Load data for .223 Ackley Improved + 55gr Speer TNT
399 suitable loads across 65 powder(s) for cartridge .223 Ackley Improved with 55gr Speer TNT bullet.
The most recommended powders for this combination are Hodgdon H322, Accurate 2520 and Alliant Reloder-10x.
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 55,114 PSI / 3,800 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 55,114 PSI / 3,800 bar.
Load Specifications
ImperialMetric
Bullet:.224 | 55gr | TNT
Cartridge:.223 Ackley Improved load data
Case Length (L3):1.760" | 44.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.251" | 6.4 mm
Case Capacity:32.4 gow | 2.10 cm³
Primer Size:Small Rifle (SR)
Max. Pressure (Wildcat):55,114 psi | 3,800 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:12.0
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