HI up for sale this is my air airms s-510 , I did wrap it with camo to protect stock , it is very accurate under 1/2 at 50 yards all day long . Here is what comes with it , sling swivels , I installed a bipod rail for my atlas , I did install a A Altaros regulator , I also upgraded the fill valve to a foster fitting , I also have a spare oring set , I want $840 shipped or $800 picked up if local here is some pics