Powerfisher

I will not say that is a common problem, but it can happen. My suggestion is to contact TC - they will ask you to mail it in for repair, which is not to bad because they go completely over the gun.

If you look in side the trigger asembly when it is down you will see a long square type nut. The nut can be turned to adjust the length of throw - which cause the breech block to lock.

You could look at this thread and it will give you an idea of what needs to be done...

http://www.modernmuzzleloader.com/phpBB/viewtopic.php?t=11690

If you are not a memeber of MM it will take a day to get approved. I was able to copy it and move it here...



All pictures and description courtesy of paia with instruction from fisher2072.

1 - "Take the trigger assembly off the barrel
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2 - This pic shows the pin you want to push through, and note that you want to push it from this side. Also do not push it all the way through. I used a small brass punch and hammer to drive it .
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3 - This pic shows the nut we are getting at by unpinning the trigger guard.
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4 - This shows the trigger guard unpinned and that nut out of the trigger assembly. Note that the pin (just above the nut)has not been driven completely out. Only push it far enough through to free the nut and trigger guard.
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5 - This shows why the pin needs to stay in the trigger assembly --it is retaining the trigger spring. If you push the pin too far, or from the other direction (like I did in my first attempt tonight )you release this spring and it's kind of a pain to get back, but not too bad.
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6 - Shows the trigger guard and that nut. The nut is pretty loose and easy to turn and when I first pushed the pin out in the wrong direction and released that spring, the trigger guard fell to the floor and the nut moved so I had no idea where to start with my attempt to tighten my action's lock up. I went the wrong way first and then over corrected and got it too tight... But after a couple attempts I had it.
6 -

You want to turn the nut "out,"away from the trigger guard and towards the hole at the end of that little "shaft." It won't take much--just turn one or two flats on the nut, 1/6th or 1/3rd of a turn, then reassemble and see if your lock up is tight enough.

Even with my initial screw ups the whole thing did not take an hour."