COLT M4A1 CARBINE SOCOM CARBINE 5.56MM NATO 30+1 FOR DUMMIES

This upper receiver traces its origins back again some 6 yrs to guns Colt made with the SCAR (Specific Operations Forces Overcome Assault Rifle) plan with the U.S. Particular Functions Command (SOCOM). It really is designed to obviate the need for your separate many-rail handguard for mounting accessories, affording great alignment of accessories m