A.R.M.S. #40 Stand Alone Flip-Up Rear Sight - Black

The A.R.M.S. #40 Stand Alone Flip-Up Rear Sight is a rugged backup iron sight designed for AR-platform rifles. Featuring a low-profile flip-up design, it deploys quickly when needed and folds flat when not in use. Built as a stand-alone unit, it mounts independently on Picatinny/MIL-STD-1913 rail systems. Finished in matte black, it is built to A.R.M.S.' renowned mil-spec standards for reliability and durability in the field.