Tactical 2x Quick Detach Release Half Inch 1/2" Riser Block QR Scope Mount Picatinny Rail<br />     <br />    <br />    Description:*Highest quality selected.*Aluminum Alloy Construction  very rigid built.*This riser elevates your accessories 1/2".*Designed for elevating scopes， sights， flashlights， etc.*Attachment<br /> and securing is done by two allen key headed bolts which also secure it<br /> on the mount and stop its moving forwards and backwards.*All Matte Black finish.<br />Specifications:*Rail Type :Fit any 20mm weaver/picatinny base*<br />Height :1/2" (from the center of ring to the bottom)*Material: Aluminum Alloy<br />Dimensions :1" (height) x 1.5" (length) x 30mm (width)<br />Weight :63g (2.2oz<br />Material:Aluminum，<br /> Steel Interface 20mm Picatinny / Weaver Rails<br />Package Includes:*2 x Tactical 1/2" Weaver/Picatinny Rail Ris<br />er*2 x Allen key.