Slamfire junk - CMMG, Inc 22LR AR Conversion Kit, Bravo, Left Hand

Ive put over 400 rounds through it and Ive had nothing but problems. It slamfires all the time and shot off as many as 5 rounds on one trigger pull, also must have hit another round coming out of the barrell because there was lead in my muzzle device. Tried it on 2 AR's both stock and same issue. Sometimes you can get a mag off without a malfunction but most likely not. Ive tried a bunch of different ammo same result.