Load data for 7 mm Weath. Mag. + 140gr Barnes MRX BT
Based on C.I.P., the max. allowed case length is 2.549 in / 64.74 mm, the max. cartridge length is 3.360 in / 85.34 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Based on C.I.P., the max. allowed case length is 2.549 in / 64.74 mm, the max. cartridge length is 3.360 in / 85.34 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Load Specifications
ImperialMetric
Bullet:.284 | 140gr | MRX BT
Cartridge:7 mm Weath. Mag. load data
Case Length (L3):2.549" | 64.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.459" | 11.7 mm
Case Capacity:87 gow | 5.64 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:1:11.5
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Community Loads for 7 mm Weath. Mag. + 140gr Barnes MRX BT
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) |
|---|---|---|---|---|---|
| 69.5 gr | 3.280" | 24.0" | 2941 fps | ••• | |
| 74.5 gr | 3.280" | 24.0" | 3140 fps | ••• | |
| 75.5 gr | 3.280" | 24.0" | 3172 fps | ••• | |
| ••• | 3.280" | 24.0" | 3122 fps | ••• | |
| ••• | 3.280" | 24.0" | 2929 fps | ••• | |
| ••• | 3.280" | 24.0" | 3149 fps | ••• | |
| ••• | 3.280" | 24.0" | 3091 fps | ••• | |
| ••• | 3.280" | 24.0" | 3004 fps | ••• | |
| ••• | 3.280" | 24.0" | 3079 fps | ••• | |
| ••• | 3.280" | 24.0" | 3078 fps | ••• | |
| ••• | 3.280" | 24.0" | 3038 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.