Load data for .357 SIG + 125gr Speer TMJ

205 suitable loads across 38 powder(s) for cartridge .357 SIG with 125gr Speer TMJ bullet.

The most recommended powders for this combination are Vihtavuori 3N37, Alliant UNIQUE and ReloadSwiss RS 20.

.357 SIG cartridge with combo bulletSeated DepthL3 = .860 in / 21.84 mmL6 = 1.140 in / 28.96 mmSeated Depth = .245 in / 6.22 mm

Based on C.I.P., the max. allowed case length is 0.865 in / 21.97 mm, the max. cartridge length is 1.140 in / 28.96 mm, and the max. allowed pressure is 44,237 PSI / 3,050 bar.

Load Specifications

ImperialMetric
Case Length (L3):0.860" | 21.8 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.262" | 6.7 mm
Case Capacity:19.5 gow | 1.26 cm³
Primer Size:Small Pistol (SP)
Max. Pressure (C.I.P.):44,237 psi | 3,050 bar
Barrel Length:4.5" | 114 mm
Min. Twist Rate:Stabilizes in any common twist

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