Load data for .375 Rem. Ultra Mag. + 285gr Speer Grand Slam
Based on C.I.P., the max. allowed case length is 2.850 in / 72.39 mm, the max. cartridge length is 3.600 in / 91.44 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Based on C.I.P., the max. allowed case length is 2.850 in / 72.39 mm, the max. cartridge length is 3.600 in / 91.44 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Load Specifications
ImperialMetric
Bullet:.375 | 285gr | Grand Slam
Cartridge:.375 Rem. Ultra Mag. load data
Case Length (L3):2.850" | 72.4 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.490" | 12.4 mm
Case Capacity:117 gow | 7.58 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):63,817 psi | 4,400 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:6.0
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Community Loads for .375 Rem. Ultra Mag. + 285gr Speer Grand Slam
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) |
|---|---|---|---|---|---|
| 85.6 gr | 3.580" | — | 2589 fps | ••• | |
| 84.2 gr | 3.580" | — | 2616 fps | ••• | |
| 80.7 gr | 3.580" | — | 2482 fps | ••• | |
| ••• | 3.580" | — | 2712 fps | ••• | |
| ••• | 3.580" | — | 2688 fps | ••• | |
| ••• | 3.580" | — | 2567 fps | ••• | |
| ••• | 3.580" | — | 2561 fps | ••• | |
| ••• | 3.580" | — | 2830 fps | ••• | |
| ••• | 3.580" | — | 2575 fps | ••• | |
| ••• | 3.580" | — | 2504 fps | ••• | |
| ••• | 3.580" | — | 2768 fps | ••• | |
| ••• | 3.580" | — | 2440 fps | ••• | |
| ••• | 3.580" | — | 2678 fps | ••• | |
| ••• | 3.580" | — | 2520 fps | ••• | |
| ••• | 3.580" | — | 2799 fps | ••• | |
| ••• | 3.580" | — | 2643 fps | ••• | |
| ••• | 3.580" | — | 2583 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.