GLOCK 17 SGM TACTICAL HIGH CAPACITY DRUM 50 ROUND 9MM

Glock 17 50 round high capacity 9mm drum magazine from SGM tactical. These are Korean manufacture and are made by KCI for SGM Tactical. They will function in the Glock 17, Glock 18, Glock 19 and Glock 26 pistols. These drum magazines are for 9mm pistols only, will not feed 40 S&W, 357 SIG, 10mm or 45 ACP, and cannot be made to do so. And yes... they do work.