he new BT15 3.35" 1913 Rail will accommodate hole patterns with a center to center spacing of 1.76 – 2.78" with a relieved base to accommodate curved surfaces. A standard sling stud and Sling Stud spacer can be used as one fastener or two Button head machine screws can be used, NO HARDWARE IS INCLUDED (see BT1517) to attach this rail to the forearm of standard rifle stocks.
