Load data for .22-250 Ackley Improved + 55gr Lapua FMJ
523 suitable loads across 94 powder(s) for cartridge .22-250 Ackley Improved with 55gr Lapua FMJ bullet.
The most recommended powders for this combination are ReloadSwiss RS 60, Alliant Reloder-17 and ReloadSwiss RS 52.
Based on Wildcat, the max. allowed case length is 1.908 in / 48.46 mm, the max. cartridge length is 2.350 in / 59.69 mm, and the max. allowed pressure is 57,986 PSI / 3,998 bar.
Based on Wildcat, the max. allowed case length is 1.908 in / 48.46 mm, the max. cartridge length is 2.350 in / 59.69 mm, and the max. allowed pressure is 57,986 PSI / 3,998 bar.
Load Specifications
ImperialMetric
Bullet:.224 | 55gr | FMJ
Cartridge:.22-250 Ackley Improved load data
Case Length (L3):1.940" | 49.3 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.264" | 6.7 mm
Case Capacity:46.9 gow | 3.04 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (Wildcat):57,986 psi | 3,998 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:12.0
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