Load data for 8.5 mm Messner Mag. + 250gr Sierra GameKing
Based on C.I.P., the max. allowed case length is 2.514 in / 63.85 mm, the max. cartridge length is 3.465 in / 88.00 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Based on C.I.P., the max. allowed case length is 2.514 in / 63.85 mm, the max. cartridge length is 3.465 in / 88.00 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Load Specifications
ImperialMetric
Bullet:.338 | 250gr | GameKing
Cartridge:8.5 mm Messner Mag. load data
Case Length (L3):2.508" | 63.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.530" | 13.5 mm
Case Capacity:106 gow | 6.87 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):63,817 psi | 4,400 bar
Barrel Length:25.6" | 650 mm
Min. Twist Rate:1:14.0
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