Caliber: 5.56x45mm NATO (.223REM) – Length: 36.25 – Weight: 7 lbs 4 oz – Upper Receiver: Forged Type III Hard Coat Anodized 7075 T6 Aluminum – Lower Receiver: Forged Type III Hard Coat Anodized 7075 T6 Aluminum w/ Accu-Tite™ Tension System? – Barrel: 16 CMV 1:8 Twist Melonite® Finish – Gas System: Direct Impingement Mid-Length Low-Profile – Trigger: Enhanced Nickel Boron Coated Single Stage Flat Trigger – Sights: Spring Loaded Flip-Up Front & Rear – Trigger Guard: Bravo Company – Pistol Grip: Strike Industries – Handguard: 15 M-Lok Aluminum Free Float w/ SA Locking Tabs – Butt Stock: Magpul Fixed – Buffer Assembly: Carbine H Heavy Tungsten Buffer – Receiver Extension: Mil-Spec Dimension Carbine 7075 T6 Type III Hard Anodized Aluminum – Charging Handle: GI Style – Bolt Carrier Group: Enhanced M16 MPT Melonite® Finish w/ 9310 Steel Bolt – Magazine: 1 – 10 Round Magpul PMAG Gen M3 – Case: Soft Rifle Case