Load data for .300 Win. Mag. + 212gr Barnes LRX BT Bore Rider
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
Cartridge:.300 Win. Mag. load data
Case Length (L3):2.620" | 66.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.506" | 12.9 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:1:8.5
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Community Loads for .300 Win. Mag. + 212gr Barnes LRX BT Bore Rider
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) |
|---|---|---|---|---|---|
| 67.1 gr | 3.975" | 26.0" | 2623 fps | ••• | |
| 72.1 gr | 3.975" | 26.0" | 2799 fps | ••• | |
| 69.2 gr | 3.975" | 26.0" | 2699 fps | ••• | |
| ••• | 3.975" | 26.0" | 2657 fps | ••• | |
| ••• | 3.975" | 26.0" | 2860 fps | ••• | |
| ••• | 3.975" | 26.0" | 2528 fps | ••• | |
| ••• | 3.975" | 26.0" | 2823 fps | ••• | |
| ••• | 3.975" | 26.0" | 2734 fps | ••• | |
| ••• | 3.975" | 26.0" | 2699 fps | ••• | |
| ••• | 3.975" | 26.0" | 2655 fps | ••• | |
| ••• | 3.975" | 26.0" | 2739 fps | ••• | |
| ••• | 3.975" | 26.0" | 2782 fps | ••• | |
| ••• | 3.975" | 26.0" | 2663 fps | ••• | |
| ••• | 3.975" | 26.0" | 2518 fps | ••• | |
| ••• | 3.340" | 26.0" | 2854 fps | ••• | |
| ••• | 3.975" | 26.0" | 2847 fps | ••• | |
| ••• | 3.975" | 26.0" | 2706 fps | ••• | |
| ••• | 3.975" | 26.0" | 2868 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.