Doublestar Corp. AR15 Lower Parts Kit, 223 Rem/556NATO, Black Finish, Includes Fire Control Group, Fire Control Group Pins and Springs, Bolt Catch Assembly, Magazine Catch Assembly, Front Pivot Pin,...
Spike's Tactical Lower Receiver Parts Kit Without Fire Control Group/Trigger Group, 223 Rem/556NATO, Includes Safety Selector, Bolt Catch, Magazine catch, Billet Magazine Catch Button, Front Pivot...