What's in the Box Ruger Harrier 5.56 NATO Semi-Auto Rifle (1) 30-Round Magazine Cable Lock Owner's Manual The Harrier tactical rifle features a Magpul MOE K2 grip; DT Carbine collapsible buttstock on a Mil-Spec buffer tube; Picatinny rail at front and rear; QD sling sockets; M-LOK handguard; threaded, Government profile barrel; forward assist; dust cover; brass deflector; GI trigger; charging handle. Includes A2 flash hider and one 30rd Magpul PMAG magazine. Firearm Features A2 Flash Hider Picatinny Rail Black Magpul K2 Grip Magpul DT Carbine Stock Single Stage Trigger Firearm Specifications Manufacturer: Ruger Model: Harrier Caliber: 5.56 NATO Barrel Length: 16.1" Threaded Twist Rate: 1:8" RH Finish: Black Magazine Capacity: 30 Rounds