Daniel Defense M4A1 5.56mm NATO 16in Mil Spec + Cerakote Semi Automatic Rifle - 30+1 Rounds - The Daniel Defense M4A1 features the M4A1 RIS II, which has been in use by US Special Operations Command (SOCOM) for the SOPMOD II Weapons System since 2005. The M4A1 features a 14.5in Cold Hammer Forged M4 Profile barrel with a permanently attached Daniel Defense Flash Suppressor. 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. This rifle also comes with the rugged and comfortable Daniel Defense Buttstock and Pistol Grip. Daniel Defense Full-Latch Impact Plastic 3 Santoprene LP Rail Ladders Permanent Attached Flashider H Buffer M16 Profile, Mil-Spec MP Tested, Chrome Lined, Properly Staked Gas Key, 6 Position Mil-Spec 7075 T6 Aluminum Receiver Extension Daniel Defense Pistol Grip, Glass Filled Polymer With Soft Touch Overmolding Mil Spec + Cerakote Finish Made In The USA