Load data for .458 Win.Mag. + 400gr Swift A-Frame

438 suitable loads across 77 powder(s) for cartridge .458 Win.Mag. with 400gr Swift A-Frame 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.

Load Specifications

ImperialMetric

Bullet:.458 | 400gr | A-Frame

Cartridge:.458 Win.Mag. load data

Case Length (L3):2.500" | 63.5 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.402" | 10.2 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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Community Loads for .458 Win.Mag. + 400gr Swift A-Frame

Real loads for this combination shared by our community. Charge weights are only fully visible with an active Pro licence.

Charge (gr)	C.O.L.	Barrel Length	Velocity (fps)	Pressure (psi)

66.3 gr	3.228"	25.0"	2262 fps	•••
70.2 gr	3.228"	25.0"	2360 fps	•••

74.1 gr	3.228"	25.0"	2337 fps	•••

•••	3.228"	25.0"	2397 fps	•••

Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.