Patent attributes
A cartridge case for a firearm is formed to contain a .338 caliber bullet. The case includes a cylindrical body portion with a central aperture in the head end for receipt of a primer and a cartridge extraction groove formed around the periphery of the body portion adjacent the head end. A frusto-conical shoulder portion tapers radially inwardly from the body portion and a generally cylindrical neck portion extends longitudinally from the shoulder portion. The length of the body portion is approximately 1.8813 inches and the outside diameter of the body portion at the shoulder portion is 0.5709±0.0059 inches. The length of the shoulder portion is 0.2727 inches. The length of the neck portion is 0.3381 inches and the outside diameter of the neck portion is 0.3669 inches. The case encloses a volume designed to receive an amount of propellant in a range of 82.0 grns to 97.8 grns.
