The Henry U.S. Survival AR-7 .22LR Semiautomatic Rifle is a rimfire rife that features a steel barrel covered with ABS plastic and coated with waterproof Teflon®. The Teflon®-coated receiver features a 3/8" groove to allow you to mount a scope (not included). Blade front and adjustable rear peep sights. Thumb safety. 16.5" long when stowed.