Patent ID: 9528799
Filing Date: 2016-12-27
CPC Classification: F42B

Claim Text:
1. A polymeric ammunition casing comprising: a cylindrical hollow body defining an internal cavity formed at least partially of a polymeric material, the cylindrical hollow body further defining a longitudinal axis and having a primer end and a projectile end, wherein the body is formed of a body portion proximal to the primer end and a neck portion proximal to the projectile end, and wherein the diameter of the cylindrical hollow body tapers such that the diameter of the body portion is larger than the diameter of the neck portion; and wherein the longitudinal length of the neck portion of the polymeric ammunition casing is extended such that the overall length of the casing body is at least 0.003 inches greater than a maximum longitudinal length standard for an ammunition casing of identical caliber as set by at least one ammunition standards organization selected from the group consisting of the Sporting Arms and Ammunition Manufacturers' Institute and the Commission Internationale Permanente pour l'épreuve des armes à feu portatives.