Browning Gun Oil No Synthetics Pinpoint App 6 oz. Aerosol Step 4 – 124040 Step 4 Gun Oil – Proprietary formula passes strict military requirements – Low surface tension provides excellent lubrication and corrosion protection – Contains no synthetics – Pinpoint applicator – 6 oz. Aerosol This item will be shipped in compliance with all USPS regulations or will be shipped ORM-D (which requires the package be marked as such) with domestic shipping only.