Rail Mounting Fastener Set (2) can use with BT15 and BT17

The BT1517 Rail Mounting Fastener Set is used for mounting 1913 rails and consists of two (2) 10-32 T-Nuts and two (2) 10-32 x ¾" Button Head Cap Screws. Sold as a pair.

These T-nuts are commonly used by stock builders to accommodate the installation of sling studs and rails. They are typically bedded into the stock from the barrel channel side as illustrated in the third image.