Load data for .458 SOCOM + 300gr Rim Rock TC Cowboy
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Load Specifications
ImperialMetric
Bullet:.459 | 300gr | TC Cowboy
Cartridge:.458 SOCOM load data
Case Length (l3):1.575" | 40.0 mm
Cartridge Length (C.O.L.):•••
Seated Depth:0.138" | 3.5 mm
Case Capacity:63 gow | 4.08 cm³
Primer Size:Large Pistol (LP)
Max. Pressure (SAAMI)::35,001 psi | 2,413 bar
Barrel Length:16.0" | 406 mm
Min. Twist Rate:Stabilizes in any common twist
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