I'm using 25.5 grains of H335 under 65 gr. Gamekings, and I easily killed a couple of WT's with my AR Friday evening at 150 and 230 yards.

I don't think 60 NPT's are going to perform in any lesser fashion, whatever powder you use.



Originally Posted by captain seafire
I replace valve cover gaskets every 50K, if they don't need them sooner...