Manufactured in 1966. Standard post front and adjustable two leaf rear peep sights, early style three-prong flash hider, and bayonet lug. Early A1 style upper receiver with fixed carry handle and no forward assist or casing deflector. The carry handle is fitted with a Colt scope. Ventilated triangular handguard, checkered grip, and fixed buttstock with a solid rubber recoil pad. With three extra magazines.