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A5 & X7 Hair Pin Trigger Kit Installation Instructions

The A5 Hair Pin Trigger Kit is designed to make the trigger of any A5 and X7 faster to respond to a trigger pull, require less force to release the hammer, and make the over all feel of the trigger much snappier.

Basically we are replacing the pins in the trigger mechanism to reduce the amount of contact there is between the sear and hammer, and reduce the amount of movement that the trigger has. Together these attributes allow for higher rates of fire and a more response trigger.

With the A5 or X7 as you can see in this image, we replace the "Trigger Stop Pin" with either a .145 or .155 pin, and the "Bottom Sear Stop Pin" with either the .165, .175 or .185 pins.

If you go too large with the "Trigger Stop Pin" the trigger will either not actuate the hammer or not rest the trigger with each shot.

If you go too large on the "Bottom Sear Stop Pin" the gun will go into out of control "full auto" mode. Not good.

So in efforts of to set this up correctly there is a certain order you must do these modifications. To REALLY fine tune the setup, it may require that you change out the pins a few times.....but with patience....you'll find the perfect set-up.

1. Remove gas and paint from your marker.

2. Remove the pins that hold the trigger frame to the marker.

3. Remove the safety so that you can pull out the trigger mechanism.

4. Pull out the trigger mechanism

5. Pull off the left hand side plate so that your trigger mechanism looks like the image above.

6. Remove your "Bottom Sear Stop Pin" and replace it with one from the kit. Now at this point you have options. You can either put the largest one in or the smallest. Its up to you. I like to start at the biggest. Most guns can handle it....but it will put more stress on your sear. Meaning...it could wear out your sear and hammer sooner .....perhaps not though.

7. Put everything back together and test fire the marker. Now I know that we only put one pin in at this point, but that's because we want to fine tune the sear and hammer contact before we start limiting the trigger movement.

8. Plug up your barrel for safety and noise reduction, air up the marker with NO PAINT, and try to fire. Keep in mind that your marker could go full auto here....so be ready to grab your cocking handle to stop the marker if that happens.

9. If you marker goes full auto, pull it back apart and use the next size down and retest. If it shoots normally, you could potentially go up a size if there is one.

10. If the marker shot fine and you are happy with your sear pin selection, now we can try to limit the trigger travel. If you have a trigger like our Fang Trigger that has set screws to limit the trigger movement, you may not need the trigger stop pin. If your trigger does not have set screws then you will probably want to replace the pin with one from this kit.

11. To do this, remove your air and paint from the barrel and marker. Pull out your trigger mechanism again. Remove the stock trigger stop pin, and replace it with the smallest pin in the kit. Again...you could start bigger than that....but I have found that the .145 works on most all guns, and the .155 works on some guns here. I couldn't get the .165 to work on my markers, but yours could be different. Basically, if you replace the pin and the gun fires, you could potentially go up a size, if it won't fire....you need to go down a size here. Its really trial and error to see what works best with your marker. With all little time and patience ...you'll have a sweet trigger pull.

12. If you are using a egrip, you might be able to reduce your dwell by some number. Again ...trial and error here. Each gun is different. to fine tune your dwell just go out and play with your normal dwell setting. Then after each game you play with no sear release issues, lower your dwell by one adjustment. Go play another game. If you marker continued to fire normally, after the game adjust it down one more adjustment. Continue to do this until the marker has trouble shooting because the dwell is so low. If the dwell is too low the when you pull the trigger the gun will not fire. This is because the solenoid is not being activated for a long enough amount of time....so up your dwell by one or two. To help future players let me know what pins and setting worked best for you. Ill post them here. Please email them to me at todd@techtpaintball.com

 

If you feel like I left something out or stated something that you don't understand please let me know.

Thanks Guys,
Todd


TechT

 

 
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