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jeepershooter · December 27, 2009, 07:39 PM

Wide base and narrow base is reference to the sight mounting dovetail area on the gas cylinder. Some are wide and some are narrow. Yes, they are interchangeable.

December 27, 2009, 07:39 PM	#4
jeepershooter Junior Member Join Date: December 24, 2009 Location: Hawaii Posts: 5	Wide base and narrow base is reference to the sight mounting dovetail area on the gas cylinder. Some are wide and some are narrow. Yes, they are interchangeable.