Load data for .45 Win. Mag. + 255gr Rim Rock SWC

182 suitable loads across 31 powder(s) for cartridge .45 Win. Mag. with 255gr Rim Rock SWC bullet.

The most recommended powders for this combination are Vihtavuori N105, ADI AP 100 and SNPE Vectan BA7 1/2.

.45 Win. Mag. cartridge with combo bulletSeated DepthL3 = 1.198 in / 30.43 mmL6 = 1.575 in / 40.00 mmSeated Depth = .323 in / 8.20 mm

Based on C.I.P., the max. allowed case length is 1.198 in / 30.43 mm, the max. cartridge length is 1.575 in / 40.01 mm, and the max. allowed pressure is 39,885 PSI / 2,750 bar.

Load Specifications

ImperialMetric
Case Length (L3):1.198" | 30.4 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.347" | 8.8 mm
Case Capacity:38 gow | 2.46 cm³
Primer Size:Large Pistol (LP)
Max. Pressure (C.I.P.):39,885 psi | 2,750 bar
Barrel Length:6.0" | 152 mm
Min. Twist Rate:Stabilizes in any common twist

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