CALIBER: 9MM - COLOR: Black - UPPER RECEIVER: Forged 7075 T6 Aluminum Type Ill Hard coat Anodized - HANDGUARD: Aluminum Free Float w/ SA Locking Tabs M-Lok - MUZZLE DEVICE: SA 9mm Forward Blast Diverter - CHARGING HANDLE: Standard - GRIP: B5 Systems Type 23 P-Grip - LENGTH: 31.75-35 - BARREL: 16 CMV Melonite 1:10 - LOWER RECEIVER: Forged 7075 T6 Aluminum Type Ill Hard coat Anodized Accu-Tite Tension System - STOCK: B5 Systems Bravo - RECEIVER EXTENSION: 6-Position Adjustable - SAFETY SWITCH: Ambidextrous - MAGAZINES: (1) 32-Round - SIGHTS: Low Profile Spring-Loaded Adjustable Flip-Up - BOLT CARRIER GROUP: 9mm Blowback - TRIGGER: Nickel Boron Coated Flat - RECEIVER END PLATE: OD - TRIGGER GUARD: B5 Systems Polymer - WEIGHT: 6 lbs 15 oz