Load data for .45 ACP + 255gr Rim Rock SWC Gas Check
86 suitable loads across 21 powder(s) for cartridge .45 ACP with 255gr Rim Rock SWC Gas Check bullet.
The most recommended powders for this combination are Vihtavuori N32C Tin Star and Hodgdon TrailBoss.
Based on C.I.P., the max. allowed case length is 0.898 in / 22.81 mm, the max. cartridge length is 1.275 in / 32.39 mm, and the max. allowed pressure is 18,855 PSI / 1,300 bar.
Based on C.I.P., the max. allowed case length is 0.898 in / 22.81 mm, the max. cartridge length is 1.275 in / 32.39 mm, and the max. allowed pressure is 18,855 PSI / 1,300 bar.
Load Specifications
ImperialMetric
Bullet:.452 | 255gr | SWC Gas Check
Cartridge:.45 ACP load data
Case Length (L3):0.898" | 22.8 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.328" | 8.3 mm
Case Capacity:25 gow | 1.62 cm³
Primer Size:Large Pistol (LP)
Max. Pressure (C.I.P.):18,855 psi | 1,300 bar
Barrel Length:5.0" | 127 mm
Min. Twist Rate:Stabilizes in any common twist
Get PRO license to unlock all data and calculators