Load data for .45-70 Govt. + 300gr Remington HP
Based on C.I.P., the max. allowed case length is 2.105 in / 53.47 mm, the max. cartridge length is 2.550 in / 64.77 mm, and the max. allowed pressure is 31,908 PSI / 2,200 bar.
Based on C.I.P., the max. allowed case length is 2.105 in / 53.47 mm, the max. cartridge length is 2.550 in / 64.77 mm, and the max. allowed pressure is 31,908 PSI / 2,200 bar.
Load Specifications
ImperialMetric
Bullet:.458 | 300gr | HP
Cartridge:.45-70 Govt. load data
Case Length (L3):2.105" | 53.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.458" | 11.6 mm
Case Capacity:79 gow | 5.12 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):31,908 psi | 2,200 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:Stabilizes in any common twist
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Community Loads for .45-70 Govt. + 300gr Remington HP
Real loads for this combination shared by our community. Charge weights are only fully visible with an active Pro licence.
| Powder | Charge (gr) | C.O.L. | Barrel Length | Velocity (fps) | Pressure (psi) |
|---|---|---|---|---|---|
| 47.0 gr | 2.550" | 18.0" | 1975 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.