Precision Reflex PRI Fixed Front/Rear Sight Package Black. Rear sight has windage knob for side to side adjustment while front has a standard A2 post that allows for elevation movement. Both sights are set at 1.4in elevation. Sights together weight .22 lbs or 3.5 ounces. Specifications for Precision Reflex Pri Fixed Front/Rear Sight Packages: Manufacturer: Precision Reflex Color: Black 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: No Fabric/Material: T6 6061 Aluminum/ Cast Steel Front Blade Height: 1.4 in Gun Type: Rifle Included Accessories: Standard Weather Resistance: Yes Attachment Type: Single Cross Bolt Weight: 3.5 oz Package Contents: Precision Reflex Pri Fixed Front/Rear Sight Packages What firearm models does the manufacturer say Precision Reflex Pri Fixed Front/Rear Sight Packages is compatible with? The manufacturer suggests that Precision Reflex Pri Fixed Front/Rear Sight Packages is compatible with AR-15Precision Reflex 05-12829: PRI Fixed Front/Rear Sight Package Black