Load data for .357 SIG + 124gr X-TREME RN HPCB

173 suitable loads across 35 powder(s) for cartridge .357 SIG with 124gr X-TREME RN HPCB bullet.

The most recommended powders for this combination are Vihtavuori 3N37, Alliant UNIQUE and Somchem MP200.

.357 SIG cartridge with combo bulletSeated DepthL3 = .860 in / 21.84 mmL6 = 1.140 in / 28.96 mmSeated Depth = .307 in / 7.80 mm

Based on C.I.P., the max. allowed case length is 0.865 in / 21.97 mm, the max. cartridge length is 1.140 in / 28.96 mm, and the max. allowed pressure is 44,237 PSI / 3,050 bar.

124gr X-TREME RN HPCB bullet image

Load Specifications

ImperialMetric
Case Length (L3):0.860" | 21.8 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.324" | 8.2 mm
Case Capacity:19.5 gow | 1.26 cm³
Primer Size:Small Pistol (SP)
Max. Pressure (C.I.P.):44,237 psi | 3,050 bar
Barrel Length:4.5" | 114 mm
Min. Twist Rate:Stabilizes in any common twist

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