Load Specifications
Load data in caliber 7 x 49 GJW with .285 | 139gr | Prvi Partizan SP bullet and 57 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are SNPE Vectan SP 3, SNPE Vectan BA6 1/2 and Baschieri & Pellagri 102 Pistol.
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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 4100² | <<locked>> | 68% | 54,012 psi | 85% | 2303 fps | 100% |
| Accurate No. 11 FS² | <<locked>> | 76% | 55,927 psi | 88% | 2408 fps | 100% |
| Accurate No. 2² | <<locked>> | 64% | 57,725 psi | 90% | 1965 fps | 100% |
| Accurate Solo 1000² | <<locked>> | 72% | 54,708 psi | 86% | 1857 fps | 100% |
| Accurate Solo 1250² | <<locked>> | 72% | 57,537 psi | 90% | 1913 fps | 100% |
| ADI AP 100² | <<locked>> | 76% | 56,246 psi | 88% | 2100 fps | 100% |
| ADI APS 350 | <<locked>> | 80% | 55,071 psi | 86% | 1795 fps | 100% |
| ADI APS 450 | <<locked>> | 80% | 55,608 psi | 87% | 1837 fps | 100% |
| ADI AS 30² | <<locked>> | 76% | 55,825 psi | 87% | 1847 fps | 100% |
| ADI AS 50N² | <<locked>> | 68% | 55,158 psi | 86% | 1870 fps | 100% |
| Alliant 2400² | <<locked>> | 68% | 57,101 psi | 89% | 2336 fps | 100% |
| Alliant BE-86² | <<locked>> | 68% | 53,838 psi | 84% | 1864 fps | 100% |
| Alliant BLUE DOT² | <<locked>> | 72% | 55,129 psi | 86% | 2224 fps | 100% |
| Alliant Green Dot² | <<locked>> | 72% | 55,666 psi | 87% | 1883 fps | 100% |
| Alliant Herco | <<locked>> | 80% | 56,521 psi | 89% | 1998 fps | 100% |
| Alliant Power Pro 300-MP² | <<locked>> | 68% | 53,476 psi | 84% | 2369 fps | 100% |
| Alliant RED DOT² | <<locked>> | 76% | 55,390 psi | 87% | 1864 fps | 100% |
| Alliant UNIQUE² | <<locked>> | 68% | 57,493 psi | 90% | 2008 fps | 100% |
| Baschieri & Pellagri 100² | <<locked>> | 68% | 52,866 psi | 83% | 1801 fps | 100% |
| Baschieri & Pellagri 102 Pistol | <<locked>> | 84% | 53,824 psi | 84% | 1831 fps | 100% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 64% | 54,766 psi | 86% | 1854 fps | 100% |
| Hodgdon Clays | <<locked>> | 88% | 54,621 psi | 86% | 1814 fps | 100% |
| Hodgdon H110² | <<locked>> | 68% | 54,694 psi | 86% | 2398 fps | 100% |
| Hodgdon LilGun² | <<locked>> | 68% | 51,285 psi | 80% | 2320 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 32,489 psi | 51% | 1473 fps | 100% |
| Hodgdon Universal² | <<locked>> | 64% | 54,621 psi | 86% | 1906 fps | 100% |
| IMR 4227 | <<locked>> | 84% | 53,925 psi | 85% | 2408 fps | 100% |
| Maxam CSB 1² | <<locked>> | 72% | 53,867 psi | 84% | 1864 fps | 100% |
| Maxam CSB 2² | <<locked>> | 68% | 54,839 psi | 86% | 1867 fps | 100% |
| Maxam CSB 3² | <<locked>> | 72% | 55,579 psi | 87% | 1877 fps | 100% |
| Maxam CSB 4² | <<locked>> | 72% | 56,579 psi | 89% | 1880 fps | 100% |
| Maxam CSB 5² | <<locked>> | 72% | 56,478 psi | 89% | 1844 fps | 100% |
| Ramshot Enforcer² | <<locked>> | 64% | 52,243 psi | 82% | 2260 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 32,822 psi | 51% | 1516 fps | 100% |
| ReloadSwiss RS 20² | <<locked>> | 68% | 57,551 psi | 90% | 1969 fps | 100% |
| ReloadSwiss RS 30 | <<locked>> | 84% | 53,563 psi | 84% | 2382 fps | 100% |
| SNPE Vectan A0² | <<locked>> | 72% | 56,681 psi | 89% | 1939 fps | 100% |
| SNPE Vectan A1² | <<locked>> | 68% | 55,782 psi | 87% | 1896 fps | 100% |
| SNPE Vectan BA 9² | <<locked>> | 68% | 57,043 psi | 89% | 1919 fps | 100% |
