<b>Specification: </b><br> 1 x Front Sight<br> 1 x Rear Sight<br> 1 x Allen Wrench <br><p> <b>Easily to install on picatinny and Weaver Rails</b><br> Compatible with Picatinny rails and Weaver rails,and provides the same height-over-bore as standard A2 Irons<br><p> <b>Easy Flip Up Operation</b><br> A simple press of the button and your iron sights will pop up quickly for quick transition.<br><p>