Bravo Company's BCMGUNFIGHTER Quick Detachable Sling Mount M-LOK Compatible is low-profile for increased mobility and decreased snag factor. It fits a standard push button quick detach sling swivel (not included). It has an 8 position (360 degree) non-rotational locking interface and all steel construction. AR-15 RSM (Rail Sling Mount) Accepts standard QD (Quick Detachable) push button sling swivels (not included) Non-Rotational locking interface Requires two lugs and one 1913 slot to mount properly All Steel Construction Made in the USA Matte Black