Load data for .338 RCM + 250gr Lapua Lock Base
602 suitable loads across 101 powder(s) for cartridge .338 RCM with 250gr Lapua Lock Base bullet.
The most recommended powders for this combination are Alliant Power Pro 2000-MR, ReloadSwiss RS 52 and ReloadSwiss RS 60.
Based on C.I.P., the max. allowed case length is 2.015 in / 51.18 mm, the max. cartridge length is 2.840 in / 72.14 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.
Based on C.I.P., the max. allowed case length is 2.015 in / 51.18 mm, the max. cartridge length is 2.840 in / 72.14 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.
Load Specifications
ImperialMetric
Bullet:.338 | 250gr | Lock Base
Cartridge:.338 RCM load data
Case Length (L3):2.000" | 50.8 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.660" | 16.8 mm
Case Capacity:71 gow | 4.60 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):62,366 psi | 4,300 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:13.5
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