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                    **[OXYNATE~ NO. 7 1-40# OXYNATE 7 (HAZ MAT)](http://screwsuk.co.uk/links/clicked/15294/680)**


                                                                    OXYNATE NO. 7 has, for more than 55 years, been the popular  bluing salts for the professional gun trade. For quantity work (one to a  dozen guns a week or month) the cost per gun is extremely low. Oxynate  No. 7 is manufactured by one of the country’s chief producers of  manufacturer’s chemicals and sold by us to the gun trade by exclusive  license. This is mentioned so that you’ll appreciate the vast research  laboratories available to our users of Oxynate No. 7- and that you are  using the best gun blue modern science and research can produce.