Pup Scout 12 Gauge Semi-Auto 3" 5+1 18.50" Flat Dark Earth Steel Barrel, Picatinny Rail Aluminum Receiver, Picatinny Handguards, Flat Dark Earth Adj Cheek Riser Synthetic Stock, Black Polymer Grip The Citadel Pup Scout features a metal upper and forend, integral Picatinny Rails on top and bottom; ambidextrous mag release, charging handle and safety selector; adjustable cheek rest; Forward and Rear adjustable sights. Includes three choke tubes.