Load data for .38 S&W (Colt N.P.) + 148gr LOS WC
33 suitable loads across 8 powder(s) for cartridge .38 S&W (Colt N.P.) with 148gr LOS WC bullet.
The most recommended powders for this combination are ReloadSwiss RS 14 and Hodgdon TrailBoss.
Based on C.I.P., the max. allowed case length is 0.775 in / 19.69 mm, the max. cartridge length is 1.240 in / 31.50 mm, and the max. allowed pressure is 17,405 PSI / 1,200 bar.
Based on C.I.P., the max. allowed case length is 0.775 in / 19.69 mm, the max. cartridge length is 1.240 in / 31.50 mm, and the max. allowed pressure is 17,405 PSI / 1,200 bar.
Load Specifications
ImperialMetric
Bullet:.357 | 148gr | WC
Cartridge:.38 S&W (Colt N.P.) load data
Case Length (L3):0.775" | 19.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.144" | 3.6 mm
Case Capacity:12 gow | 0.78 cm³
Primer Size:Small Pistol (SP)
Max. Pressure (C.I.P.):17,405 psi | 1,200 bar
Barrel Length:4.0" | 102 mm
Min. Twist Rate:Stabilizes in any common twist
Get PRO license to unlock all data and calculators