This might be worth a shot.
CCI Technical Support, Lewiston, Idaho
Ask for Coy Getman, he's as up to speed on the 17s as you'll find......helluva nice guy, to.
866 286 7436
coy dot getman
ATK.com 'ya know close it all up and . , etc.
He helped me out with a bunch of rimfire pressure questions, and all of his advice worked for me.
Don't dismiss a quality re-line, for this job.....they're scary accurate, properly done......and Hammer Forged Chro-Mo will take the beating that a rig like this will inevitably endure.