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Old September 4, 2010, 08:51 PM   #3
Senior Member
Join Date: December 24, 2009
Location: Overgaard, AZ USA
Posts: 153
If you use a carbine barrel(16"), then the gas port is approx 8.25". so no reason to re-locate it for a 10.5". Maybe enlarge it some.
Jerry W.
NRA Instructor: Pistol, Home Safety, Personal Protection, RSO, Reloading.
NRA Life Member, NRA-ILA Sustaining Member, AZ CCW training org. & instructor, AZ HE instructor. FFL-07, NFA SOT-C2.
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