Yankee Hill Machine Standard Top Mounted Deployable Front Sight Black. The sight base of the Yankee Hill Machine Front Flip Sight Tower features all steel construction for superior strength in demanding conditions. The flip sight is easily concealed with the push of a button. The Yankee Hill Machine Standard Front Flip Sight Tower flips up and locks in the deployed position. This sight accepts all standard AR sight posts and hardware (Included). With this setup you get the convenience of a flip front sight with the same weight as a standard AR sight tower. The two-piece design of the Yankee Hill Front Flip Standard Sight Tower allows it to be mounted on firearms with pinned and welded muzzle accessories. Specifications for Yankee Hill Machine Standard Top Mounted Deployable Iron Sight: Manufacturer: Yankee Hill Machine Color: Black Condition: New 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: Steel Gun Type: Rifle Hand: Ambidextrous Attachment Type: Barrel Clamp Finish: Matte Features of: It mounts easily and securely Four cap screws using a 7/64" Allen wrench These gas blocks have a bore diameter of .750 inches Package Contents: Yankee Hill Machine Front Flip Sight Tower - Standard YHM-9394 The Yankee Hill Machine Standard Front Flip Sight Tower Matte Black YHM-9394 is a quality addition to the Yankee Hill Machine lineup. For more great deals on AR 15 Parts by Yankee Hill Machine please browse our Yankee Hill Machine Gun Parts page. What firearm models does the manufacturer say Yankee Hill Machine Standard Top Mounted Deployable Iron Sight is compatible with? The manufacturer says that Yankee Hill Machine Standard Top Mounted Deployable Iron Sight is compatible with AR-15Yankee Hill Machine YHM-9394: Standard Top Mounted Deployable Front Sight Black