Features:- Xtech Tactical 2-Part Pistol Grip (Black)- Enhanced Polymer Trigger Guard- Semi Trigger- Semi Hammer- Semi Disconnector- Semi Selector- Bolt Catch Spring- Detent Spring- Bolt Catch Buffer- Take Down Detent- Bolt Catch- Magazine Catch Spring- Bolt Catch Roll Pin- Magazine Catch Button- Magazine Catch- Front Pivot Pin- Hammer Spring- Trigger Spring- Pistol Grip Screw- Pistol Grip Lock Washer- Selector Spring- Detent Selector- Hammer Pin- Trigger Pin- Take Down Pin- Buffer Retainer Pin- Buffer Retainer Spring- Disconnector Spring