Customize and upgrade your airsoft loadout with premium parts and accessories built for performance. Shop CNC aluminum slides, inner barrels, hop-up units, triggers, guide rods, and recoil springs from top brands like CowCow, Dr. Black, Poseidon, Action Army, and LayLax—all compatible with popular platforms like hi capa, M4 AEGs, and GBB pistols.
Whether you're building a custom race pistol or tuning an AEG for milsim, our selection includes TM-compatible upgrades, precision parts, and tactical add-ons. Enhance your accuracy, durability, and style with high-performance components—available now at airsoft megastore.
![SHS X-Mod Airsoft Upgrade: M100 Grade Spring for AEG [320 - 340 FPS]](https://www.airsoftmegastore.com/image/cache/catalog/product/pd-368-1200x800-1-480x480.jpg "SHS X-Mod Airsoft Upgrade: M100 Grade Spring for AEG [320 - 340 FPS]")
![SHS X-Mod Airsoft Upgrade: M110 Grade Spring for AEG [350 - 380 FPS]](https://www.airsoftmegastore.com/image/cache/catalog/product/pd-369-1200x800-1-480x480.jpg "SHS X-Mod Airsoft Upgrade: M110 Grade Spring for AEG [350 - 380 FPS]")
![SHS X-Mod Airsoft Upgrade: M120 Grade Spring for AEG [380 - 410 FPS]](https://www.airsoftmegastore.com/image/cache/catalog/product/pd-370-1200x800-1-480x480.jpg "SHS X-Mod Airsoft Upgrade: M120 Grade Spring for AEG [380 - 410 FPS]")
![SHS X-Mod Airsoft Upgrade: M140 Grade Spring for AEG [450 - 480 FPS]](https://www.airsoftmegastore.com/image/cache/catalog/product/pd-372-1200x800-1-480x480.jpg "SHS X-Mod Airsoft Upgrade: M140 Grade Spring for AEG [450 - 480 FPS]")
![SHS X-Mod Airsoft Upgrade: M150 Grade Spring for AEG [480 - 510 FPS]](https://www.airsoftmegastore.com/image/cache/catalog/product/pd-373-1200x800-1-480x480.jpg "SHS X-Mod Airsoft Upgrade: M150 Grade Spring for AEG [480 - 510 FPS]")
![SHS X-Mod Airsoft Upgrade: M160 Grade Spring for AEG [500 - 540 FPS]](https://www.airsoftmegastore.com/image/cache/catalog/product/pd-374-1200x800-1-480x480.jpg "SHS X-Mod Airsoft Upgrade: M160 Grade Spring for AEG [500 - 540 FPS]")
![SHS X-Mod Airsoft Upgrade: M170 Grade Spring for AEG [540 - 570 FPS]](https://www.airsoftmegastore.com/image/cache/catalog/product/pd-375-1200x800-1-480x480.jpg "SHS X-Mod Airsoft Upgrade: M170 Grade Spring for AEG [540 - 570 FPS]")
