Load data for .338 Rem. Ultra Mag. + 300gr Sierra HPBT LR MatchKing
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
Cartridge:.338 Rem. Ultra Mag. load data
Case Length (L3):2.760" | 70.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.931" | 23.6 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:1:12.0
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Community Loads for .338 Rem. Ultra Mag. + 300gr Sierra HPBT LR MatchKing
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) |
|---|---|---|---|---|---|
| 70.4 gr | 3.600" | 24.0" | 2251 fps | ••• | |
| 72.3 gr | 3.600" | 24.0" | 2298 fps | ••• | |
| 74.3 gr | 3.600" | 24.0" | 2347 fps | ••• | |
| ••• | 3.600" | 24.0" | 2311 fps | ••• | |
| ••• | 3.600" | 24.0" | 2358 fps | ••• | |
| ••• | 3.600" | 24.0" | 2407 fps | ••• | |
| ••• | 3.600" | 24.0" | 2458 fps | ••• | |
| ••• | 3.600" | 24.0" | 2509 fps | ••• | |
| ••• | 3.600" | 24.0" | 2376 fps | ••• | |
| ••• | 3.600" | 24.0" | 2429 fps | ••• | |
| ••• | 3.600" | 24.0" | 2237 fps | ••• | |
| ••• | 3.600" | 24.0" | 2299 fps | ••• | |
| ••• | 3.600" | 24.0" | 2368 fps | ••• | |
| ••• | 3.600" | 24.0" | 2361 fps | ••• | |
| ••• | 3.600" | 24.0" | 2423 fps | ••• | |
| ••• | 3.600" | 24.0" | 2486 fps | ••• | |
| ••• | 3.600" | 24.0" | 2554 fps | ••• | |
| ••• | 3.600" | 24.0" | 2281 fps | ••• | |
| ••• | 3.600" | 24.0" | 2336 fps | ••• | |
| ••• | 3.600" | 24.0" | 2400 fps | ••• | |
| ••• | 3.600" | 24.0" | 2296 fps | ••• | |
| ••• | 3.600" | 24.0" | 2343 fps | ••• | |
| ••• | 3.600" | 24.0" | 2392 fps | ••• | |
| ••• | 3.600" | 24.0" | 2444 fps | ••• | |
| ••• | 3.600" | 24.0" | 2166 fps | ••• | |
| ••• | 3.600" | 24.0" | 2278 fps | ••• | |
| ••• | 3.600" | 24.0" | 2331 fps | ••• | |
| ••• | 3.600" | 24.0" | 2379 fps | ••• | |
| ••• | 3.600" | 24.0" | 2424 fps | ••• | |
| ••• | 3.600" | 24.0" | 2225 fps | ••• | |
| ••• | 3.600" | 24.0" | 2281 fps | ••• | |
| ••• | 3.600" | 24.0" | 2335 fps | ••• | |
| ••• | 3.600" | 24.0" | 2390 fps | ••• | |
| ••• | 3.600" | 24.0" | 2449 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.