Load data for .300 RCM + 150gr Hornady SP

531 suitable loads across 98 powder(s) for cartridge .300 RCM with 150gr Hornady SP bullet.

The most recommended powders for this combination are ReloadSwiss RS 60, Alliant Power Pro 2000-MR and Alliant Reloder-17.

.300 RCM cartridge with combo bulletSeated DepthL3 = 2.090 in / 53.09 mmL6 = 2.840 in / 72.14 mmSeated Depth = .321 in / 8.15 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.

150gr Hornady SP bullet image

Load Specifications

ImperialMetric
Case Length (L3):2.090" | 53.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.364" | 9.2 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:1:15.0

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