TargetShooting Canada

Re: Two Stage Trigger

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Posted by David Levene ( on February 21, 2007 at 02:25:52:

In Reply to: Re: Two Stage Trigger posted by Rob on February 20, 2007 at 18:03:57:

: Standard pistol FAS 607.

On the 607, unless you have changed the grips, you will have 2 small holes in the back through which you can adjust the hammer/trigger unit.

The pistol was designed to have free play, long 1st stage and crisp 2nd stage.

The first thing to check is that you have got a 2nd stage, however course. If you haven't then you nedd to put a small Allen key through the top hole and turn the screw anti-clockwise a quarter turn at a time until the 2nd stage appears.

Once you have a 2nd stage then you need to turn the screw clockwise 1/8 turn at a time until the 2nd stage disappears. Now turn it anti-clockwise 1/16 turn at a time until it appears again. Now 1/32 clockwise until it disapears again.

Keep doing this backward/forward procedure, with reducing screw movements, until you have got a second stage that is light and extremely crisp. The final adjusments will be made with such small movements that you will only be able to feel them by holding the long leg of the key and having the short leg in the screw.

In the majority of cases, unless you are extremely unlucky, you will find that you will feel a "dip" just before the trigger goes off. To describe this dip, imagine you are pushing a ball up a hill(that is the first stage). Half way up the hill is a single brick high wall (that is the second stage). The trigger goes off when the ball is on top of the wall. Just in front of the wall is a very shallow dip. You push the ball up the hill and just as you reach the wall the ball sits down into the dip. If you stop holding the ball then it will come out of the dip and roll back down hill. If you keep holding the ball in the dip then you just need to apply a little bit more pressure to get it onto the wall.

I hope this helps.

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