| SNPE Vectan BA10² | <<locked>> | 76% | 56,797 psi | 89% | 1850 fps | 100% |
| SNPE Vectan BA6 1/2 | <<locked>> | 88% | 53,171 psi | 83% | 2224 fps | 100% |
| SNPE Vectan BA7 1/2² | <<locked>> | 72% | 56,594 psi | 89% | 2024 fps | 100% |
| SNPE Vectan BA9 1/2² | <<locked>> | 68% | 56,391 psi | 88% | 1919 fps | 100% |
| SNPE Vectan SP 3 | <<locked>> | 96% | 56,768 psi | 89% | 2556 fps | 100% |
| Somchem MS200² | <<locked>> | 68% | 56,159 psi | 88% | 1959 fps | 100% |
| Somchem S265 | <<locked>> | 80% | 52,808 psi | 83% | 2306 fps | 100% |
| Vihtavuori 3N37² | <<locked>> | 64% | 55,796 psi | 87% | 2021 fps | 100% |
| Vihtavuori 3N38² | <<locked>> | 68% | 52,069 psi | 82% | 2106 fps | 100% |
| Vihtavuori N105² | <<locked>> | 68% | 53,055 psi | 83% | 2100 fps | 100% |
| Vihtavuori N110 | <<locked>> | 80% | 54,737 psi | 86% | 2300 fps | 100% |
| Vihtavuori N320² | <<locked>> | 68% | 57,725 psi | 90% | 1873 fps | 100% |
| Vihtavuori N32C Tin Starᴾ | <<locked>> | 100% | 52,504 psi | 82% | 1729 fps | 100% |
| Vihtavuori N330² | <<locked>> | 64% | 57,653 psi | 90% | 1913 fps | 100% |
| Vihtavuori N340² | <<locked>> | 64% | 53,055 psi | 83% | 1906 fps | 100% |
| Vihtavuori N350² | <<locked>> | 68% | 55,172 psi | 86% | 2005 fps | 100% |
| Winchester 296² | <<locked>> | 68% | 52,025 psi | 82% | 2425 fps | 100% |
| Winchester AutoComp ² | <<locked>> | 68% | 52,707 psi | 83% | 1880 fps | 100% |
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 4100² | <<locked>> | 60% | 41,292 psi | 65% | 2136 fps | 100% |
| Accurate No. 11 FS² | <<locked>> | 60% | 32,663 psi | 51% | 2060 fps | 100% |
| Accurate No. 2² | <<locked>> | 60% | 51,793 psi | 81% | 1900 fps | 100% |
| Accurate Solo 1000² | <<locked>> | 60% | 42,279 psi | 66% | 1690 fps | 100% |
| Accurate Solo 1250² | <<locked>> | 60% | 43,207 psi | 68% | 1736 fps | 100% |
| ADI AP 100² | <<locked>> | 60% | 37,318 psi | 58% | 1847 fps | 100% |
| ADI APS 350² | <<locked>> | 60% | 37,855 psi | 59% | 1552 fps | 100% |
| ADI APS 450² | <<locked>> | 60% | 37,623 psi | 59% | 1585 fps | 100% |
| ADI AS 30² | <<locked>> | 60% | 40,480 psi | 63% | 1637 fps | 100% |
| ADI AS 50N² | <<locked>> | 60% | 46,006 psi | 72% | 1749 fps | 100% |
| Alliant 2400² | <<locked>> | 60% | 44,367 psi | 70% | 2172 fps | 100% |
| Alliant BE-86² | <<locked>> | 60% | 44,048 psi | 69% | 1742 fps | 100% |
| Alliant BLUE DOT² | <<locked>> | 60% | 39,218 psi | 61% | 2008 fps | 100% |
| Alliant Green Dot² | <<locked>> | 60% | 43,178 psi | 68% | 1716 fps | 100% |
| Alliant Herco² | <<locked>> | 60% | 35,955 psi | 56% | 1716 fps | 100% |
| Alliant Power Pro 300-MP² | <<locked>> | 60% | 40,321 psi | 63% | 2185 fps | 100% |
| Alliant RED DOT² | <<locked>> | 60% | 39,827 psi | 62% | 1647 fps | 100% |
| Alliant UNIQUE² | <<locked>> | 60% | 47,036 psi | 74% | 1877 fps | 100% |
| Baschieri & Pellagri 100² | <<locked>> | 60% | 43,845 psi | 69% | 1690 fps | 100% |
| Baschieri & Pellagri 102 Pistol² | 11.1 gr | 60% | 31,763 psi | 50% | 1529 fps | 100% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 60% | 49,356 psi | 77% | 1791 fps | 100% |
| Hodgdon Clays² | <<locked>> | 60% | 32,706 psi | 51% | 1493 fps | 100% |
| Hodgdon H110² | <<locked>> | 60% | 41,234 psi | 65% | 2215 fps | 100% |
| Hodgdon LilGun² | <<locked>> | 60% | 38,870 psi | 61% | 2149 fps | 100% |
| Hodgdon TrailBoss² | <<locked>> | 60% | 16,679 psi | 26% | 1138 fps | 100% |
