Magpul Industries MBUS 3 Back-Up Front Sight, Tool-Less Elevation Adjustment Similar to MBUS Pro, Ambidextrous Push-Button Deployment, Fits Picatinny Rails, Flip Up, Black MAG1166-BLK
Specifications:

Type
Frame Material	Polymer
Frame Color	Black
Firearm Fit	AR-10/AR-15/M-4/M16/M110/SR-25
Base Configuration	Picatinny Rail
Style	Folding Back Up Sight
Front Material	Polymer
Rear Material
Front Color	Black
Rear Color
Rail Size
Windage Adjustment
Elevation Adjustment	1 MOA/ 0.7 MOA
Fiber Diameter
Firearm Type	AR Platform