Black Rain Ordnance has made a promise to make your firearm exactly that your firearm. With the addition of the Spec + Series you have over 100 different build configurations and 21 different finish options to choose from. If you are looking to add something special to your arsenal without breaking the bank. The all new Black Rain Ordnance Spec + Series would be a good choice for you.Specifications: Action Type: Semi-Automatic Series: Spec15 Series Caliber: 300 Blackout Capacity: 30 Safety: Ambidextrous Grip Type: Magpul MOE Barrel Material: 4150 Chrome Molybdenum Steel Receiver Material: Forged Aluminum Receiver Finish: Anodized and Etched Frame Finish: Anadized Black Barrel Length: 10-1/2" Overall Length: 28" Weight: 7 lb 8 oz Gas System: Direct Impingement Low Profile Non-Adjustable Gas Block Carbine Length Handguard: 12" M-LOK Hybrid Muzzle Device: A2 Flash Hider Trigger Type: GI Stock Material: Synthetic Stock Finish: Black Orientation: Right