Load data for .308 Win. Ackley Improved + 180gr Speer Grand Slam
539 suitable loads across 100 powder(s) for cartridge .308 Win. Ackley Improved with 180gr Speer Grand Slam bullet.
The most recommended powders for this combination are Alliant Power Pro 2000-MR, ReloadSwiss RS 52 and Hodgdon LEVERevolution.
Based on C.I.P., the max. allowed case length is 2.015 in / 51.18 mm, the max. cartridge length is 2.800 in / 71.12 mm, and the max. allowed pressure is 60,191 PSI / 4,150 bar.

Based on C.I.P., the max. allowed case length is 2.015 in / 51.18 mm, the max. cartridge length is 2.800 in / 71.12 mm, and the max. allowed pressure is 60,191 PSI / 4,150 bar.

Load Specifications
ImperialMetric
Bullet:.308 | 180gr | Grand Slam
Cartridge:.308 Win. Ackley Improved load data
Case Length (L3):2.014" | 51.2 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.416" | 10.6 mm
Case Capacity:59 gow | 3.82 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):60,191 psi | 4,150 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:15.0
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