Load data for .30-40 Krag + 250gr Barnes RNSP
Based on C.I.P., the max. allowed case length is 2.314 in / 58.78 mm, the max. cartridge length is 3.089 in / 78.46 mm, and the max. allowed pressure is 47,137 PSI / 3,250 bar.
Based on C.I.P., the max. allowed case length is 2.314 in / 58.78 mm, the max. cartridge length is 3.089 in / 78.46 mm, and the max. allowed pressure is 47,137 PSI / 3,250 bar.
Load Specifications
ImperialMetric
Bullet:.308 | 250gr | RNSP
Cartridge:.30-40 Krag load data
Case Length (L3):2.314" | 58.8 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.691" | 17.6 mm
Case Capacity:58 gow | 3.76 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):47,137 psi | 3,250 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:13.0
Get PRO license to unlock all data and calculators