Precision Reflex PRI Flip Up Front Sight w/ .625 Crossbolt Black. 625-inch Crossbolt stands out among other AR 15 Iron Sights. Precision Reflex makes AR 15 Parts with the front sight attached allowing the front blades to go directly above the barrel where the gas block connects the barrel and gas tube. This gives the sight impressive stability and durability which means it is much less likely to move or loosen after regular use. This Precision Reflex Front Sight weighs only 4.9 ounces so it doesn't add too much weight to your weapon letting you aim and fire for even longer without fatigue. Pick one up today to take your weapon to the next level Specifications for Precision Reflex PRI Flip Up Front Sights w/ .625 Crossbolt: Manufacturer: Precision Reflex Color: Black Sight Mounting Orientation: Top Mounted Sight Position: Front Gun Model: AR-15 Gun Make: AR Platform Front Sight Color: Black Rear Sight Color: Front Sight Only Deployable: Yes Fabric/Material: T6 6061 Aluminum/ Cast Steel Front Blade Height: 2.575 in Gun Type: Rifle Included Accessories: Standard Weather Resistance: Yes Features of Precision Reflex PRI Flip Up Front Sight .625: The PRI flip up front sight with .625 w/ cross bolt The base is solid 4140 cast steel with provision for the gas tube an integral part of the unit Front post is constructed of T6 6061 hard coated black anodized aluminum Front post uses the standard A2 post for height adjustment Sight weighs 4.9 ounces The centerline of barrel to line of sight is 2.57" Package Contents: Precision Reflex PRI Flip Up Front Sights w/ .625 Crossbolt What firearm models does the manufacturer say Precision Reflex PRI Flip Up Front Sights w/ .625 Crossbolt is compatible with? The manufacturer suggests that Precision Reflex PRI Flip Up Front Sights w/ .625 Crossbolt is compatible with AR-15Precision Reflex 05-0026: PRI Flip Up Front Sight w/ .625 Crossbolt Black