Compact accessory rail clamps directly to scope tube to provide mounting space for holographic sights, lasers, IR illuminators, flashlights, and other accessories that fit 20mm Picatinny style rails. Increases accessory mounting options, without restricting your scope base and ring options

-Install on 30mm and 25.4mm (1 inch) riflescope -Top rail length: 45mm (1.8 inch), ring length 18mm (0.7 inch)
-Weight (net): 35g (1.2ounce) -High-durability aluminum alloy in black -includes hex key

Item is new

I am happy to combine postage with other items purchased