Load data for 37 XC + 300gr Sierra GameKing
543 suitable loads across 94 powder(s) for cartridge 37 XC with 300gr Sierra GameKing bullet.
The most recommended powders for this combination are Vihtavuori N560, Accurate MAGPRO and Norma MRP.
Based on Wildcat, the max. allowed case length is 3.085 in / 78.36 mm, the max. cartridge length is 3.800 in / 96.52 mm, and the max. allowed pressure is 69,618 PSI / 4,800 bar.
Based on Wildcat, the max. allowed case length is 3.085 in / 78.36 mm, the max. cartridge length is 3.800 in / 96.52 mm, and the max. allowed pressure is 69,618 PSI / 4,800 bar.
Load Specifications
ImperialMetric
Bullet:.375 | 300gr | GameKing
Cartridge:37 XC load data
Case Length (L3):3.087" | 78.4 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.722" | 18.3 mm
Case Capacity:139.8 gow | 9.06 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (Wildcat):69,618 psi | 4,800 bar
Barrel Length:30.0" | 762 mm
Min. Twist Rate:1:6.0
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