Lower Build Kit ~ Standard

Spike's Tactical Lower Parts Kit Better than Mil-Spec quality Included Rounded Hammer (Works with ALL Calibers) and Hammer Spring Trigger and Trigger Spring Disconnector and Disconnector...

Seekins Precision Builder's Kit Lower Parts Kit Seekins Precision Parts No Trigger Included Ar-15 LPK Trigger Guard Mag Release Bolt Catch</

Spike's Enhanced Lower Parts Kit 556 - Black Better than Mil-Spec quality Five Upgrades Over Standard Parts Kit Battle Trigger Group (Nickel Boron Coated)Billet Tool-less Trigger GuardBlack Ergo...

Daniel Defense AR15 Lower Parts Kit - Black Mil-Spec AR15 Lower Parts Kit Compatible with Multiple Calibers A2 Pistol Grip Magpul Trigger Guard  Made in the USA

AR-15 Lower Parts Kit - FDE Mil-Spec Lower Parts Kit Minus Grip and Screw Ambidextrous Safety Selector Finished in FDE Cerakote Enhanced Bolt Catch Finished in FDE Cerakote Trigger Finished in...