100% Agree. That's why Ostler says "his" Strippers should really only be set up by himself as the vast majority of ordinary shooters wont have the tools for the job. Apparently my KFC straw is not up to the job ! That's how my set up was tested, the results on the cards showed the effect of the Oster Air stripper does improve groups. In all honesty I don't know how much my stripper weighs v std Ev2, I will try and find out ? Everything else is in Ft Blog Martin.