Offset 45 Degree Iron Sight: It won't take too much space and interfere other accessories or optics. Allows you to slightly rotate your weapon to witness target through them and engage. Flip-Up Design: Spring loaded flip up feature. A simple press of the button and your iron sights will pop up quickly for quick transition between iron sights and scopes. User-Friendly: The iron sight can be used for both left-handers and right-handers freely and easily. Provides quick transition between long range target engagement and closer target acquisition. Universal Compatibility: Compatible with standard picatinny & weaver rail mounting system. Fully adjustable for windage and elevation (Tool needed). Low profile when folded. Quality Made: The 45 degree offset sight are made of actual aluminum alloy with black matte finish which makes the sight sturdy, durable and handle high-power recoil.