Quote:
Originally Posted by kgoerz
About a year ago we received eight AR Upper Receivers. Because of a blunder we received 16" Uppers and not the 10.5" Uppers. They have been sitting in the Box ever since.
I am asking is it feasible to have these cut down to 10.5". I already have the Legal aspects covered. All of our Lowers are registered as SBR"S.
1. Will these perform as well as a 10.5" out of the Factory, after being cut?
2. Doe's anyone know a Company/Gunsmith who can do this?
3. We would also need the Barrel threaded to attach the original Bird Cage Flash Suppressor.
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Yes and no.
You cannot just cut the barrels to 10.5", rethread to 1/2-28, and expect the guns to run properly. The pressure, timing, dwell time, impulse, etc. are all different.
A good gunsmith could cut the barrels, rethread them, change the gas port size, check the extraction, add a heavier buffer, etc.
It is possible that they will run without any tweaking, but I would say that it is unlikely to be reliable.
Given the machining and 'smithing costs, it might be more economical to order 10.5" uppers or barrels and swap them out, and sell the 16"ers.
Your call though.
TR