WOW this gun shoots lightsout.I bore sighted it first shot4 inches low deadcenter adjusted scope next 6 shots tounching.I was using bh209 at 90gr. 300gr. deepcurl,mmp hph24 sabot and cci209m primers.I do have the wp breechplug in seemed to work good.I am really pleased with this gun i also adjusted the headdspace to .018. the primer were pretty clean.