Load data for .375 H&H Mag. + 250gr Sierra GameKing

604 suitable loads across 103 powder(s) for cartridge .375 H&H Mag. with 250gr Sierra GameKing bullet.

The most recommended powders for this combination are Alliant Power Pro 2000-MR, ReloadSwiss RS 52 and ReloadSwiss RS 60.

.375 H&H Mag. cartridge with combo bulletSeated DepthL3 = 2.859 in / 72.62 mmL6 = 3.600 in / 91.44 mmSeated Depth = .442 in / 11.23 mm

Based on C.I.P., the max. allowed case length is 2.850 in / 72.39 mm, the max. cartridge length is 3.600 in / 91.44 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.

250gr Sierra GameKing bullet image

Load Specifications

ImperialMetric
Case Length (L3):2.859" | 72.6 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.455" | 11.5 mm
Case Capacity:95.3 gow | 6.18 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):62,366 psi | 4,300 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:6.0

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Community Loads for .375 H&H Mag. + 250gr Sierra GameKing

Real loads for this combination shared by our community. Charge weights are only fully visible with an active Pro licence.

PowderCharge (gr)C.O.L.Barrel LengthVelocity (fps)Pressure (psi)

Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.