Will the Davis trigger replacement fit the Lyman Trade rifle, or will it only work for on double trigger locks?
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Will the Davis deer slayer fit?
- Thread starter William O.
- Start date
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Since no one here appears to have any experience with it, I'd send Davis an email. In the past they've been real quick to respond when I sent them compatibility questions.
I don't know if you are familiar with the 'fly' that's needed in the lock for double set triggers to work but basically it is a very small little thing that is located at the half cock notch.
One of it's jobs is to get out of the way of the sears nose when the hammer is being raised from the fired position and to allow the sears nose to enter the half cock notch.
When the hammer is raised above the half cock position the sears nose rides up over the 'fly' and engages the full cock notch.
When the set trigger knocks the sear out of the full cock notch the tumbler and hammer begin to rotate towards the fired position but the set trigger is no longer holding the sear away from the side of the tumbler. That means the nose of the sear will try to enter the half cock notch when it gets to it.
Now, comes the important part of the flys job.
It covers up part of the half cock notch so when the sear gets to it it hits the fly.
The fly deflects the nose of the sear over the half cock notch which allows the hammer to continue to fall to the fired position.
To check your lock to see if it has a 'fly' first make sure the gun is unloaded. Then, raise the hammer to the full cock position.
Put your thumb on the hammer to keep it from falling and pull the trigger just enough to release it from the full cock position.
Now, while holding the hammer just below the full cock position, release the trigger.
Allow the hammer to lower at a medium speed.
If the hammer stops at the half cock position, your lock does NOT have a fly in it.
If the hammer continues to fall to the fired position (sometimes with a slight hesitation as the sear jumps over the half cock notch) your lock has a 'fly' and a will work with a set trigger.
One of it's jobs is to get out of the way of the sears nose when the hammer is being raised from the fired position and to allow the sears nose to enter the half cock notch.
When the hammer is raised above the half cock position the sears nose rides up over the 'fly' and engages the full cock notch.
When the set trigger knocks the sear out of the full cock notch the tumbler and hammer begin to rotate towards the fired position but the set trigger is no longer holding the sear away from the side of the tumbler. That means the nose of the sear will try to enter the half cock notch when it gets to it.
Now, comes the important part of the flys job.
It covers up part of the half cock notch so when the sear gets to it it hits the fly.
The fly deflects the nose of the sear over the half cock notch which allows the hammer to continue to fall to the fired position.
To check your lock to see if it has a 'fly' first make sure the gun is unloaded. Then, raise the hammer to the full cock position.
Put your thumb on the hammer to keep it from falling and pull the trigger just enough to release it from the full cock position.
Now, while holding the hammer just below the full cock position, release the trigger.
Allow the hammer to lower at a medium speed.
If the hammer stops at the half cock position, your lock does NOT have a fly in it.
If the hammer continues to fall to the fired position (sometimes with a slight hesitation as the sear jumps over the half cock notch) your lock has a 'fly' and a will work with a set trigger.
Okay, it appears that my TR does have a fly, even though it has only a single trigger.
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