If an eye nevus is present, it should be looked at regularly by an ophthalmologist (a doctor who specializes in eye diseases). People who notice a dark spot on the colored part of their eye (the iris) should have a doctor look at it, especially if it is getting bigger.
Follow these basic steps to clean your firearm. 1  Attach the bore brush to the cleaning rod. Wet the brush with powder solvent. 2  Attach a clean patch to the cleaning rod. Add powder solvent to the patch. 3  Put a fresh, clean patch on the cleaning rod. Add a light coat of oil on the patch.
Pure silicone oil is very good for cleaning your air gun barrel and lubricating the rest of the air gun, do not use cleaning fluids meant for regular firearms, they will ruin the seals in your air gun. One of the most important things about cleaning an airgun barrel -- you rarely need to clean it.