Airsoft Gun Upgrade & Maintenance Parts
Keep Your Airsoft Gun In Top Condition!
Airsoft GI has been the leading North American airsoft parts store since 2003, and here you’ll find everything you could possibly imagine for routine maintenance, emergency repairs and performance airsoft upgrades. We have the largest selection of parts and accessories for taking care of your favorite airsoft gun or rebuilding an older model. Our OEM replacement section has genuine factory airsoft parts that come directly from the manufacturer, and we have plenty of aftermarket parts as well from top brands to enhance performance and improve playability. In addition, we have an assortment of airsoft tools for sale that makes it easier to work on your gun. Choose a subcategory or browse our complete inventory below to get started.
We’ve made it simple to find exactly what you need for your airsoft gun at a price you can afford. Our OEM section allows you to select a specific manufacturer so you only see the parts that actually fit your gun. So whether you need airsoft gun parts from Elite Force, KWA, ICS, PolarStar or another manufacturer, just click the link to go to that section. Our upgrades are split into internal and external categories, and from there you can narrow down to rail sections, reinforced body pins, AEG gearboxes and numerous other options. Go to our tools and tech products subcategory to find wrenches, pin extractors, lubricants and other airsmith necessities for your next project.
Of course, we know not everyone has the time, skills or workspace to do their own airsoft upgrades. That’s why we offer a number of affordable packages that tailor your equipment to various weapon preferences and combat environments, from field durability to Mil-sim support gunner upgrades. If you’re looking to learn about the workings of airsoft guns, our boneyard is a great place to start. The semi-working and non-working guns in this section can be salvaged for parts or used as a tech training tool. Whatever you order, you’ll get free shipping on all orders more than $60, plus a price match guarantee, full tech support and all the other benefits of shopping with the premier airsoft parts retail seller.
PTS Magpul MOE M4 Handguard (OD Green)
- Unique Design
- High Quality Polymer
- Lightweight System
$39.00
Magpul USA MOE M4 Rifle Length Handguard (Black)
- Unique Design
- High Quality Polymer
- Lightweight System
$39.95
JG Full Stock for M4/M16 w/ Built-In Sling Point
- OEM Replacement
- Fits Most Major Brands
- Plastic Construction
$25.35
Magpul USA MOE Midlength Handguard (Dark Earth)
- Unique Design
- High Quality Polymer
- Lightweight System
$34.95
Madbull 6.01mm Precision AEG Non-PSG1 & Regular Hop Up Inner Barrel (590mm)
- 6.01mm Bore
- 7075 Aluminum Construction
- Increased Accuracy / Range
- Muzzle Velocity Increase
$45.00
Madbull 6.01mm Precision AEG M733 Inner Barrel (300mm)
- 6.01mm Bore
- 7075 Aluminum Construction
- Increased Accuracy / Range
- Muzzle Velocity Increase
$45.00
Madbull 6.01mm Precision AEG AK-47 Inner Barrel (455mm)
- 6.01mm Bore
- 7075 Aluminum Construction
- Increased Accuracy / Range
- Muzzle Velocity Increase
$45.00
Madbull 6.01mm Precision AEG MK5 Inner Barrel (229mm)
- 6.01mm Bore
- 7075 Aluminum Construction
- Increased Accuracy / Range
- Muzzle Velocity Increase
$45.00
Classic Army Reinforced Piston
- OEM Replacement
- Polycarbonate Construction
- Speed Rails
$20.00
Bravo Steel 6.03mm High Precision MK5 AEG Inner Barrel (229mm)
- 6.03mm Bore
- Steel Construction
- Anti-Rust Coating
- Increased Range / Accuracy
$42.00
Madbull Daniel Defense 7" Omega X Handguard Rail System (Black)
- Metal Construction
- Allows Tactical Accessories
Complete Kit
$97.00
