 1250 fps | 100% |
| ADI AS 30² | <<locked>> | 60% | 40,785 psi | 72% | 1306 fps | 100% |
| ADI AS 50N² | <<locked>> | 60% | 46,514 psi | 82% | 1401 fps | 100% |
| Alliant BE-86² | <<locked>> | 60% | 44,411 psi | 79% | 1378 fps | 100% |
| Alliant BLUE DOT² | <<locked>> | 60% | 40,306 psi | 71% | 1493 fps | 99.8% |
| Alliant Green Dot² | <<locked>> | 60% | 43,265 psi | 76% | 1365 fps | 100% |
| Alliant Herco² | <<locked>> | 60% | 36,303 psi | 64% | 1325 fps | 100% |
| Alliant Power Pro 300-MP*² | <<locked>> | 60% | 42,279 psi | 75% | 1529 fps | 91.6% |
| Alliant RED DOT² | <<locked>> | 60% | 40,292 psi | 71% | 1309 fps | 100% |
| Baschieri & Pellagri 100² | <<locked>> | 60% | 44,266 psi | 78% | 1362 fps | 100% |
| Baschieri & Pellagri 102 Pistol² | <<locked>> | 60% | 32,184 psi | 57% | 1198 fps | 100% |
| Hodgdon Clays² | <<locked>> | 60% | 32,706 psi | 58% | 1175 fps | 100% |
| Hodgdon H110*² | <<locked>> | 60% | 43,250 psi | 76% | 1549 fps | 91.2% |
| Hodgdon LilGun² | <<locked>> | 60% | 40,654 psi | 72% | 1503 fps | 95.4% |
| Hodgdon TrailBoss² | 6.8 gr | 60% | 16,679 psi | 29% | 892 fps | 100% |
| IMR 4227*² | <<locked>> | 76% | 44,106 psi | 78% | 1568 fps | 86.9% |
| Maxam CSB 1² | <<locked>> | 60% | 41,220 psi | 73% | 1355 fps | 100% |
| Maxam CSB 2² | <<locked>> | 60% | 46,253 psi | 82% | 1401 fps | 100% |
| Maxam CSB 3² | <<locked>> | 60% | 43,192 psi | 76% | 1362 fps | 100% |
| Maxam CSB 4² | <<locked>> | 60% | 43,990 psi | 78% | 1365 fps | 100% |
| Maxam CSB 5² | <<locked>> | 60% | 43,947 psi | 78% | 1339 fps | 100% |
| ReloadSwiss RS 14² | 7 gr | 60% | 16,824 psi | 30% | 912 fps | 100% |
| ReloadSwiss RS 30*² | <<locked>> | 64% | 30,356 psi | 54% | 1335 fps | 86.4% |
| SNPE Vectan A0² | <<locked>> | 60% | 43,091 psi | 76% | 1404 fps | 100% |
| SNPE Vectan BA10² | <<locked>> | 60% | 41,640 psi | 74% | 1302 fps | 100% |
| SNPE Vectan BA6 1/2*² | <<locked>> | 60% | 25,396 psi | 45% | 1217 fps | 91% |
| SNPE Vectan BA7 1/2² | <<locked>> | 60% | 42,279 psi | 75% | 1440 fps | 100% |
| Somchem S265*² | <<locked>> | 64% | 34,403 psi | 61% | 1398 fps | 87.3% |
| Vihtavuori 3N38² | <<locked>> | 60% | 42,105 psi | 74% | 1499 fps | 100% |
| Vihtavuori N105² | <<locked>> | 60% | 43,018 psi | 76% | 1499 fps | 100% |
| Vihtavuori N110*² | <<locked>> | 60% | 30,864 psi | 55% | 1332 fps | 91.5% |
| Vihtavuori N32C Tin Star² | 9.3 gr | 60% | 26,136 psi | 46% | 1060 fps | 100% |
| Vihtavuori N350² | <<locked>> | 60% | 45,498 psi | 80% | 1476 fps | 100% |
| Winchester 296*² | <<locked>> | 60% | 41,060 psi | 73% | 1519 fps | 86.8% |
| Winchester AutoComp ² | <<locked>> | 60% | 44,121 psi | 78% | 1398 fps | 100% |
Recommended = one of the top powders for this cartridge and bullet combination.
* not dangerous but load has suboptimal powder burnt with possible characteristics such as extensive muzzle flash or inaccurate loads.
² fill rate low - you might want to consider using a filler to ensure proper ignition.
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 41 powders for .260 Picra loaded with the .264 | 100gr | Winchester Pointed Soft Point. IMR 4227 delivers the highest muzzle velocity at 1,660 fps; across all powders the maximum-charge window runs from 1,181 fps to 1,660 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 8 of the 41 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (390 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 100.0 gr projectile in 0.264" calls for a 1:12.0 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. Vihtavuori N32C Tin Star, ReloadSwiss RS 14, Hodgdon TrailBoss rank at the top here: for .260 Picra with the .264 | 100gr | Winchester Pointed Soft Point they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate No. 11 FS, Alliant Power Pro 300-MP, Hodgdon H110 burn incompletely and react more sensitively to barrel length and temperature. Hodgdon TrailBoss, ReloadSwiss RS 14, Vihtavuori N32C Tin Star stay subsonic at start load. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.