Flat black adapter with Standard Tank Threads and 1/8 NPT for Tank or Gas-Thru Grip Setups. Mounts to RT Stock XM/ULE/Tac-One rails (use two #003004 cap head screws). Button heads are also used to mount the RT Pro stainless front grip mount or the Classic RT aluminum front grip mount. (use two #000805 buttonhead screws).

NOTE: Screws are NOT included with the ASA and must be ordered separately.