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rep1954 · January 13, 2013, 09:47 PM

If it is a factory cylinder it will say 22 Magnum on the outside of the cylinder and the cylinder will not have any flutes. The 22lr cylinder is fluted. If you have a 22lr cylinder and 22 Magnums fit in it has been modified but should still be safe. If modified correctly the cylinder mouths should measure .223" diameter.

January 13, 2013, 09:47 PM	#3
rep1954 Senior Member Join Date: July 5, 2009 Location: Mid Western Michigan Posts: 1,187	If it is a factory cylinder it will say 22 Magnum on the outside of the cylinder and the cylinder will not have any flutes. The 22lr cylinder is fluted. If you have a 22lr cylinder and 22 Magnums fit in it has been modified but should still be safe. If modified correctly the cylinder mouths should measure .223" diameter. Last edited by rep1954; January 14, 2013 at 06:47 AM.