Load data for 8.5 x 55 Blaser + 250gr Sierra GameKing
608 suitable loads across 106 powder(s) for cartridge 8.5 x 55 Blaser with 250gr Sierra GameKing bullet.
The most recommended powders for this combination are Alliant Power Pro 2000-MR, Alliant Reloder-17 and ReloadSwiss RS 60.
Based on C.I.P., the max. allowed case length is 2.154 in / 54.70 mm, the max. cartridge length is 2.986 in / 75.84 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.
Based on C.I.P., the max. allowed case length is 2.154 in / 54.70 mm, the max. cartridge length is 2.986 in / 75.84 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.
Load Specifications
ImperialMetric
Bullet:.338 | 250gr | GameKing
Cartridge:8.5 x 55 Blaser load data
Case Length (L3):2.150" | 54.6 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.650" | 16.5 mm
Case Capacity:77 gow | 4.99 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):62,366 psi | 4,300 bar
Barrel Length:23.6" | 600 mm
Min. Twist Rate:1:14.0
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