I agree and I've done that, too. Worked out great for me. :cool:
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I think he is working on this project: https://www.m4carbine.net/showthread...nt-sight-block
Thanks for the advice.
There are very few places you can ship a barrel and fsb and say, "drill holes through my barrel, pin this on and make sure it's perfectly straight".
And they'll probably tell you they'll try for a price but the result, ruined barrel, perfect job, or canted sight, is your problem and no refunds.
...but I repeat myself. Again...
I believe OP wants a 20” even though it wasnt specified in this thread.
Emphasis mine. Only way to know is to ask.
As for OP, i believe it depends on lathe, though you could remove fsb, but keep profile under it same for reinstall of same fsb with new taper pins.
I'm sorry, yes, I'd like a 20 inch barrel.