in each of my 22.250s Benchmark didn't do so well at the max listed for it with each bullet weight...
however, when I used the starting loads, they each were shooting little bitty groups... don't know if others have experienced that... but it held true in the 5 rifles in that chambering, plus a couple of buddys' rigs...
Originally Posted By Rauncho_Bozo:
I run rigs harder than you can ever dream of, and have NEVER needed to replace valve cover gaskets as a routine maintenance item. Even under severe duty schedules.. Nor has ANYONE I've ever known.