Glock pattern mag sleeves for 33rd mags. Tested with Glock and RWB mags. If they fit tight, warm them up and slide on. If they fit loose, add a small drop of non-permanent glue towards the base before sliding it on. *Refrain from using CA or super glue* ***Creative Commons - Attribution - Non-Commercial license*** LBRY Tags: glock; mag; magazine; sleeve