Load data for .458 x 2'' American + 300gr Barnes X FN

110 suitable loads across 20 powder(s) for cartridge .458 x 2'' American with 300gr Barnes X FN bullet.

The most recommended powders for this combination are Hodgdon LilGun, Shooters World Buffalo Rifle and Lovex D060.

.458 x 2'' American cartridge with combo bulletSeated DepthL3 = 2.000 in / 50.80 mmL6 = 2.600 in / 66.04 mmSeated Depth = .519 in / 13.18 mm

Based on Wildcat, the max. allowed case length is 2.000 in / 50.80 mm, the max. cartridge length is 2.600 in / 66.04 mm, and the max. allowed pressure is 59,988 PSI / 4,136 bar.

Load Specifications

ImperialMetric
Case Length (L3):2.000" | 50.8 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.558" | 14.2 mm
Case Capacity:73 gow | 4.73 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (Wildcat):59,988 psi | 4,136 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:Stabilizes in any common twist

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