US Tactical's AR-15 80% Aluminum Lower Receiver *Made In The USA*
Mercury Precision 'Thebe' Billet AR-15 80% Aluminum Lower Receiver - Thin Cutouts On Magwell *Made In The USA*
Just add a barrel and you're good to go!! This system is designed as a complete kit. There's NO expensive jig kits and parts to purchase - our system is a COMPLETE, all inclusive package in one price!
PSA AR-15 Upper 5.56