Our newly designed lower parts kits for the AR-15 establish a new benchmark for mil-spec performance. XTech’s precision engineering achieves a superior-quality finish, a smoother trigger pull with minimized grittiness, and an improved foundation for executing trigger jobs. AR15 lower build kits and parts kits are the perfect complement for your stripped lower. Build and confidently use your AR 15 rifle or pistol, backed by our lifetime warranty.

XTech Tactical Heavy Texture ATG Included 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