I have a few Glock OEM mags that I got in a lot sale.  They are all in very good condition and most appear to have never been used.

G17 17 rd        9mm    Gen 3     (5)   $17 ea

                                    Gen 4     (3)   $19 ea

Glock 33 round stick OEM         (1)   $33

G21   13 rd     45acp    Gen 3    (1)   $15 ea

While I live near Tucson, on Thursday, June 11, I will be near the Mayo Clinic on Shea, and Friday,  June 19,  I will be in North Tempe.