Winchester 70, Tikka T3, ruger America, and ruger Precision Rifle all have 1”x16tpi tenons. Multiple companies already make barrel nuts and long threaded tenon barrels for a barrel nut system specifically for tikka T3 and ruger America rifles.

http://northlandshooterssupply.com/ specialize in R700 and Savage.
https://patriotvalleyarms.com/barrel...rless-barrels/ pretty much has barrel nuts for everything else.