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pabuckslayer08 · March 1, 2011, 09:31 PM

I dont know the difference but check the diameter, its on the tube somewhere in little print. Should read somewhere from .660 to .680 I would guess. Thats probably the difference

Have a look at this diagram, it tells you everything you need, the diameters are slightly different with each
http://www.truglosights.com/images/C...be%20Chart.pdf

March 1, 2011, 09:31 PM	#2
pabuckslayer08 Senior Member Join Date: December 18, 2010 Location: South Central Pa Posts: 692	I dont know the difference but check the diameter, its on the tube somewhere in little print. Should read somewhere from .660 to .680 I would guess. Thats probably the difference Have a look at this diagram, it tells you everything you need, the diameters are slightly different with each http://www.truglosights.com/images/C...be%20Chart.pdf