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.
RifleShooter - Toronto Public Library - OverDrive
Current Issue of RifleShooter Magazine
Service Rifle « Daily Bulletin
RifleShooter - Toronto Public Library - OverDrive
Get the Most Out of the .30-06 - Shooting Times
Reloading for Precision Rifle: Building a Baseline - Guns and Ammo
Ruger No. 1 Single-Shot Rifle: Tips to Improve Its Accuracy - RifleShooter
How To Handload For Consistent Long-Range Accuracy - Petersen's Hunting
10 Best 6.5mm Rifle Cartridges Available Right Now - RifleShooter
Target Shooter
Who has the better rifles, the military or civilians? - Quora
Considerations for Handloading World War II-Vintage Rifle Am - Guns and Ammo
Confessions of a Lazy Handloader - Shooting Times