Originally Posted by
John 242
The only stupid question...
The barrel nut in the picture is just a sleeve/adapter that's screwed onto the barrel shank?
Cut the old Carcano barrel off where it narrows down, bore it out and thread it using a 60-degree single point cutter on a boring bar?
The hole in the sleeve/collar is a through hole or is there a shoulder that the barrel shank butts up against? I would think it would have to be a through hole, or you would have a seam in the chamber where the collar/sleeve and barrel meet.
No shoulder on the (new) barrel itself, but I guess it doesn't matter?
Maybe use some green Loc-Tite to hold the sleeve to the barrel?
Once the sleeve is secured to the barrel, screw the barrel with collar into the receiver, chamber and headspace?
I noticed that in the picture there is a flat on the barrel nut.
Maybe cut the flats on a mill... I was thinking an octagon...on some sort of indexing set up? If not then two flats cut opposite each other with the barrel held in v-blocks?
Just thinking out loud, but if anybody can educate me a little I would appreciate it.