I got this cylinder in a box o' stuff, and have no idea what it is for. It is marked "Cal. .22 Mag" and "-HWM-" on the cylinder, and there is a small illegible proof mark on the rear.
It is not for a Ruger Single-Six - the one in the pic on the right is a Single-Six cylinder for comparison.
Any guesses?


It is not for a Ruger Single-Six - the one in the pic on the right is a Single-Six cylinder for comparison.
Any guesses?



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