Receiver: Spec15 Forged Aluminum Receiver Set – Barrel: 5.56 164150V Chromoly – BCG: Phosphate Coated Spec15 BCG – Charge Handle: Spec15 Forged Charge Handle – Trigger: Mil-Spec G.I. Trigger – Gas System: Direct Impingement; A2 Front Sight Gas Block – Muzzle Device: A2 Flash Hider – Furniture: G.I. Grip & M4 Carbine Stock – Handguard: Mil-Spec Two Piece Polymer Handguard – Length: 34 – Weight: 7lbs 7oz