ALG Defense Lower Parts Kit w/Grip and QMS Trigger

ALG Defense Lower Parts Kit w/Grip and QMS Trigger. AR15/M4 Mil-Spec Lower Parts Kit (Less Trigger) This Kit comes with: Bolt Catch Bolt Catch Plunger Bolt Catch Spring Bolt Catch Roll Pin Mag Release Mag Release Button Mag Release Spring Buffer Retainer Spring Safety Buffer Retainer Safety Detent Spring Safety Detent Trigger Guard Trigger Guard Roll Pin Takedown Detent SpringsTakedown DetentsTakedown Pins Package Contents: ALG Defense AR15-M4 Mil-Spec Lower Parts Kits ALG Defense 16-002: Lower Parts Kit w/Grip and QMS Trigger