| Hodgdon Universal² | <<locked>> | 60% | 49,734 psi | 78% | 1844 fps | 100% |
| IMR 4227² | <<locked>> | 60% | 25,527 psi | 40% | 1913 fps | 99.1% |
| Maxam CSB 1² | <<locked>> | 60% | 40,712 psi | 64% | 1693 fps | 100% |
| Maxam CSB 2² | <<locked>> | 60% | 45,339 psi | 71% | 1745 fps | 100% |
| Maxam CSB 3² | <<locked>> | 60% | 42,641 psi | 67% | 1709 fps | 100% |
| Maxam CSB 4² | <<locked>> | 60% | 43,410 psi | 68% | 1706 fps | 100% |
| Maxam CSB 5² | <<locked>> | 60% | 43,830 psi | 69% | 1677 fps | 100% |
| Ramshot Enforcer² | <<locked>> | 60% | 45,585 psi | 71% | 2175 fps | 100% |
| ReloadSwiss RS 14² | <<locked>> | 60% | 16,534 psi | 26% | 1165 fps | 100% |
| ReloadSwiss RS 20² | <<locked>> | 60% | 47,108 psi | 74% | 1844 fps | 100% |
| ReloadSwiss RS 30² | <<locked>> | 60% | 25,266 psi | 40% | 1926 fps | 100% |
| SNPE Vectan A0² | <<locked>> | 60% | 42,830 psi | 67% | 1765 fps | 100% |
| SNPE Vectan A1² | <<locked>> | 60% | 45,876 psi | 72% | 1775 fps | 100% |
| SNPE Vectan BA 9² | <<locked>> | 60% | 46,673 psi | 73% | 1795 fps | 100% |
| SNPE Vectan BA10² | <<locked>> | 60% | 41,191 psi | 65% | 1640 fps | 100% |
| SNPE Vectan BA6 1/2² | 15.6 gr | 60% | 24,526 psi | 38% | 1775 fps | 100% |
| SNPE Vectan BA7 1/2² | <<locked>> | 60% | 41,437 psi | 65% | 1834 fps | 100% |
| SNPE Vectan BA9 1/2² | <<locked>> | 60% | 46,891 psi | 73% | 1801 fps | 100% |
| SNPE Vectan SP 3*² | 17.9 gr | 60% | 18,188 psi | 28% | 1755 fps | 89.3% |
| Somchem MS200² | <<locked>> | 60% | 46,572 psi | 73% | 1837 fps | 100% |
| Somchem S265² | <<locked>> | 60% | 29,254 psi | 46% | 1926 fps | 100% |
| Vihtavuori 3N37² | <<locked>> | 60% | 49,835 psi | 78% | 1952 fps | 100% |
| Vihtavuori 3N38² | <<locked>> | 60% | 40,872 psi | 64% | 1959 fps | 100% |
| Vihtavuori N105² | <<locked>> | 60% | 41,611 psi | 65% | 1955 fps | 100% |
| Vihtavuori N110² | <<locked>> | 60% | 29,544 psi | 46% | 1926 fps | 100% |
| Vihtavuori N320² | <<locked>> | 60% | 47,964 psi | 75% | 1755 fps | 100% |
| Vihtavuori N32C Tin Star² | <<locked>> | 60% | 26,005 psi | 41% | 1335 fps | 100% |
| Vihtavuori N330² | <<locked>> | 60% | 52,417 psi | 82% | 1854 fps | 100% |
| Vihtavuori N340² | <<locked>> | 60% | 48,066 psi | 75% | 1847 fps | 100% |
| Vihtavuori N350² | <<locked>> | 60% | 44,469 psi | 70% | 1873 fps | 100% |
| Winchester 296² | <<locked>> | 60% | 39,450 psi | 62% | 2238 fps | 100% |
| Winchester AutoComp ² | <<locked>> | 60% | 43,816 psi | 69% | 1765 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 57 powders for 7 x 49 GJW loaded with the .285 | 139gr | Prvi Partizan SP. SNPE Vectan SP 3 delivers the highest muzzle velocity at 2,556 fps; across all powders the maximum-charge window runs from 1,473 fps to 2,556 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 14 of the 57 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 51–90 %, leaving at least 10 % headroom. The 139.0 gr projectile in 0.285" calls for a 1:16.0 twist; slower twists will usually not stabilise this weight. Hodgdon TrailBoss, ReloadSwiss RS 14, Vihtavuori N32C Tin Star 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. SNPE Vectan SP 3, SNPE Vectan BA6 1/2, Baschieri & Pellagri 102 Pistol rank at the top here: for 7 x 49 GJW with the .285 | 139gr | Prvi Partizan SP 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.