Just finishing my 6BR norma Savage with 105's and wanted to know if anyone has shot this caliber all day Prairia Dog shooting. Did you hold up ok after 300-400 shots? I use a 22-250, 22-250 A.I. and 22-243 A.I. normally and just wanted to try out the 6BR.gun) Using the Savage F/TR rifle with a SSS 6mmBR Norma barrel with 1-8.