I've got this barrel for sale.............like new...used very little.
Midway price was $255 for it, I'm asking $200 shipped to lower 48.
Volquartsen Barrel Ruger 77/22 22 Long Rifle THM Tension .920" Diameter 1 in 16" Twist 16-1/4" Carbon Fiber Black
PM me your cell # for pics and info
See it here...
https://www.midwayusa.com/product/1003668013