B&T Industries 3.35" Flush Cup 1913 Rail: radius back, center-to-center hole spacing of 1.76 - 2.78" approx. BT15

The BT15 - 3.35" 1913 Picatinny Rail will accommodate hole patterns with a center to center spacing of 1.76 – 2.78" and a relieved back to accommodate curved surfaces. It also has a flush cup allowing the use of Flush Cup sling swivels and sling studs (neither provided).