Load data for .378 Weath. Mag. + 300gr Woodleigh FMJ
484 suitable loads across 77 powder(s) for cartridge .378 Weath. Mag. with 300gr Woodleigh FMJ bullet.
The most recommended powders for this combination are Accurate MAGPRO, Alliant Reloder-26 and Ramshot Grand.
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Load Specifications
ImperialMetric
Bullet:.375 | 300gr | FMJ
Cartridge:.378 Weath. Mag. load data
Case Length (l3):2.913" | 74.0 mm
Cartridge Length (C.O.L.):•••
Seated Depth:0.566" | 14.4 mm
Case Capacity:137 gow | 8.88 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.)::63,817 psi | 4,400 bar
Barrel Length:26.0" | 660 mm
Min. Twist Rate:1:6.0
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