The Packaged – AM-15 Gas Block, Low Profile – .750 comes in our new retail packaging to better gift to others for Holidays, Birthdays, or Other Special Occasions! Also allows dealers to hang our products in store! The AM-15 Gas Block, Low Profile – .750 Packaged is intended to fit underneath free floats. This Gas Block is made from 6061 T6 aluminum and is compatible with a .750 dia Barrel. Roll Pin and Set Screws are included with this gas block.