Load data for .300 Lapua Mag. + 180gr Warner Tool Co. Flat Line

451 suitable loads across 72 powder(s) for cartridge .300 Lapua Mag. with 180gr Warner Tool Co. Flat Line bullet.

The most recommended powders for this combination are Accurate MAGPRO, Alliant Reloder-26 and Accurate High Country.

.300 Lapua Mag. cartridge with combo bulletSeated DepthL3 = 2.724 in / 69.19 mmL6 = 3.680 in / 93.47 mmSeated Depth = .654 in / 16.61 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.

Load Specifications

ImperialMetric
Case Length (L3):2.724" | 69.2 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.709" | 18.0 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:1:9.0

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