Load data for .455 MK II + 200gr Rim Rock RNFP
17 suitable loads across 4 powder(s) for cartridge .455 MK II with 200gr Rim Rock RNFP bullet.
The most recommended powders for this combination are Hodgdon TrailBoss.
Based on C.I.P., the max. allowed case length is 0.768 in / 19.50 mm, the max. cartridge length is 1.260 in / 32.00 mm, and the max. allowed pressure is 13,053 PSI / 900 bar.
Based on C.I.P., the max. allowed case length is 0.768 in / 19.50 mm, the max. cartridge length is 1.260 in / 32.00 mm, and the max. allowed pressure is 13,053 PSI / 900 bar.
Load Specifications
ImperialMetric
Bullet:.452 | 200gr | RNFP
Cartridge:.455 MK II load data
Case Length (L3):0.767" | 19.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.138" | 3.5 mm
Case Capacity:19 gow | 1.23 cm³
Primer Size:Small Pistol (SP)
Max. Pressure (C.I.P.):13,053 psi | 900 bar
Barrel Length:4.0" | 102 mm
Min. Twist Rate:Stabilizes in any common twist
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