Load data for .25 GT + 120gr Sierra HPBT GameKing
605 suitable loads across 101 powder(s) for cartridge .25 GT with 120gr Sierra HPBT GameKing bullet.
The most recommended powders for this combination are ReloadSwiss RS 60, Alliant Power Pro 2000-MR and ReloadSwiss RS 52.
Based on Wildcat, the max. allowed case length is 1.725 in / 43.82 mm, the max. cartridge length is 2.640 in / 67.06 mm, and the max. allowed pressure is 62,001 PSI / 4,275 bar.
Based on Wildcat, the max. allowed case length is 1.725 in / 43.82 mm, the max. cartridge length is 2.640 in / 67.06 mm, and the max. allowed pressure is 62,001 PSI / 4,275 bar.
Load Specifications
ImperialMetric
Bullet:.257 | 120gr | HPBT GameKing
Cartridge:.25 GT load data
Case Length (L3):1.725" | 43.8 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.418" | 10.6 mm
Case Capacity:43.5 gow | 2.82 cm³
Primer Size:Small Rifle (SR)
Max. Pressure (Wildcat):62,001 psi | 4,275 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:10.0
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