Features:This Rifle has a 16" 1x7 Mid Length Light Weight Barrel MilSpec M4 Buttstock 15" MLOK Free Float Tube and A2 Flash Hider. The rifle also comes with 1 x 30rd Magazine and a CA approved Gun Lock. Ships with a Chamber Safety Tool in the chamber showing clearly the weapon is unloaded.Specifications: Barrel: Chrome Moly Vanadium M4 Feed Ramps 16" Length 1x7 Twist A2 Flash Hider Manganese Phosphated Phosphated under Gas Block DTI Low Profile Gas Block Threaded Muzzle Light Weight Profile Chamber: 5.56mm Bolt & Carrier: Phosphated 8620 Steel Carrier Assembly Heat Treated and Plated Mil-Spec Chrome Lined Carrier Interior Carrier Key - chrome lined attached with Grade 8 Screws Properly Staked & Sealed Gas Key Handguards: 15" MLOK Free Float Upper Receiver: Forged 7075 T6 Aluminum Flat Top With M4 Feed Ramps Hard Coat Anodized Mil-Spec Ejection Port Cover and Round Foward Assist Right Hand Ejection Lower Receiver: Forged 7075 T6 Aluminum Hard Coat Anodized Mil-Spec Aluminum Triggerguard Semi-Auto Aluminum Mag Catch Button Buttstock: M4 5 Position Mil-Spec Buffer Tube Included: 1 x 30rd Magazine Gun Lock Weight: 6.2 lbs Empty Length: 36.375" Fully Extended 32.625 Collapsed