Load data for .338 Norma Mag. + 256gr Warner Tool Co. Flat Line

.338 Norma Mag. cartridge with combo bulletSeated DepthL3 = 2.490 in / 63.25 mmL6 = 3.681 in / 93.50 mmSeated Depth = .709 in / 18.01 mm

Based on C.I.P., the max. allowed case length is 2.492 in / 63.30 mm, the max. cartridge length is 3.681 in / 93.50 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Load Specifications

ImperialMetric
Case Length (L3):2.490" | 63.2 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.764" | 19.4 mm
Case Capacity:105.4 gow | 6.83 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):63,817 psi | 4,400 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:9.5

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