This is the SAINT for the rugged individualist who appreciates the classics. The lightweight mid-length direct gas impingement operating system offers superlative reliability. Top-end B5 Systems furniture combines comfort with ample M-Lok space so you can customize your SAINT to fit your unique personality. The traditional front sight base is both unbreakable and foolproof. A 16 chrome moly vanadium Melonite-coated 1:8-twist barrel strikes the perfect balance between compact portability and rugged performance. – Caliber: 5.56x45mm NATO (.223 REM) – Color: Black – Barrel: 16 CMV Melonite 1:8 – Sights: Low Profile Adjustable Flip-Up Rear A2 Front – Upper Receiver: Forged 7075 T6 Aluminum Type III Hardcoat Anodized Forward Assist M4 Feed Ramps – Lower Receiver: Forged 7075 T6 Aluminum Type III Hardcoat Anodized Accu-Tite™ Tension System – Bolt Carrier Group: M16 w/ Carpenter 158 Steel Bolt HPT/MPI Melonite – Gas System: Direct Impingement Mid-Length Pinned Gas Block – Handguard: B5 Systems Mid-Length M-Lok – Stock: B5 Systems Bravo – Trigger: Nickel Boron Coated GI – Muzzle Device: A2 Flash Hider – Receiver Extension: Mil-Spec – Receiver End Plate: Mil-Spec – Buffer Assembly: Carbine H Heavy Tungsten Buffer – Charging Handle: GI Style – Safety Switch: Single Side – Trigger Guard: B5 Systems Polymer – Pistol Grip: B5 Systems Type 23 P-Grip – Magazines: (1) 10-Round Magpul PMAG Gen M3™ – Weight: 6 lbs 4 oz – Length: 33-36.25