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Old January 11, 2018, 06:35 AM   #4
Senior Member
Join Date: June 14, 2004
Location: NY State
Posts: 6,575
Marlin gave up microgroove rifling because users didn't understand the system.
Microgroove is are more sensitive to bullet hardness and bullet diameter.With the right bullet microgroove can be very accurate !!
And Watson , bring your revolver !
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