CVA Big Bore mountain rifle lock issues

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Joined
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I recently started having issues with the lock not striking the caps hard enough to fire. These are the new CCI caps but I'm not having issues with them in my Traditions or my TC Hawken. Wondering if I can buy a stronger main spring?
 
Weak springs are notoriously soft for the CVA and Traditions Rifles. Part of the problem could be the nipple which may have mushroomed a bit. A simple fix could be the replacement of the nipple or just a brief touch up with a file. A small wood wedge can be slipped in at the vee of the mainspring to add a bit more tension to the spring.
 
Traditions main springs are far from weak. Cva you can remove with a simple pair of pliers.
 
Weak springs are notoriously soft for the CVA and Traditions Rifles. Part of the problem could be the nipple which may have mushroomed a bit. A simple fix could be the replacement of the nipple or just a brief touch up with a file. A small wood wedge can be slipped in at the vee of the mainspring to add a bit more tension to the spring.

^^^ Try that first. Also check the cup of the hammer that there are no spent caps stuck in there.
 
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