Black Rain Ordnance has made a promise to make your firearm exactly that YOUR firearm. With the Spec+ Series you have over 100 Different build configurations and 24 different finish options to choose from. If you are looking to add something special to your arsenal without breaking the bank the Black Rain Ordnance Spec+ Series has proven to be a great choice. – Receiver: Spec15 Forged Aluminum Receiver Set – Barrel: 5.56 16 4150V Chromoly / 300BLK – 16 Socom Profile 4150V Chromoly – BCG: Nickel Boron Coated AR15 BCG – Charge Handle: Spec15 Forged Charge Handle With Oversized Tac-Latch – Trigger: BRO 3.5lb Drop-In-Trigger – Gas System: Direct Impingement; .750 Low Profile Non-Adjustable Gas Block – Muzzle Device: A2 Flash Hider – Furniture: Magpul MOE Grip & Magpul MOE Stock – Handguard: 15 MLOK Slim Handguard – Length: 34 – Weight: 7lbs 8oz