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Discussion Starter · #1 ·
Thinking about an M64 threaded barrel build. Any tips on torquing barrel? I found a torque value of 120#. Thought about holding barrel in a vise with aluminum jaws and using a large adjustable wrench with a socket welded to the wrench to provide a place to attach a torque wrench. Use the adjustable wrench on the receiver right at the front where it has plenty of thickness to keep from distorting. Going to need to do the procedure several times to get headspace so it needs to be clean and easy. The other thought was to mill flats on the barrel seating flange and use a similar arrangement on a wrench. Difference would be the receiver would be held in the vise. Red Loctite on the barrel threads? Any help or hints appreciated.
 

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Discussion Starter · #3 ·
I would buy a proper barrel vice from Brownells or somewhere. They come with different sized bushings.
Yes sir. I have a soft fixture for AK barrels to use in vise. I do all my barrel population work with it. The fixture with a machinist level on the mill and it makes notching and pinning easy.
 

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Discussion Starter · #5 · (Edited)
Dee do you cut your extractor notch in the barrel after it is in receiver? Looks like a long shank 3/16” to 1/4” end mill will do it.
 

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Discussion Starter · #7 ·
Ordered a chrome lined barrel from Curtis today. Old slab side M64 is next. It should be a horse.
 
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