Load data for .300 RCM + 185gr Lapua D46

597 suitable loads across 104 powder(s) for cartridge .300 RCM with 185gr Lapua D46 bullet.

The most recommended powders for this combination are Alliant Reloder-17, ReloadSwiss RS 60 and ReloadSwiss RS 70.

.300 RCM cartridge with combo bulletSeated DepthL3 = 2.090 in / 53.09 mmL6 = 2.840 in / 72.14 mmSeated Depth = .565 in / 14.35 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.

185gr Lapua D46 bullet image

Load Specifications

ImperialMetric
Case Length (L3):2.090" | 53.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.608" | 15.4 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:1:12.5

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