"Four Picatinney rails make sure you have the right accessory for the task at hand. Lets you mount an iron sight, a laser, an infra-red, night vision sight and a flashlight, all at the same time. Accepts Weaver-style rings. Attaches to heavy, match barrels with dual set screws.
|n|SPECS: Aluminum, black, anodized, matte finish. 13/4"" (4.5cm) long, 11/2"" (3.5cm) wide. .936"" (23.8mm) inside diameter"