How to Fix a Paintball Gun That Won’t Shoot


Paintball is an exhilarating sport that brings friends and families together for fun-filled adventures. However, there’s nothing more frustrating than preparing for a paintball match, only to find that your marker won’t shoot. Don’t worry; we’ve got you covered! In this guide, we’ll walk you through the step-by-step process of troubleshooting and fixing a paintball gun that won’t shoot. Before we delve into the technicalities, remember that safety should always be your top priority when dealing with paintball guns.

Safety First: Handling Paintball Guns

Paintball guns, also known as markers, are not toys and should be treated with caution. Always assume that the marker is loaded, and never point it at anyone or anything you don’t intend to shoot. When not in use, store the paintball gun in a secure case or with the barrel plug in place.

Understanding the Components

Before attempting any fixes, it’s essential to understand the key components of your paintball gun. The primary parts include the trigger, bolt, air system, and barrel. Each plays a vital role in the marker’s firing mechanism.

Cleaning and Maintenance

Regular cleaning and maintenance are essential for keeping your paintball gun in optimal condition. Dust, debris, and paint residue can accumulate and affect its performance. Follow the manufacturer’s instructions to disassemble the marker and clean each component properly. Always use recommended lubricants to keep the marker’s moving parts functioning smoothly.

Inspecting the Air Source

The air source, usually a CO2 or compressed air tank, is responsible for propelling the paintballs. Check the tank for any leaks, and ensure it’s securely connected to the marker. Replace O-rings if necessary, as damaged O-rings can lead to air leakage.

Troubleshooting the Bolt

The bolt is responsible for loading paintballs into the marker’s chamber. If the bolt is jammed or not functioning correctly, it can prevent the marker from shooting. Lubricate the bolt regularly and make any necessary adjustments to ensure it moves freely.

Checking the Hopper and Feeding System

The hopper is the container that holds the paintballs and feeds them into the marker. Ensure the hopper is properly attached, and the ball detents are clean and functioning. Paintballs that don’t feed correctly can cause shooting issues.

Adjusting the Velocity

The velocity, measured in feet per second (fps), determines the speed at which the paintball leaves the marker. An incorrect velocity setting can lead to shooting problems. Use a chronograph to measure the velocity and adjust it within safe limits.

Examining the Barrel

A dirty or damaged barrel can affect accuracy and shooting performance. Remove any obstructions and clean the barrel regularly to maintain optimal accuracy.

Reassembling the Paintball Gun

After cleaning and troubleshooting, reassemble the paintball gun carefully, ensuring all components are correctly aligned and fitted.

Test Firing the Marker

Once reassembled, conduct a test firing to check for any improvements. If the marker still won’t shoot, continue troubleshooting.

Seeking Professional Help

If you’ve followed all the troubleshooting steps and the marker still won’t shoot, it may be time to seek assistance from a professional paintball gun technician. Trying to fix complex issues without the right knowledge can cause further damage to the marker.

Preventing Future Issues

Prevention is better than cure! To avoid future shooting problems, regularly clean and maintain your paintball gun. Store it properly in a cool, dry place, and keep it protected from extreme temperatures.


There you have it – a comprehensive guide on how to fix a paintball gun that won’t shoot. By understanding the components, performing regular maintenance, and following the troubleshooting steps, you can keep your marker in top-notch condition for your next paintball adventure. Remember, always prioritize safety, both on and off the paintball field. Happy shooting!

Troubleshooting FAQs

1. Why is my paintball gun not shooting consistently?

  • Inconsistent shooting may be due to fluctuations in velocity, paint quality, or debris in the barrel. Start by checking and adjusting the velocity.

2. Can I use regular oil to lubricate my paintball gun?

  • No, you should always use lubricants recommended by the paintball gun’s manufacturer. Regular oil may damage the marker.

3. Why is my CO2 tank leaking?

  • Leaks are often caused by damaged O-rings. Replace the O-rings, and ensure the tank is correctly connected to the marker.

4. What should I do if the paintballs are chopping inside the marker?

  • Paintballs chopping inside the marker can be caused by a dirty or damaged barrel. Clean the barrel thoroughly and replace it if needed.

5. Can I adjust the velocity myself?

  • Yes, you can adjust the velocity using the marker’s regulator. However, ensure you stay within the safe limits recommended by the manufacturer.