Any time Wade, and if you pm me your phone # I'll give you a call and we can talk about this a bit more.
H4831 works so well in this tube that I don't know if I'd try R17 or not. I have the rifle set up with dotz so another 50-100 fps doesn't mean a thing to me.
But, perhaps this summer I'll get bored and try it...grin
Dober
