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robgon
05-02-2011, 8:09 PM
So I'm cleaning down my ar just now and I'm putting back all my pieces and notice my flash hider looks a little off from where it normally is positioned. I barely touch it and the thing is really loose. How tight are these suppose to be on?? Has anyone ever had this happen?

NYY
05-02-2011, 8:12 PM
tight enough for the crush washer to be flat. Just dont make it loose haha

NDFMF
05-02-2011, 8:13 PM
It should be tightened with a wrench until it's lined up with all of the exhaust cuts facing up. There should be a crush/peel washer between the flash hider and the barrel that provides the proper torque and alignment. They make a special muzzle wrench, but in reality, you can do it with any wrench that fits the nut.

Don29palms
05-02-2011, 8:16 PM
3/4 inch open end wrench.