Load data for .300 Blaser Mag. + 125gr Sierra MatchKing
576 suitable loads across 93 powder(s) for cartridge .300 Blaser Mag. with 125gr Sierra MatchKing bullet.
The most recommended powders for this combination are ReloadSwiss RS 70, ReloadSwiss RS 60 and Alliant Reloder-17.
Based on C.I.P., the max. allowed case length is 2.528 in / 64.20 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 60,916 PSI / 4,200 bar.
Based on C.I.P., the max. allowed case length is 2.528 in / 64.20 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 60,916 PSI / 4,200 bar.
Load Specifications
ImperialMetric
Bullet:.308 | 125gr | MatchKing
Cartridge:.300 Blaser Mag. load data
Case Length (L3):2.519" | 64.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.409" | 10.4 mm
Case Capacity:92.4 gow | 5.99 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):60,916 psi | 4,200 bar
Barrel Length:25.6" | 650 mm
Min. Twist Rate:1:12.0
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