Load data for .450 Rigby + 400gr Atomic 29 HP
540 suitable loads across 91 powder(s) for cartridge .450 Rigby with 400gr Atomic 29 HP bullet.
The most recommended powders for this combination are Alliant Power Pro 2000-MR, ReloadSwiss RS 52 and Hodgdon CFE223.
Based on C.I.P., the max. allowed case length is 2.894 in / 73.50 mm, the max. cartridge length is 3.750 in / 95.25 mm, and the max. allowed pressure is 58,015 PSI / 4,000 bar.
Based on C.I.P., the max. allowed case length is 2.894 in / 73.50 mm, the max. cartridge length is 3.750 in / 95.25 mm, and the max. allowed pressure is 58,015 PSI / 4,000 bar.
Load Specifications
ImperialMetric
Bullet:.458 | 400gr | HP
Cartridge:.450 Rigby load data
Case Length (L3):2.902" | 73.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.606" | 15.4 mm
Case Capacity:133.01 gow | 8.62 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):58,015 psi | 4,000 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:6.0
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