Load data for .458 Win.Mag. + 350gr Hornady InterLock FP

.458 Win.Mag. cartridge with combo bulletSeated DepthL3 = 2.500 in / 63.50 mmL6 = 3.340 in / 84.84 mmSeated Depth = .050 in / 1.27 mm

Based on C.I.P., the max. allowed case length is 2.500 in / 63.50 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.

350gr Hornady InterLock FP bullet image

Load Specifications

ImperialMetric
Case Length (L3):2.500" | 63.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.458" | 11.6 mm
Case Capacity:95 gow | 6.16 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):62,366 psi | 4,300 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:Stabilizes in any common twist

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