Load data for .450/400 N.E. 3'' + 300gr Hornady InterLock SP

113 suitable loads across 26 powder(s) for cartridge .450/400 N.E. 3'' with 300gr Hornady InterLock SP bullet.

The most recommended powders for this combination are Somchem S365, ReloadSwiss RS 14 and Hodgdon TrailBoss.

.450/400 N.E. 3'' cartridge with combo bulletSeated DepthL3 = 2.990 in / 75.95 mmL6 = 3.750 in / 95.25 mmSeated Depth = .315 in / 8.00 mm

Based on C.I.P., the max. allowed case length is 3.000 in / 76.20 mm, the max. cartridge length is 3.750 in / 95.25 mm, and the max. allowed pressure is 40,611 PSI / 2,800 bar.

300gr Hornady InterLock SP bullet image

Load Specifications

ImperialMetric
Case Length (L3):2.990" | 75.9 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.411" | 10.4 mm
Case Capacity:115 gow | 7.45 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):40,611 psi | 2,800 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:Stabilizes in any common twist

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