Originally Posted by
SHIVAN
What method ensures proper gas port to gas block alignment? Assuming no pins are present, how do YOU ensure that you have aligned the gas block to the gas port?
I usually trust that the gas tube and gas tube hole should get me "close enough" if lined up properly, but I suppose you could be a millimeter out and never know it...
So how do the "pros" do it? Is there a tool? A feeler gauge? Something more precise than the method I use??
I'm far from a pro.
But what I do is mic the gas port to the shoulder, then mic the gas block to make sure it'll be over the port. I then mark the barrel and the block and then counter sink where the set screws will go so the gas block can't walk forward. Then upon final assembly I use Rocksett to keep them from coming loose during operation. This method seems to work well so far. The gas port in the gas block is usually quite a bit bigger than the port in the barrel so even if it's a degree or 2 off it'll still work.
Chief Armorer for Elite Shooting Sports in Manassas VA
Chief Armorer for Corp Arms (FFL 07-08/SOT 02)
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