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. Features: Furniture - Magpul MOE-SL buttstock and MOE grip Gas system - direct impingement, low profile non-adjustable gas block, mid-length 15 inches M-Lok slim hand guard Anodized or Cerakoted forged aluminum upper/lower receiver set Nickel boron coated BCG