Olin Corporation
COMPOUND SHELL CASING, AND AMMUNITION HAVING COMPOUND SHELL CASING

Abstract:

A compound shell casing comprising: a generally tubular outer member having an open forward end, an open rearward end, and a central passage extending therebetween, with a circumferentially extending, forwardly and inwardly facing seat in the rearward portion of the central passage; an inner member disposed in the rearward end of the central passageway of the outer member, the inner member comprising a first forwardly facing cup-shaped portion, and a second, rearwardly facing cup-shaped portion opening to the open rearward end of the outer member, and a circumferentially extending downwardly and rearwardly facing shoulder on the exterior of inner member engaging the seat in the central passage of the outer member.