Load Specifications
Load data in caliber .32 Long Colt with .314 | 100gr | H&N RN HS bullet and 10 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.
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: 3.5"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate Solo 1250*² | <<locked>> | 64% | 12,589 psi | 87% | 741 fps | 91.6% |
| Alliant BE-86*² | <<locked>> | 64% | 11,995 psi | 83% | 735 fps | 93.9% |
| Baschieri & Pellagri 102 Pistol | <<locked>> | 80% | 12,662 psi | 87% | 755 fps | 98.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 8,079 psi | 56% | 614 fps | 95.9% |
| Maxam CSB 1*² | <<locked>> | 68% | 13,068 psi | 90% | 751 fps | 92.4% |
| Maxam CSB 2² | <<locked>> | 68% | 11,284 psi | 78% | 751 fps | 95.8% |
| ReloadSwiss RS 14*ᴾ | <<locked>> | 100% | 6,541 psi | 45% | 574 fps | 87.2% |
| Vihtavuori N32C Tin Star | <<locked>> | 88% | 12,270 psi | 85% | 722 fps | 100% |
| Vihtavuori N330*² | <<locked>> | 64% | 12,430 psi | 86% | 768 fps | 93.3% |
| Winchester AutoComp *² | <<locked>> | 68% | 12,691 psi | 88% | 751 fps | 90.3% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 3.5"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate Solo 1250*² | <<locked>> | 60% | 10,486 psi | 72% | 689 fps | 88.3% |
| Alliant BE-86*² | <<locked>> | 60% | 11,052 psi | 76% | 712 fps | 92.6% |
| Baschieri & Pellagri 102 Pistol*² | <<locked>> | 60% | 6,933 psi | 48% | 594 fps | 88.9% |
| Hodgdon TrailBoss*² | <<locked>> | 76% | 4,786 psi | 33% | 492 fps | 86.5% |
| Maxam CSB 1*² | <<locked>> | 60% | 10,066 psi | 69% | 673 fps | 87.7% |
| Maxam CSB 2*² | <<locked>> | 60% | 9,326 psi | 64% | 696 fps | 92.8% |
| ReloadSwiss RS 14* | <<locked>> | 92% | 5,947 psi | 41% | 551 fps | 85.3% |
| Vihtavuori N32C Tin Star*² | 1.6 gr | 60% | 5,424 psi | 37% | 531 fps | 94.7% |
| Vihtavuori N330*² | <<locked>> | 60% | 11,414 psi | 79% | 741 fps | 91.8% |
| Winchester AutoComp *² | <<locked>> | 60% | 10,095 psi | 70% | 682 fps | 85.9% |
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 10 powders for .32 Long Colt loaded with the .314 | 100gr | H&N RN HS. Vihtavuori N330 delivers the highest muzzle velocity at 768 fps; across all powders the maximum-charge window runs from 574 fps to 768 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 4 of the 10 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (100 MPa), the top charges use 45–90 %, leaving at least 10 % headroom. 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 rank at the top here: for .32 Long Colt with the .314 | 100gr | H&N RN HS they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate Solo 1250, Alliant BE-86, Maxam CSB 1 burn incompletely and react more sensitively to barrel length and temperature. Accurate Solo 1250, Alliant BE-86, Baschieri & Pellagri 102 Pistol 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.