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) 30-Round Magpul PMAG Gen M3™ - Weight: 6 lbs 4 oz - Length: 33-36.25