Load data for .300 Win. Mag. + 165gr Speer Boat-Tail
Based on C.I.P., the max. allowed case length is 2.620 in / 66.55 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.
Based on C.I.P., the max. allowed case length is 2.620 in / 66.55 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.
Load Specifications
ImperialMetric
Bullet:.308 | 165gr | Boat-Tail
Cartridge:.300 Win. Mag. load data
Case Length (L3):2.620" | 66.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.469" | 11.9 mm
Case Capacity:90.5 gow | 5.86 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):62,366 psi | 4,300 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:13.5
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Community Loads for .300 Win. Mag. + 165gr Speer Boat-Tail
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) |
|---|---|---|---|---|---|
| 72.0 gr | 3.340" | — | 2742 fps | ••• | |
| 76.0 gr | 3.340" | — | 2900 fps | ••• | |
| 69.0 gr | 3.340" | — | 2925 fps | ••• | |
| ••• | 3.340" | — | 3073 fps | ••• | |
| ••• | 3.340" | — | 2898 fps | ••• | |
| ••• | 3.340" | — | 2815 fps | ••• | |
| ••• | 3.340" | — | 3074 fps | ••• | |
| ••• | 3.340" | 24.0" | 3113 fps | ••• | |
| ••• | 3.340" | — | 2842 fps | ••• | |
| ••• | 3.340" | — | 2992 fps | ••• | |
| ••• | 3.340" | — | 2827 fps | ••• | |
| ••• | 3.340" | — | 2983 fps | ••• | |
| ••• | 3.340" | — | 2843 fps | ••• | |
| ••• | 3.340" | — | 3092 fps | ••• | |
| ••• | 3.340" | — | 2770 fps | ••• | |
| ••• | 3.340" | — | 3100 fps | ••• | |
| ••• | 3.340" | — | 2805 fps | ••• | |
| ••• | 3.340" | — | 2929 fps | ••• | |
| ••• | 3.340" | — | 2833 fps | ••• | |
| ••• | 3.340" | — | 2810 fps | ••• | |
| ••• | 3.340" | — | 2963 fps | ••• | |
| ••• | 3.340" | — | 2877 fps | ••• | |
| ••• | 3.340" | — | 2896 fps | ••• | |
| ••• | 3.340" | — | 3045 fps | ••• | |
| ••• | 3.340" | — | 2873 fps | ••• | |
| ••• | 3.340" | — | 3013 fps | ••• | |
| ••• | 3.340" | — | 2864 fps | ••• | |
| ••• | 3.340" | — | 3012 fps | ••• | |
| ••• | 3.340" | — | 2923 fps | ••• | |
| ••• | 3.340" | — | 3055 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.