Load Specifications
Load data in caliber .360 Buckhammer with .358 | 250gr | Rhino Solid Shank bullet and 20 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 36, Lovex S053 and IMR 4227.
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: 20"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 96% | 43,859 psi | 88% | 1808 fps | 96.6% |
| Accurate No. 11 FS | <<locked>> | 84% | 43,918 psi | 88% | 1798 fps | 99.7% |
| ADI AR 2205 | <<locked>> | 86% | 43,555 psi | 87% | 1732 fps | 100% |
| ADI AR 2207ᴾ | <<locked>> | 100% | 40,059 psi | 80% | 1841 fps | 99.4% |
| Alliant Reloder-7ᴾ | <<locked>> | 100% | 43,192 psi | 86% | 1841 fps | 97.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 28,311 psi | 57% | 1083 fps | 100% |
| IMR 4198ᴾ | <<locked>> | 100% | 37,507 psi | 75% | 1755 fps | 96.2% |
| IMR 4227 | <<locked>> | 94% | 44,034 psi | 88% | 1804 fps | 99% |
| Lovex D060 | <<locked>> | 86% | 43,526 psi | 87% | 1801 fps | 97.7% |
| Lovex D063 | <<locked>> | 86% | 43,047 psi | 86% | 1785 fps | 98.1% |
| Lovex S053 | <<locked>> | 96% | 44,193 psi | 88% | 1811 fps | 100% |
| Norma 200ᴾ | <<locked>> | 100% | 36,825 psi | 74% | 1808 fps | 96.4% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 27,325 psi | 55% | 1106 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 96% | 44,976 psi | 90% | 1857 fps | 99.1% |
| Shooters World Blackout | <<locked>> | 84% | 44,831 psi | 90% | 1814 fps | 98% |
| Shooters World Buffalo Rifle | <<locked>> | 86% | 43,526 psi | 87% | 1801 fps | 97.7% |
| Shooters World SOCOM | <<locked>> | 86% | 43,047 psi | 86% | 1785 fps | 98.1% |
| SNPE Vectan BA6 1/2 | <<locked>> | 98% | 43,337 psi | 87% | 1703 fps | 100% |
| Vihtavuori N110 | <<locked>> | 90% | 44,512 psi | 89% | 1762 fps | 100% |
| Vihtavuori N120ᴾ | <<locked>> | 100% | 40,524 psi | 81% | 1818 fps | 99.9% |
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 1680 | <<locked>> | 92% | 38,609 psi | 77% | 1742 fps | 95.3% |
| Accurate No. 11 FS | <<locked>> | 80% | 38,624 psi | 77% | 1732 fps | 99.2% |
| ADI AR 2205 | <<locked>> | 80% | 36,550 psi | 73% | 1644 fps | 99.8% |
| ADI AR 2207 | <<locked>> | 84% | 25,048 psi | 50% | 1585 fps | 95.3% |
| Alliant Reloder-7 | <<locked>> | 94% | 35,911 psi | 72% | 1742 fps | 95.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 20,668 psi | 41% | 965 fps | 100% |
| IMR 4198 | <<locked>> | 98% | 35,433 psi | 71% | 1722 fps | 95.5% |
| IMR 4227 | 19.5 gr | 80% | 29,298 psi | 59% | 1585 fps | 95.5% |
| Lovex D060 | <<locked>> | 80% | 36,593 psi | 73% | 1703 fps | 96% |
| Lovex D063 | <<locked>> | 80% | 35,302 psi | 71% | 1680 fps | 96.4% |
| Lovex S053 | 19.1 gr | 80% | 28,282 psi | 57% | 1578 fps | 98.5% |
| Norma 200 | <<locked>> | 96% | 32,300 psi | 65% | 1739 fps | 95% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 20,030 psi | 40% | 984 fps | 100% |
| ReloadSwiss RS 36 | 21.2 gr | 82% | 29,254 psi | 59% | 1624 fps | 95.3% |
| Shooters World Blackout | <<locked>> | 80% | 39,450 psi | 79% | 1745 fps | 96.9% |
| Shooters World Buffalo Rifle | <<locked>> | 80% | 36,593 psi | 73% | 1703 fps | 96% |
| Shooters World SOCOM | <<locked>> | 80% | 35,302 psi | 71% | 1680 fps | 96.4% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 27,122 psi | 54% | 1493 fps | 100% |
| Vihtavuori N110 | <<locked>> | 80% | 33,736 psi | 67% | 1631 fps | 100% |
| Vihtavuori N120 | <<locked>> | 80% | 22,785 psi | 46% | 1509 fps | 95.4% |
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 20 powders for .360 Buckhammer loaded with the .358 | 250gr | Rhino Solid Shank. ReloadSwiss RS 36 delivers the highest muzzle velocity at 1,857 fps; across all powders the maximum-charge window runs from 1,083 fps to 1,857 fps. ADI AR 2207 gives the best case fill at 100 %, and 20 of the 20 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (345 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 250.0 gr projectile in 0.358" calls for a 1:6.0 twist; slower twists will usually not stabilise this weight. ADI AR 2207, Alliant Reloder-7, Hodgdon TrailBoss 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 36, Lovex S053, IMR 4227 rank at the top here: for .360 Buckhammer with the .358 | 250gr | Rhino Solid Shank they combine a high case fill with complete burn and sit in the upper velocity band. Hodgdon TrailBoss, ReloadSwiss RS 14 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.