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barrel dimpling

Duce, u can do it urself very easily. On the other hand, I've always just used a drop of blue loctite and have never had a single problem.
It's not hard. But having the correct jig ensures that gas port alignment will be perfect. If you drill the dimple off center, the gas block will align itself to the dimple.
 
It's not hard. But having the correct jig ensures that gas port alignment will be perfect. If you drill the dimple off center, the gas block will align itself to the dimple.
As long as u start with a spring loaded punch to give the drill bit something to center on, this helps a lot. Of course having the punch "marks" in the correct spots helps too. LOL
 
As long as u start with a spring loaded punch to give the drill bit something to center on, this helps a lot. Of course having the punch "marks" in the correct spots helps too. LOL
That's sort of my point. The jig aligns itself on the gas port and indexes the dimple exactly opposite of the port. No guessing or MK1 eyeballing required.
 
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