Load data for .22-250 Ackley Improved + 55gr MEN SP
538 suitable loads across 91 powder(s) for cartridge .22-250 Ackley Improved with 55gr MEN SP bullet.
The most recommended powders for this combination are ReloadSwiss RS 60, Hodgdon LEVERevolution and SNPE Vectan SP 11.
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 | SP
Cartridge:.22-250 Ackley Improved load data
Case Length (L3):1.940" | 49.3 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.546" | 13.9 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:1:7.5
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