Load data for .444 Marlin + 240gr Speer SP GD
Based on C.I.P., the max. allowed case length is 2.225 in / 56.52 mm, the max. cartridge length is 2.570 in / 65.28 mm, and the max. allowed pressure is 51,488 PSI / 3,550 bar.
Based on C.I.P., the max. allowed case length is 2.225 in / 56.52 mm, the max. cartridge length is 2.570 in / 65.28 mm, and the max. allowed pressure is 51,488 PSI / 3,550 bar.
Load Specifications
ImperialMetric
Bullet:.429 | 240gr | SP GD
Cartridge:.444 Marlin load data
Case Length (L3):2.225" | 56.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.355" | 9.0 mm
Case Capacity:68 gow | 4.41 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):51,488 psi | 3,550 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:Stabilizes in any common twist
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Community Loads for .444 Marlin + 240gr Speer SP GD
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) |
|---|---|---|---|---|---|
| 50.0 gr | 2.545" | — | 2146 fps | ••• | |
| 49.0 gr | 2.545" | — | 2278 fps | ••• | |
| 46.0 gr | 2.545" | — | 2229 fps | ••• | |
| ••• | 2.545" | — | 2400 fps | ••• | |
| ••• | 2.545" | — | 2113 fps | ••• | |
| ••• | 2.545" | — | 2279 fps | ••• | |
| ••• | 2.545" | — | 2175 fps | ••• | |
| ••• | 2.545" | — | 2357 fps | ••• | |
| ••• | 2.545" | — | 2011 fps | ••• | |
| ••• | 2.545" | — | 2191 fps | ••• | |
| ••• | 2.545" | — | 2227 fps | ••• | |
| ••• | 2.545" | — | 1910 fps | ••• | |
| ••• | 2.545" | — | 2072 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.