Load data for .338 Norma Mag. + 300gr MAKER .338 ARC/Spectre Expanding Subsonic
425 suitable loads across 73 powder(s) for cartridge .338 Norma Mag. with 300gr MAKER .338 ARC/Spectre Expanding Subsonic bullet.
The most recommended powders for this combination are Hodgdon Retumbo, ReloadSwiss RS 76 and Winchester StaBALL HD.
Based on C.I.P., the max. allowed case length is 2.492 in / 63.30 mm, the max. cartridge length is 3.681 in / 93.50 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Based on C.I.P., the max. allowed case length is 2.492 in / 63.30 mm, the max. cartridge length is 3.681 in / 93.50 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Load Specifications
ImperialMetric
Cartridge:.338 Norma Mag. load data
Case Length (L3):2.490" | 63.2 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.614" | 15.6 mm
Case Capacity:105.4 gow | 6.83 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):63,817 psi | 4,400 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:11.5
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