Barska Barrel Ring Mount. These sturdy Barska mounts utilize a tough barrel clamp to secure to the barrel of your firearm. The one-inch mounting ring attached to the barrel clamp allows you to mount a flashlight laser sight or other optic underneath the barrel where it's out of the way but still effective. The Barska 1in Barrel Ring Mount is crafted from sturdy aluminum and Barska has finished it with a matte black color that won't reflect light. Mount under-barrel accessories with confidence using the Barska Aluminum Barrel Ring Mount. Specifications for Barska Black Matte Barrel Ring Mount: Height: 0.94" Barrel Clamp Diameter: 30mm Ring Diameter: 1" Total Size: 1.73" Material: Aluminum Finish: Black Matte Lock Nuts: 2 Features of Barska Rail Top Barrel Ring Mount: Barrel mounting ring by Barska Allows you to easily mount accessories below the barrel of your firearm Clamps on to most rifle and shotgun barrels 1" accessory ring will fit a wide range of laser sights and flashlights Top rail for additional accessories Black matte finish Sturdy aluminum construction Backed by the Barska 1-year limited warranty Package Contents: Barska Barrel Ring Mount #Rings / Pkg 1 #Set Screws 1 #Lock Nuts 2 Barska AI11742: Barrel Ring Mount