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Just bevel the edge

April 18 2017 at 8:58 PM
Jason  (Login nervoustrigger)
YF12


Response to Mrod CP-1M, problem chambering pellets

If I'm interpreting your photographic markup correctly, it appears the barrel leade is not concentric with the opening in the breech, and there is a lip that is causing the pellets to hang up. I would simply apply a slight bevel to that area, or perhaps to the full perimeter in case there is a spot at the top you can't see.

But before doing that, I suggest evaluating the barrel by itself. That is, push a few pellets through to see if the leade has any issues that are causing the rough chambering. Most barrels will benefit from polishing the leade and breaking the sharp edge where the rifling begins.

 
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