Low Profile Quick Release Picatinny Rail Mounts. Available in 40mm, 60mm, and 140mm long with a 10mm rise mount to allow you to quickly remove or attach items to picatinny rail. These are ideal fora variety of different optics or red dot sights that you want to raise to co-witness lower in the window or for items you want to quickly and easily remove from your rails without using tools. These mounts give the operator ease of customization without the added use of tools giving the time that they need to control the outcome and be ready!