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CZ coach gun firing problem


Jan Hawkins
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I have a CZ coach gun with a firing problem. Trying to figure out this issue. When I fire the first barrel the firing pin for the second barrel indents the primer on the second shell but does not allow me to shoot the second barrel. I have taken apart and cleaned the internal parts. Nothing seems to help. Anyone had this issue? Thanks 

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I would look at the small spring that fits on top of the left cam that has the sear cut into it. It sounds like it has been made weaker by someone "tunning" the gun, and the hammer is falling off when the right barrel fires.

Edited by Snakebite
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It would be my guess that the second barrel is not cocking and firing the first barrel gives enough recoil to overcome the return spring on the second firing pin, thus marking the primer on the second barrel.

When dry firing, do both hammers fall?

J.M

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The left side is falling off the sear during recoil. Put a stronger little spring at the top of the cam.

Edited by Snakebite
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