Why does my Paintball Gun Rapid Fire?

An issue which is common among every player is that paintball gun rapid fire or double firing. I have seen many paintball related forums with threads unanswered for this specific question. The main reason is that it is a little complicated topic to explain.

Forum Paintball Gun Rapid Fire
Forum Paintball Gun Rapid Fire

A rapid-fire or double fire issue can happen due to an issue with anyone part among ball detent, sear, bolt, and O-rings. Marker firing two paintballs with one trigger then the issue is with your ball detent. Two quick-firing for a single trigger then the issue is with your sear or rear bolt.

Since the main motive of this blog is to help all paintball players with solutions to every question they have in their mind. Thus, I decided to collect some data to write a brief solution to this issue. By spending two days reading some expert suggestions and research papers related to paintball, I could finally figure out some reasons for rapid fire issue with paintball markers.

Frequently Asked Questions

What are the different types of rapid fire or double fire?

Rapid fire or double fire can occur in two ways, either firing two paintballs with one trigger or firing quickly in two times a row (firing only one ball).

How long does it to take to fix rapid fire?

If you follow the instructions provided in this article, it will take only a maximum one hour. Provided that you have all types of equipment ready before you start.

Quick Insight – This post will discuss two different types of paintball gun rapid fire and help you to identify the issue with your marker which results in rapid firing. Following it, the post explains detailed steps to repair or replace parts associated with the issue. With this post, you can identify and fix any issues which result in rapid fire or double fire issue.

Steps to identify the issue

As I mentioned in the previous paragraph, there are two different ways in which double firing can occur. Follow these steps

  • Take your gun to a vacant and safe area
  • Now fire your gun one time
  • Check how many balls are fired in single fire

Firing two balls for a single trigger

You might we wondering now, how could your marker fire two balls at a time. Firing two balls continuously at one target is wasting your balls. Thus, you need to immediately fix this issue by replacing your ball detent.

Paintball Gun Rapid Fire

How to fix a ball detent

One of the most basic maintenance is you can perform is to replace the ball detent. You’re gonna replace a ball detent which is a little orange piece, you would replace this if paintballs are falling out of your barrel without you pulling the trigger.

I am using a Tippmann 98 custom platinum series for this demostartion.

  • First, get a key which is suitable for your screw size
  • Remove all the screws using the key
  • Make sure you didn’t leave any screws unremoved
  • Remove the back side cover first
  • Most of the times the sear will kind of pop out of its position or the spring at least.
  • Put that back the way it’s supposed to go.
  • Pull off the receiver part (The front part)
  • You may see how is the inside of your gun
  • Left side below the front bolt you will see a slot that looks like it’s made perfectly for the ball detent.
  • This is the slot were you going to place the new ball detent
  • Hold the ball detent with some pressure so that you can place it on the slot below the front bolt
  • Some times, it may rip off from the slot, so try few more times until you successfully place it.
  • Let it sink into the slot and so now it’s in there you see it’s depressed by the front bolt.
  • Next, make sure everything’s back the way it is supposed to be everything’s in there right.
  • Put back the cover on the receiver front first and then the rear
  • Place the screws back in their respective slot and tight them.
  • You have successfully replaced the ball detent.

Test your fix

Now that you have replaced the ball detent lets test your gun to make sure that the ball does not fall off.

  • Attach the paintball hopper
  • Fill it with some balls
  • Cock your gun and fire
  • Check whether double firing is happening or not.
  • Next, hold your gun vertically down.
  • Check any balls falling of it.
  • If both the cases are fine, then you are all set to go.

Most of the time, replacing a ball detent will fix this issue.

Reference Video

Firing a single ball with two quick shots

If your marker is making two quick shots for a single trigger and is firing only one ball, then there might be some problem with your sear or rear bolt (hammer).

What is a paintball marker sear?

A paintball marker sear is a part which holds the rear bolt or hammer back its resting position after it is fired. A rear bolt will be released by sear when you trigger the fire.

What is a paintball hammer ?

A hammer is also known as the rear bolt is a part which performs the firing action inside a paintball marker. A hammer plays a vital part in the functioning of a marker.

Ideally, a sear is supposed to catch and hold the bold back after a successful fire. In the case of worn sear, it will not happen which may lead to rapid fire.

A worn sear can wear a good working bolt too, thus it is always advisable to replace both sear and bolt in such cases.

How to fix a worn sear and rear bolt

  • First, get a key which is suitable for your screw size
  • Remove all the screws using the key
  • Make sure you didn’t leave any screws unremoved
  • Remove the back side cover first
  • Most of the times the sear will kind of pop out of its position or the spring at least.
  • Remove the sear out from its socket
  • Then remove the rear bolt which will be attached to the front bolt.
  • Carefully replace the bolt with a new one by inserting the springs and o-rings as it was with the old one.
  • Place the bolt inside its socket.
  • Now replace the sear with a new one.
  • Make sure sear is properly placed in the socket on the bottom of the rear bolt.
  • Next, make sure everything’s back the way it is supposed to be everything’s in there right.
  • Put back the cover on the receiver front first and then the rear.
  • Place the screws back in their respective slot and tight them.

Test your fix

Now that you have replaced the sear and rear bolt lets test your gun to make sure that the gun does not fire twice.

  • Attach the paintball hopper
  • Fill it with some balls
  • Cock your gun and fire
  • Check whether double firing is happening or not.
  • If it’s not firing only once, then your gun is ready for the game.

Additional Tips

In case, if you still face the paintball gun rapid fire issue, then there is a chance that O-rings are too lubed. In such case follow the below steps.

What is an O-ring?

O-rings are round or O shaped rings which are used to cover the excess space inside a paintball marker. It is used in multiple places.

How to fix a excess lube

  • First, get a key which is suitable for your screw size
  • Remove all the screws using the key
  • Make sure you didn’t leave any screws unremoved
  • Remove the back side cover first
  • Most of the times the sear will kind of pop out of its position or the spring at least.
  • Remove every part.
  • Check all O-rings are fine and nothing is worn.
  • Use a dry cloth and remove excess lube inside your gun.
  • Next, make sure everything’s back the way it is supposed to be everything’s in there right.
  • Put back the cover on the receiver front first and then the rear.
  • Place the screws back in their respective slot and tight them.

Most of the time, the above steps will fix rapid fire issue.

Conclusion

A paintball gun rapid fire issue can happen due to an issue with anyone part among ball detent, sear, bolt, and O-rings. The steps instructed in this post will help to fix the issue in most of the case.

Did this article helped you to fix your gun?

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