Load data for .338 Rem. Ultra Mag. + 280gr Barnes LRX BT
Based on C.I.P., the max. allowed case length is 2.760 in / 70.11 mm, the max. cartridge length is 3.600 in / 91.44 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Based on C.I.P., the max. allowed case length is 2.760 in / 70.11 mm, the max. cartridge length is 3.600 in / 91.44 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Load Specifications
ImperialMetric
Bullet:.338 | 280gr | LRX BT
Cartridge:.338 Rem. Ultra Mag. load data
Case Length (L3):2.760" | 70.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:1.020" | 25.9 mm
Case Capacity:110 gow | 7.13 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:1:10.5
Get PRO license to unlock all data and calculators
Community Loads for .338 Rem. Ultra Mag. + 280gr Barnes LRX 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) |
|---|---|---|---|---|---|
| 76.2 gr | 3.600" | 24.0" | 2461 fps | ••• | |
| 69.3 gr | 3.600" | 24.0" | 2390 fps | ••• | |
| 74.0 gr | 3.600" | 24.0" | 2520 fps | ••• | |
| ••• | 3.600" | 24.0" | 2485 fps | ••• | |
| ••• | 3.600" | 24.0" | 2488 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.