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lefty o · 03-11-2008, 06:36 PM

mine is the 4 port version, my brothers is a hybrid job done on a jarvis barrel. his has i believe 5 ports, as a side note his ports are much larger. on your 40, the porting should be somewhat more effective than mine is.

03-11-2008, 06:36 PM	#9
lefty o Senior Member Join Date: Mar 2002 Location: mn Posts: 4,543	mine is the 4 port version, my brothers is a hybrid job done on a jarvis barrel. his has i believe 5 ports, as a side note his ports are much larger. on your 40, the porting should be somewhat more effective than mine is.