Blue AR-15 parts for you next build. We have AR-15 Blue Uppers, Blue AR-15 Lower Parts, Blue AR-15 Upper Receivers. We use Cerakote and Anodized finishing process for all of our Blue Parts. Blue Accent parts can really make you next build look amazing. By taking small Blue AR-15 parts and adding them to your red and black build you can make a one of a kind AR-15 pistol or rifle. Check out the biggest and best selection of Blue AR-15 Parts online!