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Airsoft Guns Ammos, BB's & Gas Accessories Tactical Gear Clothing Parts & Upgrades Kids Zone
Airsoft Guns Ammos, BB's & Gas Accessories Airsoft Tactical Gear Clothing Parts & Upgrades Kids Zone

Airsoft Parts & Upgrades

Create your ideal Airsoft Gun with our extensive range of both internal and external parts and upgrades.

Replacement Airsoft Parts, Spares & Upgrades

Whether you’re looking to replace a worn part on your favourite gun or create your ultimate bespoke loadout – you can find everything you need in our collection of Airsoft Gun Parts, Spares & Upgrades!

Not sure what you’re doing when it comes to upgrading your airsoft gun? No problem! Our Airsoft experts are on hand to advise you on the changes you could make and how to do it. Simply contact us or pop into our store for a hands-on trial.

Our wide range of parts and upgrades includes everything you’d need to build exactly what you’re looking for, including Electric Internals, Gas Parts, General Parts, High Pressure Air, Spring Parts, and much much more!

Airsoft Upgrades

Our selection of upgrades is available for a wide range of airsoft gun types including pistols, rifles, snipers, AEGs, and more, all made by the top names in Airsoft!

How do I upgrade my Airsoft Gun?

Upgrading an airsoft gun can enhance its performance, accuracy, range, and overall functionality. Here are some general steps to guide you through the process:

Research & Planning

Determine your goals</strong
Decide what aspects of your airsoft gun you want to improve. It could be increasing FPS (feet per second), range, accuracy, trigger response, or upgrading internal components for durability.

Research upgrades
Look for compatible upgrade parts, such as barrels, hop-up units, buckings, motors, gears, pistons, and springs. Read reviews, seek advice from experienced players, and consider the specific requirements of your gun model.


Ensure safety
Before starting any modifications, make sure your airsoft gun is unloaded and the battery is disconnected.

Follow the manufacturer’s instructions
Disassemble your gun carefully, referring to the user manual or online tutorials specific to your model. Take note of the order in which parts are removed to ensure proper reassembly.

Internal Upgrades

Hop-up and barrel
Upgrading the hop-up unit and barrel can significantly improve accuracy and range. Consider a high-quality precision barrel and a hop-up unit that allows for fine adjustment.

Gearbox components
Upgrade gears, motor, piston, cylinder, spring guide, and other gearbox components to improve durability, trigger response, and FPS. Ensure compatibility and consider the desired power output.

Electrical upgrades
Replace the wiring, connectors, and switch assembly to improve electrical flow and prevent any potential issues.

External Upgrades

Stock and grips
Upgrade the stock or grips for better ergonomics and comfort.

Rail systems
Install rail systems or handguards to attach accessories like optics, foregrips, and flashlights.

Outer barrel and muzzle devices
Swap out the outer barrel or muzzle device to change the appearance or add functionality such as a mock suppressor.

Reassembly and Testing

Carefully reassemble your airsoft gun
Follow the reverse order or disassembly to ensure all components fit properly and securely.

Test the functionality
Before field use, test your gun’s functionality, such as the trigger response, cycling, and FPS. Make any necessary adjustments or repairs.

Maintenance and Upkeep

Regular cleaning
Clean your airsoft gun after each use to prevent dirt or debris from affecting its performance. Follow the manufacturer’s instructions for maintenance.

Apply appropriate lubrication to moving parts to maintain smooth operation and reduce wear and tear.

Battery Care
Follow proper battery charging and storage practices to maximise its lifespan and prevent damage.

Why should I upgrade my airsoft gun?

Upgrading your AEG (Automatic Electric Gun) airsoft gun can provide several benefits, depending on the specific upgrades you choose and the quality of the parts used. Here are some common benefits you can expect:

Increased Performance

Higher FPS (Feet per Second)- Upgrading components like the spring, piston, and cylinder can increase the muzzle velocity of your gun, resulting in greater range and accuracy.

Improved Rate of Fire – Upgrading the motor, gears, and electrical components can enhance the gun’s rate of fire, allowing for faster and more efficient shooting.

Enhanced Accuracy & Range

Hop-Up Upgrade – Upgrading the hop-up unit, bucking, and inner barrel can improve the consistency and effectiveness of the backspin applied to the BB, resulting in increased accuracy and range.

Tightbore Barrel – Installing a precision inner barrel with a smaller diameter (commonly known as a tightbore barrel) can provide better air seal and increased accuracy.

Better Trigger Response

Motor & Gear Upgrades – Upgrading to a high-torque motor and reinforced gears can improve the trigger response, reducing delay and providing a snappier shooting experience.

Low-Resistance Wiring – Replacing the stock wiring with high-quality, low-resistance wiring can enhance electrical flow, resulting in faster trigger response.

Increased Durability

Reinforced Internals – Upgrading internal components like gears, pistons, and spring guides to more durable and reinforced versions can improve the longevity and reliability of your gun.

Gearbox Shell – Installing a stronger gearbox shell, such as a reinforced metal version, can prevent cracking or warping during high-stress situations.

Customisation & Personalisation

External Upgrades – Upgrading external components like stocks, handguards, rails, and muzzle devices can enhance the aesthetics and functionality of your airsoft gun, allowing you to customize it to your preferences.

Accessory Compatibility – Upgrading your gun with additional rail systems and attachments can provide more options for adding optics, foregrips, flashlights, and other accessories.

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Why choose Urban Airsoft UK

Price Match Policy

Here at Urban Airsoft Mega Store, We guarantee to try and match any like-for-like price on any product shown on our online store, subject to T&C's.

Expert Gun Servicing

Our on site tech guy The Airsoft Doctor offers custom upgrades, professional repair and servicing, two tone and camo paint jobs.

Next Day Delivery

We aim to SHIP your purchase within 2 business days, usually less. If this is not possible, we will contact you as soon as we can.

Two Tone Service

Our professional two tone service usually takes up to 3 working days, the spray will cover 51% of the replica.