Load data for .357 Auto Mag. + 90gr Sierra Sports Master
121 suitable loads across 21 powder(s) for cartridge .357 Auto Mag. with 90gr Sierra Sports Master bullet.
The most recommended powders for this combination are Vihtavuori N32C Tin Star, ReloadSwiss RS 14 and Hodgdon TrailBoss.
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.
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
Bullet:.355 | 90gr | Sports Master
Cartridge:.357 Auto Mag. load data
Case Length (L3):1.299" | 33.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.146" | 3.7 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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