Load data for .378 Weath. Mag. + 260gr Nosler Solid

530 suitable loads across 88 powder(s) for cartridge .378 Weath. Mag. with 260gr Nosler Solid bullet.

The most recommended powders for this combination are Alliant Reloder-26, Norma MRP and Vihtavuori N560.

.378 Weath. Mag. cartridge with combo bulletSeated DepthL3 = 2.913 in / 73.99 mmL6 = 3.655 in / 92.84 mmSeated Depth = .502 in / 12.75 mm

Based on C.I.P., the max. allowed case length is 2.913 in / 73.99 mm, the max. cartridge length is 3.655 in / 92.84 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

260gr Nosler Solid bullet image

Load Specifications

ImperialMetric
Case Length (L3):2.913" | 74.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.557" | 14.1 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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