Load data for .243 Ackley Improved + 100gr Sierra SP SemiSp
432 suitable loads across 69 powder(s) for cartridge .243 Ackley Improved with 100gr Sierra SP SemiSp bullet.
The most recommended powders for this combination are Norma MRP, ReloadSwiss RS 70 and Alliant Reloder-26.
Based on Wildcat, the max. allowed case length is 2.045 in / 51.94 mm, the max. cartridge length is 2.710 in / 68.83 mm, and the max. allowed pressure is 55,259 PSI / 3,810 bar.
Based on Wildcat, the max. allowed case length is 2.045 in / 51.94 mm, the max. cartridge length is 2.710 in / 68.83 mm, and the max. allowed pressure is 55,259 PSI / 3,810 bar.
Load Specifications
ImperialMetric
Bullet:.243 | 100gr | SP SemiSp
Cartridge:.243 Ackley Improved load data
Case Length (L3):2.045" | 51.9 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.356" | 9.0 mm
Case Capacity:57 gow | 3.69 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (Wildcat):55,259 psi | 3,810 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:11.5
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