AT3(TM) AT-15 Lower and Upper Receiver Set - Raw Aluminum Finish

AT3 Tactical AR-15 Stripped Raw Upper and Lower Set The AT-15 Receiver Set includes a stripped lower and upper. This kit forms the foundation of your new favorite AR-15 build, with tons of options to customize with handguards, triggers, barrels, and everything else that makes a gun go bang. This upper and lower combo is [...]