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Old 01-16-2013, 05:10 PM   #77
LD330XI
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Join Date: Sep 2009
Location: TCs, MN
Posts: 163
My Ride: '05 330xi
Quote:
Originally Posted by SLVR JDM View Post
errrrrr, I've never seen a lower without a serial number. The lower is the "gun" and thus, has a serial number.
80% Lowers require a little milling to make them capable of holding all of the trigger parts. That makes it a block of aluminum, not a firearm. Thus there is no serial number.
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