Load data for .400/350 Rigby N.E. + 181gr LOS FP
227 suitable loads across 47 powder(s) for cartridge .400/350 Rigby N.E. with 181gr LOS FP bullet.
The most recommended powders for this combination are IMR 3031, Accurate 4064 and Vihtavuori N135.
Based on C.I.P., the max. allowed case length is 2.750 in / 69.85 mm, the max. cartridge length is 3.690 in / 93.73 mm, and the max. allowed pressure is 40,611 PSI / 2,800 bar.

Based on C.I.P., the max. allowed case length is 2.750 in / 69.85 mm, the max. cartridge length is 3.690 in / 93.73 mm, and the max. allowed pressure is 40,611 PSI / 2,800 bar.

Load Specifications
ImperialMetric
Bullet:.357 | 181gr | FP
Cartridge:.400/350 Rigby N.E. load data
Case Length (L3):2.750" | 69.9 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.357" | 9.1 mm
Case Capacity:78 gow | 5.05 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):40,611 psi | 2,800 bar
Barrel Length:26.0" | 660 mm
Min. Twist Rate:Stabilizes in any common twist
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