Well I happen to own 2 pretty spendy Rimfires, both 10/22 based The 22LR is a stainless Ruger action with a Volquartsen SS fluted/comped barrel, all Power Custom titanium action parts, Volquartsen thumbhole stock (made by McMilan) I had a 6.5-20 VX3 Target scope on it for awhile, 50 yards its shoots...

Well if you can find them the CCI BR2's seem to work best for my .243's, but for hunting just about any large rifle works great, my .243's don't seem to be all that picky. My go to powder is RL 15, i buy it in 8lb jugs, its a great powder for .243 and 22-250 both of which I shoot allot of. The RL 15...