The WILLIAMS WGRS Octagon Barrel or Receiver Peep Sight (44737) is a perfect compliment to traditional CVA-guns. The durable, low profile, rustproof peep sight is lightweight, yet built to stand up in the toughest weather conditions. It is easy to mount to your gun barrel with just two screws, or utilize the dovetail or existing screw holes on top of your receiver for quick installation. Sight your gun is easier and faster with the compact, low profile peep sight. The WGRS sight is machined from durable, lightweight aluminum and features positive wind and elevation locks. Features:  - Compact Low Profile; - Lightweight, Strong, Rustproof; - Positive Windage and Elevation Locks. About Williams: Williams Gun Sight Company was started in 1926 by Harvey Williams as a sight manufacture. The company grew its sight manufacturing business over the years then developed a retail store and shooting ranges in Davison, Michigan. In recent years, Williams is the oldest sight company that provides sights to many different gun manufactures.