CNC Machined Aluminum Body Dual Rear Aperture Option Matte Anodized Finish Adjustable Elevation Knob On Front Sight (New Feature) Steel Internals Manual Flip Down System Push Button Lock To Prevent Sight Folding Down During Use Low Profile Design Fits Any Flattop Receiver/ Picatinny Rail Lightweight Designed For Same Plane (Rail Height) Specifications for Guntec USA Rapid Acquisition Precision Sights: Manufacturer: Guntec USA Condition: New Sight Mounting Orientation: Top Mounted Sight Position: Front and Rear Gun Model: AR-15 Gun Make: AR Platform Front Sight Color: Black Rear Sight Color: Black Deployable: Yes Fabric/Material: CNC Machined Aluminum Height: 1.75 in Illumination Type: Non-Illuminated Gun Type: Rifle Hand: Ambidextrous Features of Guntec USA Rapid Acquisition Precision Sights Adjustable Elevation Knob On Front Sight Dual Rear Aperture Option Manual Flip Weight: 3.0 Oz Down System Push Button Lock To Prevent Sight Folding Down During Use Fits Any Flattop Receiver/ Picatinny Rail Designed For Same Plane (Rail Height) Low Profile Design Package Contents: Guntec USA Rapid Acquisition Precision Sights