What's in the Box Nexgen NG-10 308 Winchester Semi-Auto Rifle (1) 10-Round Magazine Cable Lock Owner's Manual The Nexgen NG-10 is a rugged 308 Winchester semi-auto rifle built for dependable performance. It features a 16" HBAR barrel, 15" M-LOK handguard, and adjustable stock. A nitride BCG and billet receivers enhance durability. Firearm Features 15" M-LOK aluminum handguard with full-length Picatinny top rail Low-profile .750 gas block for a clean, lightweight profile Nitride bolt carrier group for enhanced durability Mil-spec charging handle 6-position adjustable stock Standard pistol grip Hard coat anodized finish Firearm Specifications Manufacturer: Nexgen Model: NG-10 Caliber: 308 Winchester Barrel Length: 16" Barrel Type: HBAR 4150 Chromoly, Nitride, Double Stress Relieved, Button Rifled Muzzle: 5/8"x24 Threaded Upper Receiver: Aluminum Billet Lower Receiver: Aluminum Billet Gas System: Carbine Length Gas Block: 0.750" Low Profile, 4150 Steel, Black Oxide Stock: 6-Position Adjustable, Black Grip: Standard Finish: Hard Coat Anodized Bronze Magazine: (1) 10-Round