Colt Parts

Factory Colt dual recoil springs for M45A1 and 1911 Government 5" .45 ACP pistols. 7 lbs inner spring (SP300264) and 11.5 lb outer spring (SP300263). When replacing springs it is recommended to replace both springs.

Factory Colt M16/M4/AR15 ambidextrous magazine release, allows you to activate the magazine release with the thumb of the non-firing hand.

The Simunition 5.56mm Conversion Kit is a drop in conversion intended for use with the AR15/M4/M16 and C7/C8 rifle series. The safe use of Simunition® 5.56 mm reduced energy Cartridges in the M16/M4 and C7/C8 weapons requires the installation of a...

Factory Colt semi-auto ambidextrous safety selector lever, fits AR15, M4, M5 and CM7 rifles. With one full size and one short lever.400831400025400583

Factory Colt SCW buffer and spring assembly for M16/M4/AR15 type rifles equipped with SCW stock system.

Factory Colt M16/M4 3-position ambidextrous safety selector lever, fits automatic and burst-fire M16, M4 and 901 rifles. With one full size and one short lever.400024400025400583

Factory Colt M4 SOCOM heavy 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 threaded 1/2-28 for your choice of muzzle device.

Factory Colt Carbine H Buffer containing one weight made from tungsten and two weights from steel.

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 post, and is threaded 1/2-28 for your choice of muzzle...

Factory Colt carbine buffer action spring for M4/AR15 type rifles.

Factory Colt receiver extension castle nut for M4/AR15 type rifles.

The ColtParts.com Barrel Nut Socket Wrench is a purpose designed tool for the removal and installation of the proprietary barrel nut found on the Colt M5, 6940 and IAR series of rifles.  Heavy duty tool steel construction ensures this tool is built...