Uberti 1847 Walker Colt problem

I an trying to shoot my Uberti pistol but every shot the cap blows apart sending pieces into
the mechanism so I need to dig out the pieces to cycle the cylinder. (#10 cci caps)
Any idea what might be wrong?



  • navc130navc130 Member Posts: 760 ✭✭✭
    The obvious test is to try different brands of caps and try #11 size caps.  Also check the shape of the nipples.  Too much taper may cause the problem; the theory being too much flame / pressure is flowing around the nipple instead of flowing through it.
    Caps often split and fall off upon firing but I have never experienced them blowing apart into pieces.
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