lower receivers for AR-15 rifles, 80 percent receivers, 1911 80% frames, parts, accessories, lower parts kits, and 80 percent frames.
AR-15 Fire Control Group for small pin lower receivers.
AR-15 Fire Control Group for small pin lower receivers. Includes hammer, trigger, disconnectorand selector.
These are some of the OEM fire control group pieces. Each is " S " marked which is found on Colt's manufacturing parts for the AR15 and M16. Each fire control group will now come with a Hammer Spring, Trigger Spring and Disconect Spring. If your replacing worn parts, the springs could probably need to replaced as well.
