Load data for .357 Mag. + 158gr Speer JHP

214 suitable loads across 35 powder(s) for cartridge .357 Mag. with 158gr Speer JHP bullet.

The most recommended powders for this combination are Vihtavuori N105, Lovex D037.2 and ADI AP 100.

Based on C.I.P., the max. allowed case length is 1.290 in / 32.77 mm, the max. cartridge length is 1.590 in / 40.39 mm, and the max. allowed pressure is 43,511 PSI / 3,000 bar.

Load Specifications

ImperialMetric

Bullet:.357 | 158gr | JHP

Cartridge:.357 Mag. load data

Case Length (L3):1.290" | 32.8 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.360" | 9.1 mm

Case Capacity:25.6 gow | 1.66 cm³

Primer Size:Small Pistol Magnum (SPM)

Max. Pressure (C.I.P.):43,511 psi | 3,000 bar

Barrel Length:6.0" | 152 mm

Min. Twist Rate:Stabilizes in any common twist

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Community Loads for .357 Mag. + 158gr Speer JHP

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)

13.7 gr	1.590"	8.1"	1529 fps	•••

13.8 gr	1.570"	—	1440 fps	•••

8.6 gr	1.590"	3.0"	1086 fps	•••

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