Load data for .458 Win.Mag. + 450gr Barnes X S
420 suitable loads across 76 powder(s) for cartridge .458 Win.Mag. with 450gr Barnes X S bullet.
The most recommended powders for this combination are Alliant Power Pro 1200-R, SNPE Vectan SP 10 and ADI AR 2219.
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.
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
Bullet:.458 | 450gr | X S
Cartridge:.458 Win.Mag. load data
Case Length (L3):2.500" | 63.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.690" | 17.5 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:1:24.0
Get PRO license to unlock all data and calculators