It's your usual gas tube. It comes with a pin and fits perfectly. And it's shipped extremely fast by BCM. What's not to like?
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6 of 7 people found the following review helpful:
nice part
September 22, 2011
Reviewer:
Zach
from Acworth, GA United States
part looks great, comes with roll pin taped to it so it doesnt get lost in shipping. Fits well in the YHM low profile gas block I bought from BCM as well.