Ozark Armament Rear Iron Sight | Fixed Picatinny Mount Iron Sights for AR Style Rifles Rugged and Durable  Solid metal construction means our rear iron sight will stand up to whatever abuse you can think of. Modeled after a carry handle rear sight without the added bulk of the handle allows addition of optics directly on the rail. Fully Adjustable  Adjust for both windage and elevation with dial adjustments means no need to adjust the front sight. Absolute Co-Witness  Designed specifically for AR style rifles the sight offers absolute co-witness with standard AR optics. Adaptable  Dual apertures for both close quarters and long range precision shooting. 100% Satisfaction Guarantee  Backed by our Lifetime Warranty and awesome US based support. We are glad to answer any questions you have.