Patent ID: 6289782
Filing Date: 2001-09-18
Classification: F41A,F41F

Abstract:
A system cooperating with a launch tube and a spotting rifle receiver housing for aligning and retaining a spotting rifle barrel, said system comprising:a first annular lug coupled to an outer portion of a breech end of a spotting rifle barrel;a second annular lug coupled to an inner portion of a spotting rifle receiver housing, wherein the spotting rifle barrel extends through said second annular lug and wherein a forward end of said first annular lug abuts an aft end of said second annular lug, and wherein said forward end of said first annular lug is convex and said aft end of said second annular lug is concave;means for retaining said forward end of said first annular lug in an abutting relationship with said aft end of said second annular lug; andmeans depending from a muzzle of a launch tube and contacting a muzzle end of the spotting rifle barrel for adjusting the boresight of the spotting rifle barrel.