Load data for .338-378 Weath. Mag. + 250gr Woodleigh RN SN
329 suitable loads across 56 powder(s) for cartridge .338-378 Weath. Mag. with 250gr Woodleigh RN SN bullet.
The most recommended powders for this combination are Vihtavuori N570, Alliant Reloder-33 and Hodgdon Retumbo.
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Load Specifications
ImperialMetric
Bullet:.338 | 250gr | RN SN
Cartridge:.338-378 Weath. Mag. load data
Case Length (l3):2.910" | 73.9 mm
Cartridge Length (C.O.L.):•••
Seated Depth:0.442" | 11.2 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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