Load data for .300 RCM + 155.5gr Warner Tool Co. Flat Line

622 suitable loads across 102 powder(s) for cartridge .300 RCM with 155.5gr Warner Tool Co. Flat Line bullet.

The most recommended powders for this combination are Alliant Power Pro 2000-MR, ReloadSwiss RS 52 and ReloadSwiss RS 60.

.300 RCM cartridge with combo bulletSeated DepthL3 = 2.090 in / 53.09 mmL6 = 2.840 in / 72.14 mmSeated Depth = .690 in / 17.53 mm

Based on C.I.P., the max. allowed case length is 2.100 in / 53.34 mm, the max. cartridge length is 2.840 in / 72.14 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Load Specifications

ImperialMetric
Case Length (L3):2.090" | 53.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.733" | 18.6 mm
Case Capacity:75 gow | 4.86 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):63,817 psi | 4,400 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:10.0

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