Load data for .30-378 Weath. Mag. + 180gr MEN SPRN

303 suitable loads across 50 powder(s) for cartridge .30-378 Weath. Mag. with 180gr MEN SPRN bullet.

The most recommended powders for this combination are Hodgdon Retumbo, ADI AR 2218 and Vihtavuori N570.

.30-378 Weath. Mag. cartridge with combo bulletSeated DepthL3 = 2.913 in / 73.99 mmL6 = 3.655 in / 92.84 mmSeated Depth = .258 in / 6.55 mm

Based on C.I.P., the max. allowed case length is 2.913 in / 73.99 mm, the max. cartridge length is 3.750 in / 95.25 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Load Specifications

ImperialMetric
Case Length (L3):2.913" | 74.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.313" | 7.9 mm
Case Capacity:133 gow | 8.62 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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