The Williams™ 70105 Fire Sight is specifically designed to fit on a .625" diameter barrel. Williams™ Fiber Optic Fire Sights offer shooters unmatched open sight visibility in low light settings. The fiber optic rods built into every Williams™ Fire Sight Set gather ambient light and reflect it back to your eye, enabling faster target acquisition. Williams™ Fire Sights do not use artificial light sources to create their sight visibility, making them legal to use in states that do not allow artificial light sources on your firearm while hunting. 

This Williams™ Fire Sight Set 70105 fits the following:

• .625" Barrel Diameter