Improved Rifle Cases Benefit the Serious Handloader: The His - RifleShooter

The improved rifle case, pioneered by P.O. Ackley, steepened the shoulder angle and fire-formed most of the taper out of the cartridge case body to increase internal capacity.

The Truth About Ballistic Efficiency - RifleShooter

May, 2015

10 Best 6.5mm Rifle Cartridges Available Right Now - RifleShooter

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Creedmoor Sports CSR-1 Rifle An Official Journal Of The NRA

223 Ackley Improved (223AI) loads and review: A better 223? – rifleshooter .com

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Life Expectancy: Factors That Affect Cartridge Case Life - RifleShooter

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Annealing « Daily Bulletin

Service Rifle « Daily Bulletin