Brand new Ruger Mark IV blued steel upper receiver and 4.4 inch barrel threaded for suppressor use. Includes head spaced matching bolt from factory, sights and thread protector. This a new in the box take off to build a custom competition pistol. This will fit any MarkIV lower, target grip or 22/45 steel or Lite model. Absolutely no blemishes with 0 rounds fired. This is a NFA item so a bill of sale is required with all normal firearm transfer rules. Upgrade to a suppressor, you will never regret it. The Ruger Mark IV is the best rimfire host out there.