Leapers UTG Low Profile Flip-up Front Sight MNT-751L should be mounted and ready for action at all times. This Leapers Weapon Accessory is a quick detachable low profileimage front sight tower. Its robust Posi-lock design allows for repeatable flip up and fold down operations. The UTG AR Front Sight MNT751L from Leapers includes an A2 square post assembly for precision elevation adjustment and enhance your shooting accuracy. This weapon accessory was also engineered with a tactical low profile. The precise height on this Leapers front sight will work with any handguard rail or high profile gas block.