I have a brand new in box, never used Glock 9mm 50rd drum magazine. Info can be found here: Glock 9MM 50 Rd. Drum $89.00 There's several reviews on YouTube as well. $65 FTF. Feel free to inbox with any questions. Edit: will trade for same value .45acp, 9mm, 12ga shotshells, or factory cz75 sp-01 19rd mags.