Tactical AR15 Iron Sights Flip Up Sights AR15 Parts
1.Machined from light weight and durable T6-6061 aircraft grade Aluminum,Non-rust hard anodized finish.
2.Flip-up design with spring load push button, allowing for quick deployment.Rear sight Windage adjustable ,Front sight A2 post elevation adjustable. 
3.Compatible with most Picatinny/Weaver rails.
Product description
Technical Data:
Width: 33mm
Length: 28mm (upright position)
Height: 40mm (upright position) / 11mm (folded, measured from rail base)
Color: Black anodized finish
Fits: 21mm Picatinny / Weaver rails
Rear sight Windage adjustable,Front sight elevation adjustable
What you will get?
Package content:   
1 X Offset front iron sight 
1 X Offset rear iron sight 
1 X Hexagon wrench