I see Slamfire and snickers are shooting 1-38" twist guns,anyone else? I have a T/C White Mountain Carbine in .50 cal and I'm just starting a little load development.Been playing with 90 gr 777 and 300 gr T/C shockwaves.I'd be interested to hear about anyones successfull loads,any bullet/powder combos,patched roundball,conicals. .I'll be using this gun for deer with a T/C peep sight ,100 yd max.Thanks