Improving Crosman 2300KT and 2400KT Trigger

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I have two Crosman custom 2300KT pistols and two custom 2400KT carbines.  Despite everything else good about these custom guns, I could never get use to the trigger.  The trigger is good for close range, minute-of-tin-can accuracy but the airguns have great potential than that.

Anyway, Alchemy Airwerks has a great fix for the lightening the trigger pull by cutting a couple of coils in the sear spring.  Please hold off on doing anything until you have read a little more.  If you do not do anything else right now please read everything before you think about touching your custom Crosman 2300KT or 2400KT.

The first step is to read what Alchemy Airwerks has published.  After you have read everything else that I have said then go back and follow his instructions to the letter.  Here is the link to his trigger modification:  http://www.alchemyairwerks.com/alchemy-blog/mod-1-sear-spring-adjuster-tuning-mod#comments

After performing his modification you may run into a couple of problems.  The first is that after some repeated actuation of the trigger, the pull weight is greatly reduced more than you set it for in the beginning.  The second problem is that the gun may not cock after putting the wood grip back on the gun.  Keep reading and refer to the attached photos for remedies to these problems.

Refer to Photo 1:  You may notice, as I did that with every actuation of the trigger after the modification that the sear spring, by pressing and moving against the adjusting screw, causes it to unscrew.  This has the effect of lightening the trigger pull too much and may prevent cocking the gun.

To keep this screw from moving after I have set the desired weight, I put Loctite on the threads and let it set for 24 hours.  Then voila, the pull weight is consistent because the adjusting screw does not move anymore.

Refer to Photo 2:  If you have not already discovered this you will after reinstalling the wood grips, if you have them.  There is some flex in the plastic side plate.  When the grips are put back on the pistol you may notice that the pistol may not cock when the bolt is pulled back.

This is because of the lightened sear spring.  Prior to cutting the coils, the sear spring was strong enough to overcome the friction of the side plate pressing against it.  Now that the spring is lightened, it is too weak to overcome the pressure of the side plate against it caused by the grip being screwed onto the grip frame.  The grip is pressing against the side plate, which is pressing against the sear spring.  The remedy is in removing wood from the right grip panel.

Refer to Photo 3:  You may not be able to see it in this photo, but when you remove the wood from inside the grip, a small gap should be between the wood and the plastic side plate.  This is the area between the arrows in the photo.  The next photo shows were the wood should be removed.

Refer to Photo 4:  I used a small file to remove just enough wood to create a small gap between the wood grip and the plastic side plate.  The gap may be no more than the thickness of a piece of paper.  Take a little off at a time and test the cocking of the pistol with the grip installed.  If you can consistently cock the gun after removing a little wood then the job is done.

After you have accomplished the aforementioned procedure, just remember to let the Loctite sit for 24 hours.  The gun will then be ready to shoot.

I was able to reduce the trigger pull from 3 ½ pounds to about 2 pounds.  In addition, the grittiness and creep disappeared.