Anyone get the bantam sniper in 22?

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How is the breech edge of the barrel? The problem with the prior version, was that the breech end of the barrel was a sharp edge and damaged the pellets when shot out of the magazine. You can tell this with lead shavings on the magazine ledge. Crowning the breech end solved some of the problem, but I suspect that there is another sharp edge on the rifling, just past the transfer port in the barrel. 

Disappointed to see no slingshot hammer, though. 

Dan