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new build
#10
When aligning gas blocks, I use the protrusion gauge at the end of the calipers inside the block to see where center of hole is.

Then I measure from the barrel shoulder to the gas port center. Most blocks need to be set off from the shoulder, while some will abut right up to the shoulder no problem.
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Messages In This Thread
new build - by tackdriver - 12-19-2014, 01:35 PM
new build - by am4966 - 12-19-2014, 02:28 PM
new build - by Slappy - 12-19-2014, 02:45 PM
new build - by LRRPF52 - 12-20-2014, 12:47 AM
new build - by tackdriver - 12-20-2014, 12:58 AM
new build - by Heywood - 12-20-2014, 02:58 AM
new build - by olde sarge - 12-20-2014, 04:48 AM
new build - by Heywood - 12-20-2014, 06:13 PM
new build - by tackdriver - 12-20-2014, 07:10 PM
new build - by LRRPF52 - 12-20-2014, 10:03 PM
new build - by Heywood - 12-21-2014, 04:00 AM
new build - by tackdriver - 12-21-2014, 02:45 PM

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