Originally Posted by
Speedrat1
Bennybone.....
the thread is getting off into a lot of side lanes and no one brought this back up so I will......
In your original post you stated you trimmed the front base screw and left the other 3 alone? If that is correct then you didn't trim the correct screw, it's the second from the front that will interfere with the bolt lug if the screw is too long. The front screw, if too long, will sometimes damage the barrel thread. If the screw is interfering (second one) you can usually see a little marring on the OD of the lug, take a look.
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