Load data for 17-556 KAK + 20gr Impala LWHV LS
Based on Wildcat, the max. allowed case length is 1.760 in / 44.70 mm, the max. cartridge length is 2.260 in / 57.40 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.
Based on Wildcat, the max. allowed case length is 1.760 in / 44.70 mm, the max. cartridge length is 2.260 in / 57.40 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.
Load Specifications
ImperialMetric
Bullet:.172 | 20gr | Impala LWHV LS
Cartridge:17-556 KAK load data
Case Length (L3):1.759" | 44.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.194" | 4.9 mm
Case Capacity:29 gow | 1.88 cm³
Primer Size:Small Rifle (SR)
Max. Pressure (Wildcat):62,366 psi | 4,300 bar
Barrel Length:22.0" | 559 mm
Min. Twist Rate:1:6.5
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