Colt 604 M16 Parts Set, 20" Barrel, A1 Birdcage, Stock & Pistol Grip, A2 Handguards, Slickside Bolt Carrier Assembly, Grey Finish, 5.56 NATO *Very Good*

Colt 604 Parts Set, 20" Pencil Profile Barrel, slickside bolt assembly, A1 bircage flash hider, A2 round handguards, M16A1 buttstock and pistol grip, early grey finish, 1970-1971 Production, 5.56X45 NATO, in *Very Good* condition.

Sold Individually.

Own a part of history with this early Colt Kit!
Possible years of production on this assembly are between 1970 and 1971.
Complete less the lower receiver and auto sear.
Slabside upper receiver with small hole front pivot pin, forged front sight base with the drain hole, A2 round hanguards, and A1 birdcage flash hider.
M16A1 buttstock assembly and pistol grip, triangle handguards with straight barrel nut.
Gray anodized receiver with "CM" manufacturer markings.
Numbered rear sight dial with raised arrow directional marker on the receiver.
Colt forge markings on front right side of receiver.
Front sight is circle post, with front sling swivel.
Barrel is marked "C MP B" for Colt Magnetic Particle Chrome Bore.
Chrome lined bore in in Very Good condition.
Later style forged front sight base is "C" and Bell marked, with drain hole.
Colt marked slickside bolt carrier, bolt is marked for magnetic particle inspection.

Parts must be inspected and tested by a qualified and competent gunsmith or armorer before use in a firearm. Not all firearm parts are interchangeable; use of surplus parts without proper knowledge could cause a firearm to malfunction and cause property damage, injury or death.