Load data for .338 ARC + 300gr MAKER .338 ARC/Spectre Expanding Subsonic

459 suitable loads across 97 powder(s) for cartridge .338 ARC with 300gr MAKER .338 ARC/Spectre Expanding Subsonic bullet.

.338 ARC cartridge with combo bulletSeated DepthL3 = 1.300 in / 33.02 mmL6 = 2.260 in / 57.40 mmSeated Depth = .790 in / 20.07 mm

Based on SAAMI, the max. allowed case length is 1.300 in / 33.02 mm, the max. cartridge length is 2.260 in / 57.40 mm, and the max. allowed pressure is 52,000 PSI / 3,585 bar.

Load Specifications

ImperialMetric
Case Length (L3):1.300" | 33.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.790" | 20.1 mm
Case Capacity:33.5 gow | 2.17 cm³
Primer Size:Small Rifle (SR)
Max. Pressure (SAAMI):52,000 psi | 3,585 bar
Barrel Length:18.0" | 457 mm
Min. Twist Rate:1:11.5

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