V vagrendlier Private Full Member Minuteman Jul 6, 2013 60 0 Roanoke,VA Jul 10, 2013 #1 Jul 10, 2013 #1 I picked up some 100grn 6.5 a-max for my grendel. Xbr8208 is the only powder I currently have available , anyone care to give a good starting point? The rifle has a 24" bull barrel w/1:9twist
I picked up some 100grn 6.5 a-max for my grendel. Xbr8208 is the only powder I currently have available , anyone care to give a good starting point? The rifle has a 24" bull barrel w/1:9twist
