Load data for .338-06 A-Square + 250gr Sierra MatchKing
Based on SAAMI, the max. allowed case length is 2.494 in / 63.35 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 63,092 PSI / 4,350 bar.
Based on SAAMI, the max. allowed case length is 2.494 in / 63.35 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 63,092 PSI / 4,350 bar.
Load Specifications
ImperialMetric
Bullet:.338 | 250gr | MatchKing
Cartridge:.338-06 A-Square load data
Case Length (L3):2.494" | 63.3 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.774" | 19.7 mm
Case Capacity:69 gow | 4.47 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (SAAMI):63,092 psi | 4,350 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 .338-06 A-Square + 250gr Sierra 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) |
|---|---|---|---|---|---|
| 46.2 gr | 3.340" | 25.0" | 2318 fps | ••• | |
| 46.7 gr | 3.340" | 25.0" | 2338 fps | ••• | |
| 47.0 gr | 3.340" | 25.0" | 2350 fps | ••• | |
| ••• | 3.340" | 25.0" | 2378 fps | ••• | |
| ••• | 3.340" | 25.0" | 2381 fps | ••• | |
| ••• | 3.340" | 25.0" | 2425 fps | ••• | |
| ••• | 3.340" | 25.0" | 2378 fps | ••• | |
| ••• | 3.340" | 25.0" | 2432 fps | ••• | |
| ••• | 3.340" | 25.0" | 2485 fps | ••• | |
| ••• | 3.340" | 25.0" | 2506 fps | ••• | |
| ••• | 3.340" | 25.0" | 2538 fps | ••• | |
| ••• | 3.340" | 25.0" | 2341 fps | ••• | |
| ••• | 3.340" | 25.0" | 2383 fps | ••• | |
| ••• | 3.340" | 25.0" | 2412 fps | ••• | |
| ••• | 3.340" | 25.0" | 2428 fps | ••• | |
| ••• | 3.340" | 25.0" | 2452 fps | ••• | |
| ••• | 3.340" | 25.0" | 2396 fps | ••• | |
| ••• | 3.340" | 25.0" | 2444 fps | ••• | |
| ••• | 3.340" | 25.0" | 2389 fps | ••• | |
| ••• | 3.340" | 25.0" | 2448 fps | ••• | |
| ••• | 3.340" | 25.0" | 2477 fps | ••• | |
| ••• | 3.340" | 25.0" | 2506 fps | ••• | |
| ••• | 3.340" | 25.0" | 2383 fps | ••• | |
| ••• | 3.340" | 25.0" | 2436 fps | ••• | |
| ••• | 3.340" | 25.0" | 2489 fps | ••• | |
| ••• | 3.340" | 25.0" | 2506 fps | ••• | |
| ••• | 3.340" | 25.0" | 2542 fps | ••• | |
| ••• | 3.340" | 25.0" | 2345 fps | ••• | |
| ••• | 3.340" | 25.0" | 2383 fps | ••• | |
| ••• | 3.340" | 25.0" | 2421 fps | ••• | |
| ••• | 3.340" | 25.0" | 2446 fps | ••• | |
| ••• | 3.340" | 25.0" | 2458 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.