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...
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,...