NOW SELLING PARTS THIS PISTOL WAS NOT BUILT UP BY ATEI GUNS-  I used their parts specs to put this pistol together Parts breakdown:      Overwatch precision TAC blue line trigger $100      Ghost 3.5 trigger bar $15      KKM Precision Glock 19 Match 9MM Barrel with 9/16×32 Thread 4-Port Compensator (Gen 1-4) $250      Agency Arms Magwell $80            GLOCK 19 PISTOL     L&M Precision (Mark Housel) slide milling / serrations / cerakote, with Ameriglo Supressor heig