My blued Model 17 and two of the other folks' 617's at my clubs all have pretty tight chambers that get tight from fouling quite easily.
Very cool!I have been wanting to get these and finally got around to it. Loading block and DS-10 speed loader from the Revolver Supply Co.
Have not had them to the range yet but seems to work great in my basement
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I bought a set of chamber hones off of Amazon and honed my .22 LR, 22 WMR, .38/.357, .44 and .45 Colt revolver chambers. My S&W Model 48 and 34 chambers really needed some love, those were 4-shots-and-.stuck with any ammo I used. Now I can shoot a lot and still eject cases .My Dad lapped the chambers on my M63, and it solved this.