Perfect for All 21 mm Picatinny/ Weaver Rails ... Rail Clamp Screw Design: With 1 rail clamp screw and 2 scope clamp screws perside, ensure mount all 1 inch scope firmly. Comes with 2 pieces ...

Battery not included VERSATILE MOUNT - This gun sight comes with an integrated Picatinny mount & provides industry-standard mounting options for a wide range of applications; Also M1913 Picatinny ...