1Merlin
Silver $$ Contributor
Trying a "new" barrel on my 2013 and a friend has this tuner that came on a rifle he traded into. I have very little experience with tuners but I stuck it on the barrel. I have no idea what it is or who built it. It fits the end of my 27.1" barrel perfectly. The barrel is ~1.01 in diameter. What do I have and where do I go to find info on how to tune it? Any help is appreciated.



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