Re: .300 win mag
A few years ago I was reloading for my No. 1 in .300 WinMag. I wanted a paper load so started playing with 168gr Match. Speer was what was on the shelf. I was never really impressed. I switched to 168gr Hornady Match, what a world of difference. I have wanted to play with the Sierra MKs, never got around to it. Now since I've been hanging out on this site I want to play with the Bergers, and SMKs.
I know Ruger barrels have a habit of being picky. Mine definitely is picky. I can hardly wait to get home and start ladder testing, and getting ready for hunting season.
There are only two seasons: Hunting season, and Getting Ready for Hunting season. -DAD