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gasol1ne
09-09-2010, 6:38 PM
I have a button rifled daniel defense 16 inch barrel and the gas port is too small (its smaller than a 1/16 drill bit). What size do you guys recommend i enlarge the gas port out to? :o

G-forceJunkie
09-09-2010, 7:59 PM
I think .063" is typical.

ar15barrels
09-11-2010, 9:09 PM
I don't recommend you open it up.
It should be perfect between 0.050" and 0.055"