Colt 601 M16 Upper Assembly, 20" Pencil Barrel, Chrome Bolt Assy, Triangle Charging Handle, 5.56x45 NATO *Good*

Colt 601 M16 Upper Assembly, 20" Pencil Barrel, Chrome Bolt Assy, Triangle Charging Handle, 5.56x45 NATO, in *Good* condition.

Sold Individually.

Own a part of history with this early Colt Manufactured upper assembly!
Early type with non-numbered rear sight knob and no directional markings on receiver.
Early cast front sight base and "L" rear sight.
Pencil profile barrel is marked with a single "M" at the front sight base.
Colt proof marks on the front right side of the receiver.
A1 triangle handguards with straight barrel nut assembly.
Early triangle charging handle with gray finish.
Gray finished upper receiver.
Early Colt chrome slickside bolt carrier with fat head firing pin.
A1 birdcage type flash hider.
Moderate pitting in the non-chrome lined bore.
Lower assembly, FCG parts and buttstock are NOT included.

This Upper Assembly includes:
- Early M16 triangle type handguard cap with circle handguards, and straight barrel nut assembly.
- cast front sight base and circle sight post.
- L shape rear sight with windage adjustment. 
- M16 style carry handle upper, with large square plate ejection port cover.
- 20" barrel with A1 birdcage type flash hider.
- Late bend gas tube.
- Triangle Handguards.
- Gray triangle charging handle.

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.