Madbull Noveske Upper Receiver for CA M15 Old Type (Tan)
- Metal Body
- Professional Installation Recommended
- Durable Upgrade
$97.00
Madbull Noveske CA M15 Old Type Upper Receiver (OD Green)
- Metal Body
- Professional Installation Recommended
- Durable Upgrade
$97.00
Masamune Extreme Precision 6.01mm AEG Inner Barrel for MK96 (510mm)
- 6.01mm Bore
- Brass Barrel
- Chrome Coating
- Increased Range / Accuracy / Muzzle Velocity
$43.00
Madbull LED Hop Up Module for Ultimate Hop Up Chamber
- Designed for Madbull Hop Up Unit
- For Use w/ Precision Glow in the Dark BBs
- Tracer Unit for Low Light Situations
$43.50
Masamune Extreme Precision 6.01mm AEG Inner Barrel for VSR 10 G-Spec (300mm)
- 6.01mm Bore
- Brass Barrel
- Chrome Coating
- Increased Range / Accuracy / Muzzle Velocity
$39.00
Madbull Ultimate 3-1 Hop Up Chamber
- Metal Construction
- Rotary Style Hop Up
- Includes: Blue Bucking
- Increased Performance
$35.00
Echo 1 Max Speed Motor (Short Type)
- Increased Trigger Response
- Increased Rate of Fire Output
- Designed for use under M110 Springs
- D Type Pinion Gear
$60.00
Modify Torus Ver. 2 Reinforced 8mm AEG Gearbox w/ Tappet Plate
- Reinforced Gearbox Shell
- Designed for High ROF & High FPS Setup
- Ports for Quick Internal Examination
- Includes: One (1) Gearbox Shell
$77.38
Echo 1 High Torque Motor (Long Type)
- Stronger Magnets Over Stock
- Increased Trigger Response
- Designed for Higher Tension Springs
- D Type Pinion Gear
$40.00
Modify Torus Ver. 2 Reinforced 7mm AEG Gearbox w/ Tappet Plate
- Reinforced Gearbox Shell
- Designed for High ROF & High FPS Setup
- Ports for Quick Internal Examination
- Includes: One (1) Gearbox Shell
$72.08
Action Army POM Piston (White)
- Strong Polymer Construction
- Lightweight Design
- Half Metal Tooth Rack for Durability
- 2nd to Last Tooth Removed
$31.00
My Account
Information
Categories
- Airsoft Guns
- Tactical Gear
- Airsoft Gun Upgrade & Maintenance Parts
- Accessories BBs Magazines Batteries and Gas
- More
- Sale and Specials
- New Products
- Shop by Brands
- Gas Airsoft Pistols
- AEG M4 Rifles
- Airsoft Sniper Rifles
- Hi-Capa Airsoft Pistols
- Spring and Gas Airsoft Shotguns
- Cheap Airsoft Deals
- Back in Stock Products
Customer Service
Airsoft GI Field Partners
Phone Hours: 09:00-17:30 PST (M-F)
Copyright © 2026 Airsoft GI
All airsoft guns are required to have the tip (1/4 inch) of the barrel permanently colored in blaze orange. No person may openly display or expose any imitation firearm (replica firearm), in a public place. The term "public place" means an area open to the public or exposed to public view and includes streets, sidewalks, bridges, alleys, plazas, parks, driveways, parking lots, automobiles, whether moving or not, and buildings open to the general public, including those that serve food or drink, or provide entertainment, and the doorways and entrances to buildings or dwellings and the grounds enclosing them.
Any person who changes, alters, removes, or obliterates any coloration or markings that are required for by any applicable state or federal law or regulation, for any imitation firearm (replica firearm), or device in any way that makes the imitation firearm (replica firearm) or device look more like a firearm is guilty of violating the state or federal law.
By accessing the Site, you certify that you are older than 18 years of age or the age of majority where you live, whichever is older; that you are the owner of any credit card used to purchase on items on the Site; that you are familiar with all local laws in your area affecting your legal right to access airsoft products; that any products you buy are for your own private enjoyment and that you will NEVER share these products with a minor in ANY WAY.