Precision Reflex PRI Flip Up Front Sight .750 Crossbolt Black. These AR 15 Parts by the executives at Precision Reflex feature a lightweight construction that won't weigh you down. By eliminating the shadow cast the Precision Reflex 750 Crossbolt Sight keeps your line of sight free and unobstructed. Easy-to-use the Precision Reflex PRI M16 M4 and AR15 Sight will take your shooting game to the next level. Specifications for Precision Reflex PRI Flip Up Front Sight w/ .750 Crossbolt: Manufacturer: Precision Reflex Color: Black Condition: New Sight Mounting Orientation: Top Mounted Sight Position: Front Gun Model: AR-15 M16 M4 Gun Make: AR Platform Front Sight Color: Black Rear Sight Color: Front Sight Only Deployable: No Fabric/Material: T6 6061 Aluminum/ Cast Steel Front Blade Height: 2.575 in Gun Type: Rifle Included Accessories: Standard Weather Resistance: Yes Attachment Type: Cross Bolts Precision Reflex Flip Up Front Sight 3AK-IRN-PRFSI75 Fits arrels .750" dia. M16 M4 and AR15 Eliminates the shadow cast Lightweight hard coated black anodized aluminum Package Contents: Precision Reflex PRI Flip Up Front Sight w/ .750 Crossbolt What firearm models does the manufacturer say Precision Reflex PRI Flip Up Front Sight w/ .750 Crossbolt is compatible with? The manufacturer says that Precision Reflex PRI Flip Up Front Sight w/ .750 Crossbolt is compatible with AR-15 M4 M16Precision Reflex 05-0025: PRI Flip Up Front Sight .750 Crossbolt Black