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guy on trademe does them in allsorts of calibres,basically all the low power/pressure rimmed pistol cartridges. I got friend to turn one up but his drill bit was dodgy so its not as good as it should...

we have the .410/45 lc through a .12ga type...yip it works,yip shot goes out the end of barrel and at 15 yards it would do the job....you only have a 2 3/4" barrel to gain velocity so its not...