The Original AR15 / M16 models (601 and 602) had a selector switch with a dimple. All later models dropped this dimple and were flat surfaced only.
In the Pull Down menus (above) there are 4 Options:
- AR15 (Semi Auto) or M16 (Full Auto)
- Early "Dimple" or later flat surfaced
Made in the USA
** CURRENTLY BACKORDERED. ORDERING NOW WILL PLACE YOU IN LINE FOR THE NEXT AVAILABLE INVENTORY.