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The BT15 - 3.35" 1913 Rail will accommodate hole patterns with a center to center spacing of 1.76 – 2.78" and a relieved back 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.
Machined to Picatinny rail standards from 6061-T6 aluminum with Mil-Spec Type III Class 2 finish. Available in black only.