Patriot
Active Member
While they are not MD legal I know a lot of people have a address out of state they can ship to so I figured it was worth posting. I don't know if its a good price or not but they are $39.99.
http://www.brownells.com/magazines/rifle-magazines/magazines/ar-15-m16-9mm-colt-style-magazine-prod38850.aspx
http://www.brownells.com/magazines/rifle-magazines/magazines/ar-15-m16-9mm-colt-style-magazine-prod38850.aspx