Load data for .270 Win. Ackley Improved + 150gr Hornady SST
678 suitable loads across 116 powder(s) for cartridge .270 Win. Ackley Improved with 150gr Hornady SST bullet.
The most recommended powders for this combination are ReloadSwiss RS 70, Hodgdon Superformance and Alliant Reloder-17.
Based on Wildcat, the max. allowed case length is 2.540 in / 64.52 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 72,519 PSI / 5,000 bar.
Based on Wildcat, the max. allowed case length is 2.540 in / 64.52 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 72,519 PSI / 5,000 bar.
Load Specifications
ImperialMetric
Bullet:.277 | 150gr | SST
Cartridge:.270 Win. Ackley Improved load data
Case Length (L3):2.540" | 64.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.625" | 15.9 mm
Case Capacity:70 gow | 4.54 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (Wildcat):72,519 psi | 5,000 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:9.5
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