Load data for .44 Auto Mag. + 255gr Rim Rock SWC Gas Check
133 suitable loads across 22 powder(s) for cartridge .44 Auto Mag. with 255gr Rim Rock SWC Gas Check bullet.
The most recommended powders for this combination are Vihtavuori N105, ADI AP 100 and Vihtavuori N32C Tin Star.
Based on C.I.P., the max. allowed case length is 1.298 in / 32.97 mm, the max. cartridge length is 1.700 in / 43.18 mm, and the max. allowed pressure is 36,985 PSI / 2,550 bar.
Based on C.I.P., the max. allowed case length is 1.298 in / 32.97 mm, the max. cartridge length is 1.700 in / 43.18 mm, and the max. allowed pressure is 36,985 PSI / 2,550 bar.
Load Specifications
ImperialMetric
Bullet:.43 | 255gr | SWC Gas Check
Cartridge:.44 Auto Mag. load data
Case Length (L3):1.298" | 33.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.435" | 11.1 mm
Case Capacity:39 gow | 2.53 cm³
Primer Size:Large Pistol Magnum (LPM)
Max. Pressure (C.I.P.):36,985 psi | 2,550 bar
Barrel Length:6.5" | 165 mm
Min. Twist Rate:Stabilizes in any common twist
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