The BT52 ACS/STR Picatinny Rail Adaptor for the popular Magpul ACS and STR style stock provides the means to attach an Accu-Shot PRM style monopod (BT12-QK, BT13-QK and BT31-QK) to your ACS and STR Stock. The two piece adaptor replaces the polymer insert found on these stocks and is held in place with the supplied fasteners. Other than removing the buttpad and sliding the insert out, no modification is required. A 1/8 hex wrench is required but NOT included.
It is machined from 6061-T6 aluminum that is Mil-Spec Type III hard anodized and steel. Available in black only.