Gehmann 579-I Lens Adaptor for Rearsight Irises Size:I three-dimensional field of view and

three-dimensional field of view and a bright image for the price

it's a genuinely rugged

A swing-out anti-cant level is built in

effective addition to any gun cleaning kit

Vortex's High Definition optical system

Gehmann 579-I Lens Adaptor for Rearsight Irises Size:I three-dimensional field of view andThe Gehmann 579 I is a small precision adaptor that lets you fit Gehmann's 579 cylindrical lens system onto a compatible rearsight iris, rather than buying a whole new iris unit. It is internally threaded to pick up your existing iris's own front thread, so the 579 lens locks straight onto the sight you already use. The 579 I variant is matched specifically to the 566, 566 R, 566 S, 567, 570, 570 R and PH570 irises check your iris model before