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Old September 11, 2018, 10:21   #1
JoeLad
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Drill size for gas tube retention pin hole?

I traded for a carbine FAL a couple months back. It was covered in OD green paint. An Imbel kit, on an Imbel upper. While stripping off the paint, I could not remove the gas tube. I wrenched it off, damaging it in the process. I found a replacement tube online, and it would not thread in. Closer inspection revealed a burrr where the retention pin fits.

Anyone know what size drill bit is needed to clear out the hole?

Worst case scenario is I replace the GB.
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Old September 11, 2018, 11:42   #2
gunplumber
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Pin is .078" 5/64"
I would go a step down to #48 or #49 because I don't want to risk making the hole any bigger than pin.
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Old September 11, 2018, 14:00   #3
JoeLad
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Thanks, GP!
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