Load data for .338 Norma Mag. + 300gr Sierra HPBT LR MatchKing
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
Cartridge:.338 Norma Mag. load data
Case Length (L3):2.490" | 63.2 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.664" | 16.9 mm
Case Capacity:105.4 gow | 6.83 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 Norma 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) |
|---|---|---|---|---|---|
| 69.3 gr | 3.681" | 24.0" | 2211 fps | ••• | |
| 71.3 gr | 3.681" | 24.0" | 2262 fps | ••• | |
| 73.2 gr | 3.681" | 24.0" | 2235 fps | ••• | |
| ••• | 3.681" | 24.0" | 2274 fps | ••• | |
| ••• | 3.681" | 24.0" | 2320 fps | ••• | |
| ••• | 3.681" | 24.0" | 2370 fps | ••• | |
| ••• | 3.681" | 24.0" | 2427 fps | ••• | |
| ••• | 3.681" | 24.0" | 2351 fps | ••• | |
| ••• | 3.681" | 24.0" | 2250 fps | ••• | |
| ••• | 3.681" | 24.0" | 2230 fps | ••• | |
| ••• | 3.681" | 24.0" | 2293 fps | ••• | |
| ••• | 3.681" | 24.0" | 2356 fps | ••• | |
| ••• | 3.681" | 24.0" | 2412 fps | ••• | |
| ••• | 3.681" | 24.0" | 2262 fps | ••• | |
| ••• | 3.681" | 24.0" | 2269 fps | ••• | |
| ••• | 3.681" | 24.0" | 2325 fps | ••• | |
| ••• | 3.681" | 24.0" | 2258 fps | ••• | |
| ••• | 3.681" | 24.0" | 2322 fps | ••• | |
| ••• | 3.681" | 24.0" | 2376 fps | ••• | |
| ••• | 3.681" | 24.0" | 2158 fps | ••• | |
| ••• | 3.681" | 24.0" | 2214 fps | ••• | |
| ••• | 3.681" | 24.0" | 2266 fps | ••• | |
| ••• | 3.543" | 23.6" | 2239 fps | ••• | |
| ••• | 3.543" | 23.6" | 2538 fps | ••• | |
| ••• | 3.681" | 24.0" | 2344 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.