Colt

Colt M16/M4/AR15 Auto Sear Pin

Factory Colt pin for automatic sear assembly. Replacement parts, all NFA rules apply

Colt M16/M4/AR15 Bolt Carrier Assembly

Factory Colt bolt carrier assembly for your AR15, M16 or M4 is the only bolt carrier manufactured to truly meet and exceed all Mil Spec standards. Compatible with full-auto or semi-auto receivers...

Colt M16/M4/AR15 Charging Handle Assembly

Factory Colt charging handle assembly for M16/M4/AR15 type rifles. Manufactured from hammer forged 7075-T6 aluminum.

Colt M16/M4/AR15 Complete Bolt Carrier Group Assembly

Factory Colt complete bolt carrier group assembly for your AR15, M16 or M4 is the only BCG manufactured to truly meet and exceed all Mil Spec standards. Compatible with full-auto or semi-auto...

Colt M16/M4/AR15 Extractor

Factory Colt M16/M4/AR15 Extractor

Colt M16/M4/AR15 Magazine Catch Spring

Factory Colt M16/M4/AR15 magazine catch spring.

Colt M16/M4/AR15 Magazine Release Button

Factory Colt M16/M4/AR15 magazine release button.

Colt M16/M4/AR15 Receiver End Plate

Factory Colt receiver end plate for M16/M4/AR15 type rifles.

Colt M16/M4/AR15/AR10 Forward Assist Assembly

Colt M4 14.5 inch 5.56mm Barrel Assembly w/ Fixed Front Sight

Factory Colt M4 profile, 14.5 inch, 5.56x45mm NATO, carbine length gas system barrel. Complete barrel assembly features M4 feed ramp, barrel nut, fixed front sight tower with sight post, and is...

Colt M4 Commando 11.5 inch 5.56mm Heavy Barrel Assembly w/ Fixed Front Sight

Factory Colt M4 Commando heavy profile, 11.5 inch, 5.56x45mm NATO, carbine length gas system barrel. Complete barrel assembly features M4 feed ramp, barrel nut, fixed front sight tower with sight...

Colt M4 Commando 5.56mm Semi-Auto Lower Receiver Assembly

Factory Colt M4 Commando complete 5.56mm semi-auto lower receiver assembly to build your AR15, M16 or M4. Compatible with all mil-spec AR15/M4/M16 upper receivers. Manufactured to truly meet and...

Colt M4 CQB 10.3 inch 5.56mm Barrel Assembly w/ Fixed Front Sight

Factory Colt M4 CQB profile, 10.3 inch, 5.56x45mm NATO, carbine length gas system barrel. Complete barrel assembly features M4 feed ramp, barrel nut, fixed front sight tower with sight post, and is...

Colt Rifle Buffer

Factory Colt Rifle Buffer for AR15/M16 full length rifles.

Colt Rifle Length Gas Tube for M16/AR15

Factory Colt rifle length gas tube for M16/AR15 style firearms. Stainless steel construction to mil-spec.

ColtParts Barrel Spline Socket Rod for AR15/M4 Upper Receivers

The ColtParts.com Barrel Spline Socket Rod is a vital tool that securely holds an upper receiver assembly for maintenance and assembly work. The removal and installation of barrels, flash hiders, gas...