Load data for .458 Win.Mag. + 405gr Remington SP

429 suitable loads across 73 powder(s) for cartridge .458 Win.Mag. with 405gr Remington SP bullet.

The most recommended powders for this combination are SNPE Vectan SP 10, SNPE Vectan Tubal 5000 and Shooters World AR Plus.

.458 Win.Mag. cartridge with combo bulletSeated DepthL3 = 2.500 in / 63.50 mmL6 = 3.340 in / 84.84 mmSeated Depth = .160 in / 4.06 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.

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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