Manufactured from steel alloy, this Disconnector has the proper length above and below the pivot hole to provide correct function with light trigger pulls and to reduce drag on the slide. Disconnector has been heat treated to 42-44 Rockwell C for durability and is suitable for match and tactical handguns with trigger pulls of 4 lb and greater. Requires fitting by a qualified gunsmith.Notes: Proper length above and below pivot hole to provide correct function with light trigger pulls and to reduce drag on the slide.