OK, the RL 26 contingent has convinced me.  About a week from now when a few more tools have arrived I will try Reloder 26 in Lapua brass with a Federal 215 primer all behind a Sierra 180 MK.  If I can't get it to shoot then I'll try the H4350 route.  
Thanks for all your replies and God bless.
				
			Thanks for all your replies and God bless.
 
	








 
 
		 
 
		

 
	
