Load data for .300 Win. Mag. + 180gr 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 | 180gr | Boat-Tail
Cartridge:.300 Win. Mag. load data
Case Length (L3):2.620" | 66.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.562" | 14.3 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:1:13.0
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Community Loads for .300 Win. Mag. + 180gr 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) |
|---|---|---|---|---|---|
| 71.0 gr | 3.340" | — | 2693 fps | ••• | |
| 75.0 gr | 3.340" | — | 2835 fps | ••• | |
| 82.0 gr | 3.340" | — | 2363 fps | ••• | |
| ••• | 3.340" | — | 2796 fps | ••• | |
| ••• | 3.340" | — | 2756 fps | ••• | |
| ••• | 3.340" | 24.0" | 2999 fps | ••• | |
| ••• | 3.340" | — | 2861 fps | ••• | |
| ••• | 3.340" | — | 3003 fps | ••• | |
| ••• | 3.340" | — | 2810 fps | ••• | |
| ••• | 3.340" | — | 2960 fps | ••• | |
| ••• | 3.340" | — | 2775 fps | ••• | |
| ••• | 3.340" | — | 2812 fps | ••• | |
| ••• | 3.340" | — | 2958 fps | ••• | |
| ••• | 3.340" | — | 2698 fps | ••• | |
| ••• | 3.340" | — | 3000 fps | ••• | |
| ••• | 3.340" | — | 2760 fps | ••• | |
| ••• | 3.340" | — | 2919 fps | ••• | |
| ••• | 3.340" | — | 2692 fps | ••• | |
| ••• | 3.340" | — | 2855 fps | ••• | |
| ••• | 3.340" | — | 2722 fps | ••• | |
| ••• | 3.340" | — | 2872 fps | ••• | |
| ••• | 3.340" | — | 2794 fps | ••• | |
| ••• | 3.340" | — | 2932 fps | ••• | |
| ••• | 3.340" | — | 2841 fps | ••• | |
| ••• | 3.340" | — | 2972 fps | ••• | |
| ••• | 3.340" | — | 2743 fps | ••• | |
| ••• | 3.340" | — | 2829 fps | ••• | |
| ••• | 3.340" | — | 2729 fps | ••• | |
| ••• | 3.340" | — | 2878 fps | ••• | |
| ••• | 3.340" | — | 2839 fps | ••• | |
| ••• | 3.340" | — | 2995 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.