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Old 06-19-2009, 12:15 AM
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fredieusa fredieusa is offline
Join Date: Mar 2008
Location: Contra Costa County
Posts: 433
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Rear Site Base / RSB

Square it up, just as we did the trunion for the barrel retaining pin.
Use cutting oil liberally. Drill.

Take a moment and check AGAIN for cant (Gas Block and Front Site base). You want to be certain this time around for obvious reasons..

Note reference points for the Gas Block and adjust so the drill is equidistant from the drill when held vertical and parallel.

Drill both holes. Use cutting oil liberally. Insert the pins as we go along.

For the Front Site Base - Take reference points and adjust. Drill and pin.

Last edited by fredieusa; 07-08-2009 at 12:07 AM..
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