Load data for .220 Swift + 40gr Sierra VarmintKing

.220 Swift cartridge with combo bulletSeated DepthL3 = 2.205 in / 56.01 mmL6 = 2.680 in / 68.07 mmSeated Depth = .015 in / 0.38 mm

Based on C.I.P., the max. allowed case length is 2.205 in / 56.01 mm, the max. cartridge length is 2.680 in / 68.07 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.

40gr Sierra VarmintKing bullet image

Load Specifications

ImperialMetric
Case Length (L3):2.205" | 56.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.197" | 5.0 mm
Case Capacity:47 gow | 3.05 cm³
Primer Size:Large Rifle (LR)
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

Get PRO license to unlock all data and calculators