This is a Daniel Defense M4A1 RIS II chambered in 5.56 Nato. It is equipped with a full quad rail system with rail covers. It has an angled front grip, Vortex Strike fire II red dot scope. Has DD pistol grip and adjustable stock. Front and rear MBUS flip-up sights. Overall condition of this DDM4A1 RIS II is in excellent condition. MAKE: Daniel Defense MODEL: M4A1 RIS II ACTION: Semi-Auto CALIBER: 5.56 Nato FINISH: Black STOCK: Adjustable CONDITION: Excellent BARREL LENGTH: 16.5 inches OVERALL LENGTH: 31.6 inches Shortest / 34.55 inches Longest LENGTH OF PULL: 10.25 inches Shortest / 13.3 inches Longest SCOPE: Votrtex Striker Fire Red Dot SIGHTS: Mbus Flip Up Sights MAGAZINE: One CAPACITY: 30 Rounds CHOKE TYPE: N/A CASE: No ACCESSORIES: Vortex Striker Fire Red Dot, MBUS Flip Up Sights SERIAL #: DD037631D SKU# 332673 RR