Load data for .357 Maximum + 158gr Sierra JSP FN
142 suitable loads across 23 powder(s) for cartridge .357 Maximum with 158gr Sierra JSP FN 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 1.605 in / 40.77 mm, the max. cartridge length is 1.990 in / 50.55 mm, and the max. allowed pressure is 44,962 PSI / 3,100 bar.
Based on C.I.P., the max. allowed case length is 1.605 in / 40.77 mm, the max. cartridge length is 1.990 in / 50.55 mm, and the max. allowed pressure is 44,962 PSI / 3,100 bar.
Load Specifications
ImperialMetric
Bullet:.357 | 158gr | JSP FN
Cartridge:.357 Maximum load data
Case Length (L3):1.600" | 40.6 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.281" | 7.1 mm
Case Capacity:33.6 gow | 2.18 cm³
Primer Size:Small Pistol (SP)
Max. Pressure (C.I.P.):44,962 psi | 3,100 bar
Barrel Length:7.5" | 191 mm
Min. Twist Rate:Stabilizes in any common twist
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