B&T Industries - BT17: 4" 1913 Rail
The BT17 - 4 inch 1913 Rail will accommodate hole patterns with a center to center spacing of 2.2 - 3.5 inch and a FLAT back to accommodate flat 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.