Load data for .300 Weath. Mag. + 220gr Hornady InterLock RN
Based on C.I.P., the max. allowed case length is 2.825 in / 71.75 mm, the max. cartridge length is 3.560 in / 90.42 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Based on C.I.P., the max. allowed case length is 2.825 in / 71.75 mm, the max. cartridge length is 3.560 in / 90.42 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Load Specifications
ImperialMetric
Bullet:.308 | 220gr | InterLock RN
Cartridge:.300 Weath. Mag. load data
Case Length (L3):2.824" | 71.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.512" | 13.0 mm
Case Capacity:98.9 gow | 6.41 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:1:14.5
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Community Loads for .300 Weath. Mag. + 220gr Hornady InterLock RN
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) |
|---|---|---|---|---|---|
| 66.0 gr | 3.565" | 24.0" | 2493 fps | ••• | |
| 70.0 gr | 3.565" | 24.0" | 2625 fps | ••• | |
| 71.0 gr | 3.565" | 24.0" | 2569 fps | ••• | |
| ••• | 3.565" | 24.0" | 2577 fps | ••• | |
| ••• | 3.565" | 24.0" | 2610 fps | ••• | |
| ••• | 3.565" | 24.0" | 2795 fps | ••• | |
| ••• | 3.565" | 24.0" | 2744 fps | ••• | |
| ••• | 3.565" | 24.0" | 2552 fps | ••• | |
| ••• | 3.565" | 24.0" | 2714 fps | ••• | |
| ••• | 3.565" | 24.0" | 2516 fps | ••• | |
| ••• | 3.565" | 24.0" | 2686 fps | ••• | |
| ••• | 3.565" | 24.0" | 2799 fps | ••• | |
| ••• | 3.565" | 24.0" | 2595 fps | ••• | |
| ••• | 3.565" | 24.0" | 2661 fps | ••• | |
| ••• | 3.565" | 24.0" | 2467 fps | ••• | |
| ••• | 3.565" | 24.0" | 2684 fps | ••• | |
| ••• | 3.565" | 24.0" | 2597 fps | ••• | |
| ••• | 3.565" | 24.0" | 2642 fps | ••• | |
| ••• | 3.565" | 24.0" | 2854 fps | ••• | |
| ••• | 3.551" | — | 2762 fps | ••• | |
| ••• | 3.565" | 24.0" | 2741 fps | ••• | |
| ••• | 3.565" | 24.0" | 2668 fps | ••• | |
| ••• | 3.565" | 24.0" | 2540 fps | ••• | |
| ••• | 3.565" | 24.0" | 2722 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.