Load data for .357 Mag. + 123gr LOS FP

207 suitable loads across 38 powder(s) for cartridge .357 Mag. with 123gr LOS FP bullet.

The most recommended powders for this combination are Vihtavuori N350, ADI AP 100 and SNPE Vectan BA7 1/2.

.357 Mag. cartridge with combo bulletSeated DepthL3 = 1.290 in / 32.77 mmL6 = 1.590 in / 40.39 mmSeated Depth = .267 in / 6.78 mm

Based on C.I.P., the max. allowed case length is 1.290 in / 32.77 mm, the max. cartridge length is 1.590 in / 40.39 mm, and the max. allowed pressure is 43,511 PSI / 3,000 bar.

123gr LOS FP bullet image

Load Specifications

ImperialMetric
Case Length (L3):1.290" | 32.8 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.291" | 7.4 mm
Case Capacity:25.6 gow | 1.66 cm³
Primer Size:Small Pistol Magnum (SPM)
Max. Pressure (C.I.P.):43,511 psi | 3,000 bar
Barrel Length:6.0" | 152 mm
Min. Twist Rate:Stabilizes in any common twist

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