Load data for .338-378 Weath. Mag. + 250gr Nosler Partition RN
329 suitable loads across 53 powder(s) for cartridge .338-378 Weath. Mag. with 250gr Nosler Partition RN bullet.
The most recommended powders for this combination are Hodgdon Retumbo, Vihtavuori N165 and Vihtavuori N570.
i
i
Load Specifications
ImperialMetric
Bullet:.338 | 250gr | Partition RN
Cartridge:.338-378 Weath. Mag. load data
Case Length (l3):2.910" | 73.9 mm
Cartridge Length (C.O.L.):•••
Seated Depth:0.556" | 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:1:15.5
Get PRO license to unlock all data and calculators