Load data for .44 Rem. Mag. + 270gr Speer SP GD
Based on C.I.P., the max. allowed case length is 1.285 in / 32.64 mm, the max. cartridge length is 1.610 in / 40.89 mm, and the max. allowed pressure is 40,611 PSI / 2,800 bar.
Based on C.I.P., the max. allowed case length is 1.285 in / 32.64 mm, the max. cartridge length is 1.610 in / 40.89 mm, and the max. allowed pressure is 40,611 PSI / 2,800 bar.
Load Specifications
ImperialMetric
Bullet:.429 | 270gr | SP GD
Cartridge:.44 Rem. Mag. load data
Case Length (L3):1.275" | 32.4 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.433" | 11.0 mm
Case Capacity:39.5 gow | 2.56 cm³
Primer Size:Large Pistol Magnum (LPM)
Max. Pressure (C.I.P.):40,611 psi | 2,800 bar
Barrel Length:6.0" | 152 mm
Min. Twist Rate:Stabilizes in any common twist
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Community Loads for .44 Rem. Mag. + 270gr 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) |
|---|---|---|---|---|---|
| 22.5 gr | 1.595" | 16.0" | 1295 fps | ••• | |
| 24.5 gr | 1.595" | 16.0" | 1422 fps | ••• | |
| 22.0 gr | 1.585" | 8.3" | 1403 fps | ••• | |
| ••• | 1.595" | 16.0" | 1397 fps | ••• | |
| ••• | 1.595" | 16.0" | 1537 fps | ••• | |
| ••• | 1.595" | 16.0" | 1278 fps | ••• | |
| ••• | 1.595" | 16.0" | 1413 fps | ••• | |
| ••• | 1.595" | 16.0" | 1533 fps | ••• | |
| ••• | 1.595" | 16.0" | 1269 fps | ••• | |
| ••• | 1.595" | 16.0" | 1413 fps | ••• | |
| ••• | 1.595" | 16.0" | 1464 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.