Michael, no Magazine specified but, it depends on the version Sub 2000 you have. The Sub 2000 comes with a Glock19 or Glock17 Magazine Well. The G17 version uses Glock 17 Full size 9mm magazines(cannot use the shorter Glock 19 15rd 9mm magazine) and the G19 Mag Well model can use the shorter 15rd Glock 19 magazines or the Glock 17rd. Cheers and stay safe.

Most keltec sub 2000s come with a Glock compatible magazine, so any 9mm Glock compatible magazine will work. Now other sub 2000s come with a magazine well for Beretta 92 magazine so Beretta 92 mags would work. Hope this helps.

Michael, no magazine listed.