iTac Sig Sauer Rotary Diopter Sight - WITH RISER

iTac Rotary Diopter rear sight with Sig Sauer logo. Comes with a removable .522" riser for use on AR-15 rifles. Or remove the riser for your Sig Sauer 556 rifle with the hooded front sight. Has four range settings, CQB, 100m, 200m and 300m. Easily mounts on any Picatinny Rail and can be adjusted for windage and elevation without tools.