Load data for 8.5 x 63 + 250gr Sierra MatchKing
583 suitable loads across 98 powder(s) for cartridge 8.5 x 63 with 250gr Sierra MatchKing bullet.
The most recommended powders for this combination are Alliant Power Pro 2000-MR, ReloadSwiss RS 60 and ReloadSwiss RS 52.
Based on C.I.P., the max. allowed case length is 2.480 in / 63.00 mm, the max. cartridge length is 3.307 in / 84.00 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.
Based on C.I.P., the max. allowed case length is 2.480 in / 63.00 mm, the max. cartridge length is 3.307 in / 84.00 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.
Load Specifications
ImperialMetric
Bullet:.338 | 250gr | MatchKing
Cartridge:8.5 x 63 load data
Case Length (L3):2.480" | 63.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.790" | 20.1 mm
Case Capacity:75.5 gow | 4.89 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:1:12.5
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