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.
![Airsoft Masterpiece Magwell [No Marking] for Hi-Capa Pistols - BLACK](https://www.airsoftmegastore.com/image/cache/catalog/product/pd-28995-1800x1200-1-480x480.jpg "Airsoft Masterpiece Magwell [No Marking] for Hi-Capa Pistols - BLACK")
![Airsoft Masterpiece Magwell [No Marking] for Hi-Capa Pistols - GOLD](https://www.airsoftmegastore.com/image/cache/catalog/product/pd-28996-1800x1200-1-480x480.jpg "Airsoft Masterpiece Magwell [No Marking] for Hi-Capa Pistols - GOLD")
![Poseidon 6.05mm Air Cushion Inner Barrel for TM / WE GBB Airsoft Rifles [165mm]](https://www.airsoftmegastore.com/image/cache/catalog/product/pd-29109-1800x1200-1-480x480.jpg "Poseidon 6.05mm Air Cushion Inner Barrel for TM / WE GBB Airsoft Rifles [165mm]")
![Poseidon 6.05mm Air Cushion Inner Barrel for TM / WE GBB Airsoft Rifles [363mm]](https://www.airsoftmegastore.com/image/cache/catalog/product/pd-29110-1800x1200-1-480x480.jpg "Poseidon 6.05mm Air Cushion Inner Barrel for TM / WE GBB Airsoft Rifles [363mm]")
![Poseidon 6.05mm Air Cushion Inner Barrel for TM Airsoft AEG Rifles [141mm]](https://www.airsoftmegastore.com/image/cache/catalog/product/pd-29115-1800x1200-1-480x480.jpg "Poseidon 6.05mm Air Cushion Inner Barrel for TM Airsoft AEG Rifles [141mm]")
![Lancer Tactical M140 Linear Pitch Airsoft AEG Spring [440-465 FPS]](https://www.airsoftmegastore.com/image/cache/catalog/product/pd-29268-1800x1200-1-480x480.jpg "Lancer Tactical M140 Linear Pitch Airsoft AEG Spring [440-465 FPS]")
![Lancer Tactical M160 Linear Pitch Airsoft AEG Spring [490-515 FPS]](https://www.airsoftmegastore.com/image/cache/catalog/product/pd-29270-1800x1200-1-480x480.jpg "Lancer Tactical M160 Linear Pitch Airsoft AEG Spring [490-515 FPS]")
![PolarStar F1-CL Version 2 Mini FCU Conversion Kit [for M4/M16]](https://www.airsoftmegastore.com/image/cache/catalog/product/pd-29391-1800x1200-1-480x480.jpg "PolarStar F1-CL Version 2 Mini FCU Conversion Kit [for M4/M16]")
![WellFire VSR-10 Upgrade Set [MB02, MB03, MB07, MB09, MB10, MB11, MB12]](https://www.airsoftmegastore.com/image/cache/catalog/product/MB1007_1-480x480.jpg "WellFire VSR-10 Upgrade Set [MB02, MB03, MB07, MB09, MB10, MB11, MB12]")
![LCT AK Complete Gearbox Electric Blowback and Recoil Kit [Long Bolt]](https://www.airsoftmegastore.com/image/cache/catalog/product/PK-331_LRG-480x480.jpg "LCT AK Complete Gearbox Electric Blowback and Recoil Kit [Long Bolt]")
![LCT AK Complete Gearbox Electric Blowback and Recoil Kit [Short Bolt]](https://www.airsoftmegastore.com/image/cache/catalog/product/PK-332_LRG-480x480.jpg "LCT AK Complete Gearbox Electric Blowback and Recoil Kit [Short Bolt]")
![Valken Quick Disconnect Fitting [1/8 FPT]](https://www.airsoftmegastore.com/image/cache/catalog/product/VALKEN-68838_01-480x480.jpg "Valken Quick Disconnect Fitting [1/8 FPT]")
![WellFire L96 Upgrade Set [MB44 Series]](https://www.airsoftmegastore.com/image/cache/catalog/product/MB1008_1-480x480.jpg "WellFire L96 Upgrade Set [MB44 Series]")
![Gate Titan V2 Programmable MOSFET w/ USB-Link [Complete Set] - REAR WIRED](https://www.airsoftmegastore.com/image/cache/catalog/product/GATE-TTN-CR_1-480x480.jpg "Gate Titan V2 Programmable MOSFET w/ USB-Link [Complete Set] - REAR WIRED")
![Gate Titan V2 Programmable MOSFET w/ USB-Link [Advanced Set] - REAR WIRED](https://www.airsoftmegastore.com/image/cache/catalog/product/GATE-TTN2-AR_01-480x480.jpg "Gate Titan V2 Programmable MOSFET w/ USB-Link [Advanced Set] - REAR WIRED")
![Gate ASTER V2 Advanced Programmable MOSFET [Basic Firmware] - REAR WIRED](https://www.airsoftmegastore.com/image/cache/catalog/product/GATE-ASTER2-BR_01-480x480.jpg "Gate ASTER V2 Advanced Programmable MOSFET [Basic Firmware] - REAR WIRED")
![Airsoft Masterpiece Magwell w/ POM Base for Hi-Capa Pistols [L Style] - BLACK](https://www.airsoftmegastore.com/image/cache/catalog/product/AM-MW-LCR-BK_1-480x480.jpg "Airsoft Masterpiece Magwell w/ POM Base for Hi-Capa Pistols [L Style] - BLACK")
