Load data for .17 WSM + 20gr Impala LWHV LS
14 suitable loads across 3 powder(s) for cartridge .17 WSM with 20gr Impala LWHV LS bullet.
The most recommended powders for this combination are ReloadSwiss RS 14 and Hodgdon TrailBoss.
Based on SAAMI, the max. allowed case length is 1.200 in / 30.48 mm, the max. cartridge length is 1.590 in / 40.39 mm, and the max. allowed pressure is 33,000 PSI / 2,275 bar.
Based on SAAMI, the max. allowed case length is 1.200 in / 30.48 mm, the max. cartridge length is 1.590 in / 40.39 mm, and the max. allowed pressure is 33,000 PSI / 2,275 bar.
Load Specifications
ImperialMetric
Bullet:.172 | 20gr | Impala LWHV LS
Cartridge:.17 WSM load data
Case Length (L3):1.200" | 30.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.295" | 7.5 mm
Case Capacity:11.1 gow | 0.72 cm³
Primer Size:Small Rifle (SR)
Max. Pressure (SAAMI):33,000 psi | 2,275 bar
Barrel Length:22.0" | 559 mm
Min. Twist Rate:1:6.5
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