For sale is usually a Swiss Model K11 Schmidt-Ruben straight pull action rifle chambered in 7.5x55mm gun is in great condition for its age with shinny bore and clear rifling. $650 Some from the most powerful airsoft pistols tend for being CO2 non-blowback pistols where the slide does not shift. https://blankgunsforsaleusa49382.plpwiki.com/6747127/details_fiction_and_shotgun_kiss