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About LinkBacksis it needed to add gun oil in these two holes on the side if the bolt carrier group?
This is a discussion on AR-15 bolt carrier lube question within the Firearm Cleaning & Maintenance forums, part of the General Firearm Discussion category; is it needed to add gun oil in these two holes on the side if the bolt carrier group?...
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is it needed to add gun oil in these two holes on the side if the bolt carrier group?
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I never have. I thought those where ejection ports for the gas to blow out?
But I could very well be wrong about that.
Don't believe what you hear and only half of what you see!
-Tony Soprano
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yep they are gas ports,when cleaning the bolt I use the firing pin to poke in the holes to make sure the holes aren't getting carboned up,just poke it in and work it back and forth a few times
"Outside of the killings, Washington has one of the lowest crime rates in the country,"
--Mayor Marion Barry, Washington , DC .
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i thought that was the gas ports too, hmm well i guess it wont hurt to put a couple drops in there and rack it a few times
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