My brother offered me a barrel which is marked for .17 HMR. It has no other markings on it. He said it bolts up perfectly to his 10/22 receiver. Numerich gun parts has a drawing of the Ruger M77 varmint which looks to have the same barrel mounting as the Ruger 10/22. I would rather have a bolt action so I'm wondering if anyone knows for certain if Ruger uses the same barrel / receiver interface design for the 10/22 and 77/17 varmint.
Thanks in advance
Thanks in advance