Bartlein or Kreiger Customizable A2 Service Rifle Upper
CLE Service Rifle Upper in .223 caliber
The barrels are Stainless Steel with choice of chamber and the rear sight base in either 1/2 or 1/4 MOA.
Standard install finds our CLE float tube, hood, interchangeable aperture of your choice, windage adjustable front sight with post of your choice.