Load data for .357 Auto Mag. + 125gr Rim Rock CN

139 suitable loads across 25 powder(s) for cartridge .357 Auto Mag. with 125gr Rim Rock CN bullet.

The most recommended powders for this combination are Vihtavuori N32C Tin Star, ReloadSwiss RS 14 and Hodgdon TrailBoss.

.357 Auto Mag. cartridge with combo bulletSeated DepthL3 = 1.299 in / 32.99 mmL6 = 1.600 in / 40.64 mmSeated Depth = .313 in / 7.95 mm

Based on C.I.P., the max. allowed case length is 1.299 in / 33.00 mm, the max. cartridge length is 1.600 in / 40.65 mm, and the max. allowed pressure is 36,985 PSI / 2,550 bar.

Load Specifications

ImperialMetric
Case Length (L3):1.299" | 33.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.337" | 8.6 mm
Case Capacity:35 gow | 2.27 cm³
Primer Size:Small Pistol Magnum (SPM)
Max. Pressure (C.I.P.):36,985 psi | 2,550 bar
Barrel Length:6.5" | 165 mm
Min. Twist Rate:Stabilizes in any common twist

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