Lower Parts

M16 Fire Control Group Only

  Fire Control Group only for M16 Trigger Hammer Selector Switch Auto Sear Sear pin Di

AR15 / M16 Selector detent spring

Standard AR15 / M16 Selector detent spring Can be used with any Milspec semi or full auto hammer.

AR15 / M16 Bolt catch detent spring

Standard AR15 / M16 Bolt catch detent spring Can be used with any Milspec semi or full auto hammer.

AR15 / M16 Buffer retainer spring

Standard AR15 / M16 Buffer retainer spring Can be used with any Milspec semi or full auto hammer.

AR15 / M16 Pivot pin detent spring

Standard AR15 / M16Pivot pin detent spring Can be used with any Milspec semi or full auto hammer.

Polymer Trigger Guard with Pin - Bushmaster

Polymer trigger Guard with pin  

Bushmaster

Bolt Catch Roll Pin - Bushmaster

5.56/.223 Bolt Catch Roll Pin 3/32" x 1/2"

Magazine Catch Assembly

Includes Magazine catch, Magazine Catch Spring, and regular size magazine catch.

Bushmaster

Magazine Catch Spring - Bushmaster

Magazine catch Spring

Bushmaster

Magazine Catch - Bushmaster

Will Fit Ar15 / Ar10

Bushmaster

Hammer/ Trigger Pin - Bushmaster

AR15 TRIGGER OR HAMMER PIN .155 Single pin for the AR-15 hammer or trigger Made in USA

Extended Magazine Catch Button

Features Milspec 6061-T6 aluminum Weighs .05 OZ Length is .51" (regular size is .31") Made

Magazine Catch Button

Features Milspec 6061-T6 aluminum Weighs .05 OZ length is .31" (extended magazine catch button

AR15 Spring Kit

Spring Kit: Hammer Spring Trigger Spring Disconnector Spring Pivot pin detent spring (2) Sele

Retro Rifles

Buffer retainer pin- titanium

AR15 Buffer Retainer Pin - Titanium  

AR15 / M16 Hammer Spring

Standard AR15 / M16 Hammer Spring. Can be used with any Milspec semi or full auto hammer.

Auto Sear PIN - M16 - Full Auto

Full Auto Sear Pin for the M16 Auto Sear (not included). This is for the pin only.   Steel

Disconnector Spring - AR15 / M16

Disconnector Spring for all standard AR15 / M16 trigger group disconnectors. Will work in Semi or fu

Trigger Spring - AR15 / M16 / M4

Trigger Spring for all USGI model AR15 / M16 models. Note: Both Semi and Full Auto Triggers use the

AR15 / M16 / M4 - Selector Switch - "Dimple" or "Flat"

The Original AR15 / M16 models (601 and 602) had a selector switch with a dimple. All later models d

AR15 / M16 Disconnector

We offer Two different Disconnectors: Semi Auto Full Auto This page is for the Disconnector o

M16 Lower Parts kit

Standard M16 Full Auto Full Lower parts kit. Used in the Full Auto AR15, M16, M16A1, M16A3, M4, Mk

AR15 / M16 Trigger

Standard Milspec AR15 (Semi Auto) and M16 (Full Auto) Triggers. Used in the AR15, M16, M16A1, M16A3

AR15 / M16 Hammer

AR15 or M16 Hammer (Choose from the Pull Down Menu above) If you also need a Hammer Spring (Here)

M16 Auto Sear, with Spring

Standard M16 Auto Sear, with Spring. As used in the Full Auto AR15, M16, M16A1, M16A3, M4, Mk18, Mk

Lock Ring & Castle Nut (Rare, Hard to find)

Used to tighten the Carbine Buffer Tube to the Lower Receiver, the US Military has used two differen

AR-15 Lower Parts Kit

Phosphate AR 15 Lower Parts Kit Mil Spec Pistol grip options: A1 New (Not Colt) A1 Original A