Load data for .300 Norma Mag. + 180gr Barnes TSX BT
Based on C.I.P., the max. allowed case length is 2.492 in / 63.30 mm, the max. cartridge length is 3.681 in / 93.50 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Based on C.I.P., the max. allowed case length is 2.492 in / 63.30 mm, the max. cartridge length is 3.681 in / 93.50 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Load Specifications
ImperialMetric
Bullet:.308 | 180gr | TSX BT
Cartridge:.300 Norma Mag. load data
Case Length (L3):2.490" | 63.2 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.546" | 13.9 mm
Case Capacity:104 gow | 6.74 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:1:12.5
Get PRO license to unlock all data and calculators
Community Loads for .300 Norma Mag. + 180gr Barnes TSX 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) |
|---|---|---|---|---|---|
| 96.0 gr | 3.240" | 26.0" | 3002 fps | ••• | |
| 79.6 gr | 3.240" | 26.0" | 2742 fps | ••• | |
| 86.5 gr | 3.240" | 26.0" | 2996 fps | ••• | |
| ••• | 3.240" | 26.0" | 2982 fps | ••• | |
| ••• | 3.240" | 26.0" | 3215 fps | ••• | |
| ••• | 3.240" | 26.0" | 3024 fps | ••• | |
| ••• | 3.240" | 26.0" | 2852 fps | ••• | |
| ••• | 3.240" | 26.0" | 3112 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.