17AMI Lyman 17A .494" High Front Sight 3/8" DT

17A sights are machined from a solid piece of steel and are designed to be mounted in 3/8" dovetail slots. They are supplied with eight interchangeable inserts that lock in place with a threaded cap. Available in three sight heights, .404", .494", .584" as measured from the bottom of the dovetail to the center of the aperture.