Load data for .455 MK II + 185gr H&N HP HS
22 suitable loads across 4 powder(s) for cartridge .455 MK II with 185gr H&N HP HS bullet.
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 | 185gr | HP HS
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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