jaysouth
Member
I bought a used Topper 30-30. The barrel is drilled and tapped for 3 screws to fasten the mount on. It appears that two of the holes are boogered out and mount screws are only actually engaging one hole.
I plan to drill out the holes and re-tap to 8-40.
What size drill bit do I need for an 8-40 pilot hole. Also, do I need a tapered or plug tap?
As you can tell, I am not much of a machinist or gunsmity, but this is a pretty simple job that I feel comfortable doing by myself.
Thanks
I plan to drill out the holes and re-tap to 8-40.
What size drill bit do I need for an 8-40 pilot hole. Also, do I need a tapered or plug tap?
As you can tell, I am not much of a machinist or gunsmity, but this is a pretty simple job that I feel comfortable doing by myself.
Thanks