Didnt get as far as checking accuracy because with the two rifles I own they barely made it out of the barrel. With the Steyr Pro X .22 at 12ftlbs they never made it out of the barrell, set at 20ftlbs (with any other pellet) I was getting just 3ftp! May be the nickle lined long barrel (65cms). So only use would be to clear lead cloggeing from barrel. With my FX Dream line set at 12 ftlbs I was getting 7ftlbs, have not got round to checking them at higher energies.