Load data for .40 S&W + 180gr Rim Rock RNFP Cowboy
354 suitable loads across 50 powder(s) for cartridge .40 S&W with 180gr Rim Rock RNFP Cowboy bullet.
The most recommended powders for this combination are Alliant BULLSEYE, Hodgdon Universal and Vihtavuori N330.
Based on C.I.P., the max. allowed case length is 0.850 in / 21.59 mm, the max. cartridge length is 1.135 in / 28.83 mm, and the max. allowed pressure is 32,634 PSI / 2,250 bar.
Based on C.I.P., the max. allowed case length is 0.850 in / 21.59 mm, the max. cartridge length is 1.135 in / 28.83 mm, and the max. allowed pressure is 32,634 PSI / 2,250 bar.
Load Specifications
ImperialMetric
Bullet:.401 | 180gr | RNFP Cowboy
Cartridge:.40 S&W load data
Case Length (L3):0.830" | 21.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.426" | 10.8 mm
Case Capacity:21.5 gow | 1.39 cm³
Primer Size:Small Pistol (SP)
Max. Pressure (C.I.P.):32,634 psi | 2,250 bar
Barrel Length:4.0" | 102 mm
Min. Twist Rate:Stabilizes in any common twist
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