Load data for .357 Mag. + 140gr Sierra Sports Master
209 suitable loads across 37 powder(s) for cartridge .357 Mag. with 140gr Sierra Sports Master bullet.
The most recommended powders for this combination are Vihtavuori N105, ADI AP 100 and Vihtavuori N350.
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.
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.
Load Specifications
ImperialMetric
Bullet:.357 | 140gr | Sports Master
Cartridge:.357 Mag. load data
Case Length (L3):1.290" | 32.8 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.321" | 8.1 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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