Get them while they are in stock!  These Preban AR15 Magazines are all in great functional condition (unless stated otherwise in variant name), and are all verified to have been manufactured prior to 1994, making them compliant in Massachusetts & other ban states.  These are getting harder to come by, so get them while they last! 
 
Variant Descriptions:
 
"USGI Random Good Condition":  By choosing this option, you may receive a magazine made by Colt, Adventure Line, Parsons, Sanchez, or Okay Industries, as well as a few other manufactures.  These may show basic signs of finish wear, but are guaranteed to be functionally operational.