Remington Model 700 AAC-SD .300 Blackout & Bipod 16.5" 5-R Tactical Threaded Barrel / Tiptop Bipod, Remington 700 AAC-SD bolt-action rifle. It's chambered in the desirable .300 Blackout, Hogue stock, with 5-R Tactical 1:7 Twist 16.5" threaded barrel, with removable muzzle device. Other features include Weaver rail and Tiptop bipod. Rifle has been lightly shot, exhibits no major signs of wear or abuse, and has an excellent looking bore. Exactly as pictured...Thanks for looking!