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Tennessee Gun Owners Forums
Muzzleloader
Trigger help on CVA percussion lock
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<blockquote data-quote="Wobblyshot1" data-source="post: 4678255" data-attributes="member: 9066"><p>Let me back up and start all over...When the lock is off the gun does it function as it should? It is suppose to operate freely in the mortise as well. Some of these older CVA locks have an adjustment screw on the top of the tumbler. By screwing it in, the sear is pushed out closer to the edge of the full chocolate chip cookie notch allowing the set trigger to kick the sear out more easily. If your lock has this feature give this a look. As Smo said, there may be some contact with wood especially when the lock bolt is snugged up. One thing you can check is the possibility that the sear arm is bottoming out in the hole it goes in. Carefully relieve anyplace there may be contact with the moving parts.</p><p></p><p></p><p>Now for the trigger...The CVA Hawken trigger is of the double leaf type. In other words, you should be able to fire the gun with triggers set or unset. Operate them out of the stock checking their proper functioning. After this, make sure the screw holding the spring down is tight. The end of the spring when the triggers are not set should not make full contact. The rear trigger must have a little wiggle room but not too much. Without that wiggle room you may not be able to full chocolate chip cookie the lock without setting the trigger first. If too much wiggle the spring may not be applying enough pressure for it to push the sear out of the notch in the tumbler. I think there is a small screw through the lock plate that contacts the underside of the spring. It can tightened or loosened as needed for proper tension. You'll just have to play around with this until it works to your satisfaction. Here again make sure there it no contact with wood for the moving parts.</p><p></p><p></p><p>Inletting the lock deeper would be a last resort thing. Hope this helps.</p></blockquote><p></p>
[QUOTE="Wobblyshot1, post: 4678255, member: 9066"] Let me back up and start all over...When the lock is off the gun does it function as it should? It is suppose to operate freely in the mortise as well. Some of these older CVA locks have an adjustment screw on the top of the tumbler. By screwing it in, the sear is pushed out closer to the edge of the full chocolate chip cookie notch allowing the set trigger to kick the sear out more easily. If your lock has this feature give this a look. As Smo said, there may be some contact with wood especially when the lock bolt is snugged up. One thing you can check is the possibility that the sear arm is bottoming out in the hole it goes in. Carefully relieve anyplace there may be contact with the moving parts. Now for the trigger...The CVA Hawken trigger is of the double leaf type. In other words, you should be able to fire the gun with triggers set or unset. Operate them out of the stock checking their proper functioning. After this, make sure the screw holding the spring down is tight. The end of the spring when the triggers are not set should not make full contact. The rear trigger must have a little wiggle room but not too much. Without that wiggle room you may not be able to full chocolate chip cookie the lock without setting the trigger first. If too much wiggle the spring may not be applying enough pressure for it to push the sear out of the notch in the tumbler. I think there is a small screw through the lock plate that contacts the underside of the spring. It can tightened or loosened as needed for proper tension. You'll just have to play around with this until it works to your satisfaction. Here again make sure there it no contact with wood for the moving parts. Inletting the lock deeper would be a last resort thing. Hope this helps. [/QUOTE]
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Tennessee Gun Owners Forums
Muzzleloader
Trigger help on CVA percussion lock
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