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The barrel has some play in the frame of my MkII.

What's the best way to tighten the barrel fit in the frame?
Ruger flattens the front lug pocket in the barrel, I have done this on several, it works great, just go slow & test fit before peening it more

do a seach for loose barrel here, or the 22/45 section, there is a photo of where to peen the barrel
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