What's in the Box Daniel Defense MK18 5.56mm NATO FDE Pistol (1) 32 Round Magazine Daniel Defense Full-Latch Impact Case Cable Lock Owner's Manual The Daniel Defense MK18 Pistol is inspired by the original MK18, which has been extremely popular within the Law Enforcement and Special Operations communities. This firearm is classified as a Pistol and not a Short Barreled Rifle (NFA regulated items require ATF approval and a tax stamp). The Daniel Defense MK18 Pistol features the railed forend Daniel Defense currently provides to USSOCOM and a 10.3 Cold Hammer Forged Barrel, the same length commonly used for CQB operations. The MK18 RISII features our patented 6-bolt Bolt-Up System and has been rigorously tested prior to fielding by USSOCOM. This pistol comes equipped with the SB Tactical SBA3 Pistol Stabilizing Brace with 5 positions of adjustability and integral, ambidextrous QD swivel attachment point. The new independently ambi GRIP-N-RIP Charging Handle accommodates left- and right-handed shooters and is engineered for suppressed fire, with anti-gas features that redirect gas flow upward and away from the face and operator. Materials & Construction LOWER RECEIVER: Mil-Spec with Enhanced Flared Magazine Well and Rear Receiver QD Swivel Attachment Point. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized UPPER RECEIVER: Mil-Spec with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized RECEIVER EXTENSION: AR Pistol Receiver Extension BARREL: Chrome Moly Vanadium Steel, Cold Hammer Forged, 1:7 Twist, 10.3 Govt Profile, Chrome Lined, Mil-Spec Heavy Phosphate Coated, and HP/MPI Tested GAS SYSTEM: Low Profile Gas Block CNC Machined of 4140 hardened steel with Mil-Spec Heavy Phosphate Coating, Carbine Length, Direct Impingement MUZZLE DEVICE: Daniel Defense Flash Suppressor, 17-4 PH Stainless Steel, Salt Bath Nitride Finished BOLT CARRIER GROUP: M16 Profile, MP Tested, Chrome Lined, Properly Staked Gas Key BUFFER: H Buffer HANDGUARD: Daniel Defense RIS II MK18, CNC Machined of 6061-T6 Aluminum, Type III Hard Coat Anodized, FDE BRACE: SB Tactical SBA3 Pistol Stabilizing Brace PISTOL GRIP: Daniel Defense Pistol Grip, Glass Filled Polymer with Soft Touch Overmolding RAIL PANELS: Daniel Defense Rail Panels made from Santoprene, heat resistant to 300 F. Made in the USA! Firearm Specifications Manufacturing # / SKU: 02-088-06030 Restricted Shipping: Yes Caliber: 5.56mm NATO Muzzle Thread: 1/2x28 TPI (Threads Per Inch) Gas System: Carbine Barrel Length: 10.3" Profile: Government Product Weight: 5.95 lbs Length: 28 3/4" Magazine: DD Magazine (32 Round) Case: Daniel Defense Full-Latch Impact Plastic Case Manufacturer: Daniel Defense