Load data for .308 Marlin Express + 150gr Hornady ECX
339 suitable loads across 59 powder(s) for cartridge .308 Marlin Express with 150gr Hornady ECX bullet.
The most recommended powders for this combination are Accurate 2520, Alliant AR-Comp and ADI AR 2219.
Based on C.I.P., the max. allowed case length is 1.920 in / 48.77 mm, the max. cartridge length is 2.600 in / 66.04 mm, and the max. allowed pressure is 47,863 PSI / 3,300 bar.

Based on C.I.P., the max. allowed case length is 1.920 in / 48.77 mm, the max. cartridge length is 2.600 in / 66.04 mm, and the max. allowed pressure is 47,863 PSI / 3,300 bar.

Load Specifications
ImperialMetric
Bullet:.308 | 150gr | ECX
Cartridge:.308 Marlin Express load data
Case Length (L3):1.910" | 48.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.532" | 13.5 mm
Case Capacity:51 gow | 3.30 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):47,863 psi | 3,300 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:13.0
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