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Old February 6, 2013, 02:26 PM   #4
Join Date: August 23, 2006
Location: Los Angeles, CA
Posts: 53
Threading the barrel is easy, but swapping front sight bases is more involved.
Is your new front sight base un-drilled?
That makes it easier.

The issue is that there is no standard location for the pin holes.
When a barrel is made, they pin the fsb on to it while it is all fixtured up.
Then they never take it apart again.

I specialize in AR work and can do everything you are looking for, but I would not take a front sight base swap to most gunsmiths as they will not have a specific fixture to ensure that the job is done right...

Last edited by AR15barrels; February 7, 2013 at 02:15 AM.
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