Load data for .300 HAM'R + 168gr Sierra MatchKing
137 suitable loads across 29 powder(s) for cartridge .300 HAM'R with 168gr Sierra MatchKing bullet.
Based on SAAMI, the max. allowed case length is 1.603 in / 40.72 mm, the max. cartridge length is 2.260 in / 57.40 mm, and the max. allowed pressure is 57,500 PSI / 3,965 bar.

Based on SAAMI, the max. allowed case length is 1.603 in / 40.72 mm, the max. cartridge length is 2.260 in / 57.40 mm, and the max. allowed pressure is 57,500 PSI / 3,965 bar.

Load Specifications
ImperialMetric
Bullet:.308 | 168gr | MatchKing
Cartridge:.300 HAM'R load data
Case Length (L3):1.615" | 41.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.604" | 15.3 mm
Case Capacity:31 gow | 2.01 cm³
Primer Size:Small Rifle (SR)
Max. Pressure (SAAMI):57,500 psi | 3,965 bar
Barrel Length:16.0" | 406 mm
Min. Twist Rate:1:13.5
Get PRO license to unlock all data and calculators
Community Loads for .300 HAM'R + 168gr 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) |
|---|---|---|---|---|---|
| 18.0 gr | 2.260" | 18.0" | 1860 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.