Picatinny riser Quick Detach feature that makes installation and removal fast and easy，Saving you valuable time。 Picatinny riser mounts It could be improved by allowing Quick Detach feature for tightening of the clamp to adjust to different size pic rail. Does not require proprietary tools for adjustme，You can easily adjust it by hand，Also comes with gadgets and gizmos for your use. Picatinny riser mounts excellent clamping surfaces ensure maximum guide engagement. On the riser bracket side, the screw and side plate move outward. Pushing the side plate inward, the screw can be turned clockwise with your finger, trying to turn it back and forth, 1/6 or 1/8 turn at a time, testing on the rail until the lever is securely locked. Demonstration video of product adjustment is uploaded on the product page. The Riser mount made from aircraft aluminum with matte anodizing. Rail riser for install Red Dot Sight,Flashlight or other more accessories. Picatinny riser is equipped with recoil stop bolts,zero wiggle - guaranteed to hold zero against the toughest of recoil.