EVERYTHING ABOUT 20″ BARREL

† Be aware: The receiver-mounted, Picatinny-fashion rail is intended to support most optics and optic mounts meant for use with Picatinny/ MIL-STD 1913 rails. Having said that, as a result of diminished clearance concerning the top of the receiver and The underside from the optics rail, optics and optic mounts that extend over .Be aware of limits