Rifle Parts

The Magpul MBUS (Magpul Back-Up Sight) is a low-cost, color injection molded, folding back-up sight. The dual aperture MBUS Rear Sight is adjustable for windage and fits most 1913 Picatinny rail equipped weapons, but is specifically tailored to the...

The Accu-Wedge will improve fit and eliminate the wobble between the upper and lower of your AR15/M4/M16 type rifle. This drop-in parts helps promote improved accuracy and allows the user to shoot tighter groups. The small wedge-shaped part is molded of...

The Colt LE6960-CCU-CK Upper Receiver Assembly is used on the LE6960-CCU Colt Combat Unit Rifle. A modern design featuring a 13” Centurion Arms slim profile, M-LOK, free float handguard (part #ML130EM), around a 16.1” lightweight profile,...

The factory Colt 901 magazine adapter block conversion kit allows you to install any mil-spec AR15/M4 upper receiver and use mil-spec AR15/M4 magazines with your Colt 901 lower receiver. Includes magazine adapter block, buffer and spring.

Factory Colt semi-auto trigger spring for M4/M5/AR15 series of rifles.

Factory Colt rifle buffer action spring for AR15/M16 type rifles.

Factory Colt carbine collapsible stock assembly for M4/AR15 type rifles.

Factory Colt upper receiver assembly to build your AR15, M16 or M4. Compatible with all mil-spec AR15/M4/M16 lower receivers. Includes forward assist assembly, and ejection port cover. Manufactured to truly meet and exceed all Mil Spec standards.

All factory Colt mil-spec fire control parts needed for the AR15/M4 semi-automatic rifle. Includes: Trigger Trigger Spring Disconnector Disconnector Spring Hammer Hammer Spring 2 x Hammer/Trigger Pins

Factory Colt buffer retainer for all M16/M4/AR15 models except the SCW.

Factory Colt buffer retainer spring for all M16/M4/AR15 models except the SCW.

Factory Colt Carbine H2 Buffer containing two weights made from tungsten and one weight from steel. Heavy buffers reduce felt recoil as well as reduce the cyclic rate on full-auto rifles.