.455_Hunter
Member
Seeing pretty inconsistent results on-line...
I am looking for the size of the tapped holes on top of the Ruger 10/22 receiver where a scope base can be mounted. 6-40 or 6-48?
Thanks!
I am looking for the size of the tapped holes on top of the Ruger 10/22 receiver where a scope base can be mounted. 6-40 or 6-48?
Thanks!