![Airsoft Masterpiece Infinity Grip Screw for Hi-Capa Pistols [Version 2] (GOLD)](https://www.airsoftmegastore.com/image/cache/catalog/product/AM-GS-SV2-G_1-480x480.jpg "Airsoft Masterpiece Infinity Grip Screw for Hi-Capa Pistols [Version 2] (GOLD)")
![Airsoft Masterpiece STEEL Fiber Front Sight w/ Fiber Strips [B Style]](https://www.airsoftmegastore.com/image/cache/catalog/AM-FS-BRA_LRG-480x480.jpg "Airsoft Masterpiece STEEL Fiber Front Sight w/ Fiber Strips [B Style]")
![Airsoft Masterpiece CNC Steel Hammer & Sear Set for Marui Hi-Capa [Infinity QB] (TWO-TONE)](https://www.airsoftmegastore.com/image/cache/catalog/AM-HP-TMHC-S17TT_LRG-480x480.jpg "Airsoft Masterpiece CNC Steel Hammer & Sear Set for Marui Hi-Capa [Infinity QB] (TWO-TONE)")
![Airsoft Masterpiece Magwell for Hi-Capa Airsoft Pistols [L Style] (SILVER)](https://www.airsoftmegastore.com/image/cache/catalog/product/AM-MW-LCAA-S_LRG-480x480.jpg "Airsoft Masterpiece Magwell for Hi-Capa Airsoft Pistols [L Style] (SILVER)")
![Airsoft Masterpiece Magwell for Hi-Capa Airsoft Pistols [L Style] (RED)](https://www.airsoftmegastore.com/image/cache/catalog/product/AM-MW-LCAA-R_LRG-480x480.jpg "Airsoft Masterpiece Magwell for Hi-Capa Airsoft Pistols [L Style] (RED)")
![Airsoft Masterpiece Magwell for Hi-Capa Airsoft Pistols [L Style] (GOLD)](https://www.airsoftmegastore.com/image/cache/catalog/product/AM-MW-LCAA-G_LRG-480x480.jpg "Airsoft Masterpiece Magwell for Hi-Capa Airsoft Pistols [L Style] (GOLD)")
![Airsoft Masterpiece Magwell for Hi-Capa Airsoft Pistols [L Style] (BLACK)](https://www.airsoftmegastore.com/image/cache/catalog/product/AM-MW-LCAA-BK_LRG-480x480.jpg "Airsoft Masterpiece Magwell for Hi-Capa Airsoft Pistols [L Style] (BLACK)")
![Airsoft Masterpiece Aluminum Rear Sight w/ Fiber Optics for Hi-Capa [S Style]](https://www.airsoftmegastore.com/image/cache/catalog/product/AM-RSA-STI-F_1-480x480.jpg "Airsoft Masterpiece Aluminum Rear Sight w/ Fiber Optics for Hi-Capa [S Style]")
![Airsoft Masterpiece Valve Knocker Spring [Set of 2]](https://www.airsoftmegastore.com/image/cache/catalog/product/AM-HP-DVS_1-480x480.jpg "Airsoft Masterpiece Valve Knocker Spring [Set of 2]")
![Airsoft Masterpiece Infinity Magwell for Hi-Capa Pistols [Type 2] - SILVER](https://www.airsoftmegastore.com/image/cache/catalog/product/AM-MW-SVIFAA-S_01-480x480.jpg "Airsoft Masterpiece Infinity Magwell for Hi-Capa Pistols [Type 2] - SILVER")
![Airsoft Masterpiece Magwell w/ POM Base for Hi-Capa Pistols [L Style] - GOLD](https://www.airsoftmegastore.com/image/cache/catalog/product/AM-MW-LCR-G_1-480x480.jpg "Airsoft Masterpiece Magwell w/ POM Base for Hi-Capa Pistols [L Style] - GOLD")
![Airsoft Masterpiece Magwell w/ POM Base for Hi-Capa Pistols [L Style] - SILVER](https://www.airsoftmegastore.com/image/cache/catalog/product/AM-MW-LCR-S_1-480x480.jpg "Airsoft Masterpiece Magwell w/ POM Base for Hi-Capa Pistols [L Style] - SILVER")
![Airsoft Masterpiece CNC Steel Hammer & Sear Set for Hi-Capa [D Type]](https://www.airsoftmegastore.com/image/cache/catalog/product/AM-HP-TMHC-S27TT-480x480.jpg "Airsoft Masterpiece CNC Steel Hammer & Sear Set for Hi-Capa [D Type]")
![Airsoft Masterpiece CNC Steel Slide Stop [Type 2]](https://www.airsoftmegastore.com/image/cache/catalog/product/AM-SS-2S_LRG-480x480.jpg "Airsoft Masterpiece CNC Steel Slide Stop [Type 2]")
![5KU SOCOM Series QD Mock Suppressor w/ Flash Hider [14mm CCW] - BLACK](https://www.airsoftmegastore.com/image/cache/catalog/product/5KU-SOCOM-SERIES-480x480.jpg "5KU SOCOM Series QD Mock Suppressor w/ Flash Hider [14mm CCW] - BLACK")
![5KU SOCOM Monster QD Mock Suppressor w/ Flash Hider [14mm CCW] - BLACK](https://www.airsoftmegastore.com/image/cache/catalog/product/5KU-185-and-6-480x480.jpg "5KU SOCOM Monster QD Mock Suppressor w/ Flash Hider [14mm CCW] - BLACK")
![Atlas Custom Works Knurled Thread Protector [14mm CCW]](https://www.airsoftmegastore.com/image/cache/catalog/product/ACW-451_master-480x480.jpg "Atlas Custom Works Knurled Thread Protector [14mm CCW]")
![Double Bell AK Series Airsoft Flash Hider Amplifier [14mm CCW] - BLACK](https://www.airsoftmegastore.com/image/cache/catalog/product/BIK-38_01-480x480.jpg "Double Bell AK Series Airsoft Flash Hider Amplifier [14mm CCW] - BLACK")
