iPROTEC iProtec Mounting Clamp Black. This self-locking mount uses an adjustable mount design to easily mount and lock to your long gun no tools required. The LG adjusts to fit shotguns all rifles and most scopes. The clamp offers a 12.5 millimeter adjustment allowance. The barrel and flashlight portion of the clamp adjusts 20mm to 32.5mm. The side of the mount has an accessory rail mount to attach additional firearm accessories. Specifications for iPROTEC iProtec Mounting Clamp: Manufacturer: iPROTEC Color: Black Gun Model: Universal Length: 2.75 in Weight: 0.32 lb Condition: New Shell Length: 2 3/4 in Fabric/Material: Aluminum Features of iPROTEC iProtec Mounting Clamp Anodized aircraft-grade aluminum; water and impact-resistant Protective rubber inserts protect your gun and accessories when mounting Fits flashlight barrel scope and magazine tube diameters Adjusts tightens and locks without tools Patented accessory rail-mount Package Contents: iPROTEC iProtec Mounting Clamp iPROTEC 6108: iProtec Mounting Clamp Black