Action: Semi-Auto – Caliber: 5.56 NATO – Capacity: 30rd – Barrel: 16 (1:7) Chrome Lined/Chrom Moly Vanadium with Flash Hiding Compensator – Sights: Magpul Flip-Up – Receiver Upper: Aluminum Black – Receiver Lower: Aluminum Black – Stock: Magpul STR Black – Grip: Black – Trigger: Two-Stage Precision – Length: 33.3-36.6 – Weight: 7 lbs. – With its 16-in. chrome lined / chrome moly barrel at the heart of its design the M15TAC16 blends rugged durability with exacting precision. The Tactical handguard’s slim octagonal profile sports a full length MIL-STD 1913 12 O’Clock rail for sights and accessories. – Included with Rifle: (1) 30rd Magpul PMAG