Wheeler makes a set of roll pin punches that have a nub to fit the hole and a ledge to fit the sides. They are typically the same size punch as the hole so you shouldn’t have a problem getting it in there. Wheeler makes a set of just punches and they also make an AR toolset that has the punches that you probably need for the 15-22 plus a bunch of other handy to have stuff... worthwhile kits.


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