Shoulder_fired
Patents tagged Shoulder_fired
Nov 11, 2025
A cartridge ( 20 ) has a cartridge case ( 22 ) extending along an axis ( 500 ) from a base ( 104 ) to a mouth ( 102 ) and having an interior. A projectile ( 24 ) is mounted in the case. A propellant ( 26 ) is contained within the case. The propellant has an annular grain encircling the axis.