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I have a '40 or '41 M1 Garand. I wanted to be able to run modern .30-06 loads through it, so I got the Schuster adjustable gas plug.
I took it to the range and started with the plug pretty far out, and tightened it by a quarter turn between each shot until it cycled consistently. Yay, it's adjusted!
But when I put the set screw in and tightened it down on top of the plug, after a couple of turns it felt like the plug underneath the set screw is also rotating. This is no bueno because then I'm unnecessarily tightening the gas plug. I did ensure the allen wrench was not protruding into the plug, and was only contacting the set screw.
How do I ensure the set screw is tight enough to hold the plug and stay in place itself, but not so tight that rotating it also further tightens the plug?
I took it to the range and started with the plug pretty far out, and tightened it by a quarter turn between each shot until it cycled consistently. Yay, it's adjusted!
But when I put the set screw in and tightened it down on top of the plug, after a couple of turns it felt like the plug underneath the set screw is also rotating. This is no bueno because then I'm unnecessarily tightening the gas plug. I did ensure the allen wrench was not protruding into the plug, and was only contacting the set screw.
How do I ensure the set screw is tight enough to hold the plug and stay in place itself, but not so tight that rotating it also further tightens the plug?