I have 2 each 30 round mags for a Glock 17/19. These are not factory Glock mags. I bought them years ago when I bought my first Glock 17. It has long since been sold. Not sure what generation it was....I bought it in the the late '80s/early '90s. They are metal and marked Glock 17&19 30 RND...EXC11. I also have a 17 round metal mag for the same gun I'd like to sell. I do not know what they are worth so I will take best offer for each or all three. None of these were used. They are as new. Thank you for looking.