Tactical quad rails fit Saiga 12 gauge shotguns and compatible variants, and is constructed of CNC machined aircraft aluminum. Three-piece design locks together with absolute retention capability, ensuring aiming accessories stay on target. Installs easily with no gunsmithing required; includes an extended and compact top rail for maximum optics mounting flexibility as well as rubber rail guards for a comfortable and ergonomic grip. Extended rail length is 12", compact rail length 8". Side and bottom rails are 8" long. Total unit weight 17 ounces with compact top rail, 20 ounces with extended top rail. Made in the USA.