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Gas bushing.....

1404 Views 9 Replies 7 Participants Last post by  Uncle Ethan
How much and where do you get them? :ar15:
1 - 2 of 10 Posts
with a 20" barrel, will I need to work on the gas system?? Thks
I'm using dimensions from another thread on this forum. Probably .720 or .750 diameter- not sure yet about diameter under gas block. Thks
1 - 2 of 10 Posts
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