Load data for .300 Lapua Mag. + 155gr Sierra MatchKing

.300 Lapua Mag. cartridge with combo bulletSeated DepthL3 = 2.724 in / 69.19 mmL6 = 3.680 in / 93.47 mmSeated Depth = .174 in / 4.42 mm

Based on C.I.P., the max. allowed case length is 2.724 in / 69.20 mm, the max. cartridge length is 3.720 in / 94.50 mm, and the max. allowed pressure is 60,916 PSI / 4,200 bar.

155gr Sierra MatchKing bullet image

Load Specifications

ImperialMetric
Case Length (L3):2.724" | 69.2 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.473" | 12.0 mm
Case Capacity:100 gow | 6.48 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):60,916 psi | 4,200 bar
Barrel Length:26.0" | 660 mm
Min. Twist Rate:1:14.5

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