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Internal parts and upgrade for electric airsoft guns
You're getting pretty serious about airsoft, aren't you? We know the drill. The best way to dive deeper into our world is to upgrade your weapon. Because suddenly you'll find that your baby shoots farther, is more accurate, sounds better and breaks down less. And that's just the tip of the iceberg! Internal parts for electric airsoft guns come in many categories, but if you're just starting out, you should definitely look for a new mechabox, spring, seals and HopUp chamber first.
You're getting pretty serious about airsoft, aren't you? We know the drill. The best way to dive deeper into our world is to upgrade your weapon. Because suddenly you'll find that your baby shoots farther, is more accurate, sounds better and breaks down less. And that's just the tip of the iceberg! Internal parts for electric airsoft guns come in many categories, but if you're just starting out, you should definitely look for a new mechabox, spring, seals and HopUp chamber first.
Best Seller in Category
1.4UANTUM Friction Hop-Up Rubber for AEG
2.ML OMEGA NUB Tensioner - Black
3.GUARDER Progressive Tune-Up Spring for AEG - SP120
577,26 € In StockGATE Completed EON CNC Gearbox and TITAN II Bluetooth® EXPERT...: GATE
EON-CGB2-F18
Complete airsoft CNC gearbox EON V2 Titanium and TITAN II Bluetooth® EXPERT V2 by GATE with rear wiring. Drop-in upgrade set with an output of approx. 1.8 J (134 m/s). Designed for AEG M4 / AR15 rifles (MK18, M16, HK416). TITAN II Bluetooth® EXPERT unit, CNC EON aluminum gearbox shell, heavy-duty internal parts. Fully assembled and tuned directly by...
577,26 €In Stock
168,74 € In StockRetroArms ASG CZ Scorpion EVO 3 CNC Gearbox9572
RetroArms CNC gearbox for airsoft AEG rifles ASG CZ Scorpion EVO 3 is an essential upgrade part manufactured from aircraft-grade aluminum EN AW 7075 T651 with strength exceeding standard steel. It features a QSC quick spring change system and includes not only the shell but also the spring guide and screws. Designed for all ASG CZ Scorpion EVO models....
168,74 €In Stock
12,26 € In StockLCT PK-424 LCK AK Hop-up Chamber Unit – Černá: LCT
PK424
Hop-up chamber PK-424 LCK AK by LCT in black is a rotary chamber designed for airsoft LCK AK type rifles with a Version 3 gearbox. It provides precise and stable hop-up pressure adjustment and is designed exclusively for LCT LCK AK models.
12,26 €In Stock
89,87 € In StockSilent Industries ALPHA M4 Gen2 AEG / HPA CNC Hop-up ChamberSILENT01
Silent Industries CNC hop-up chamber ALPHA M4 Gen2 (V2) represents the top tier among upgrade chambers for demanding players who want maximum accuracy and performance. Thanks to the TDC adjustment, clamping ring system, adjustable magazine inlet, and Gen2 improvements, it pushes your rifle performance to a completely new level.
89,87 €In Stock
10,53 € In StockEPeS MAXX M4 Hop-up Chamber Tracer Unit Bracket Frame (L+R): EPES
E353-MAXX-FR
EPeS standalone frame for illumination unit for MAXX M4 hop-up chamber is a mounting kit designed for installation of the universal UV illumination unit EPeS (E353-UNI) into MAXX M4-Series chambers such as M4A, M4i, M4P, M4G, M4Gi (not compatible with M4W MTW). The package includes a left and right frame.
10,53 €In Stock
79,93 € In StockMAXX CNC Hop-up Chamber M4A PRO (AEG) – Red: MAXX
MX-HOP010MA
Maxx Model CNC hop-up chamber M4A PRO in red is a top-tier upgrade part for AEG M4 / AR15 replicas. It offers precise CNC machining, rotary TDC adjustment and maximum shot consistency. Thanks to compatibility with R-Hop and standard buckings and precise fitment, it ensures stable performance without FPS loss. The BB latching system prevents BB loss during...
79,93 €In Stock
84,16 € In StockMAXX CNC Hop-up Chamber M4P PRO (HPA PolarStar) – Blue: MAXX
MX-HOP010MP
Maxx Model CNC hop-up chamber M4P PRO in red is a premium upgrade part for HPA PolarStar V2 setups (F2, F1, Jack and others). It offers precise CNC machining, rotary TDC adjustment and maximum shooting consistency. Thanks to compatibility with R-Hop and standard buckings and precise alignment, it ensures stable performance without FPS loss.
84,16 €In Stock
84,16 € In StockMAXX CNC Hop-up Chamber M4i PRO (ICS AEG) – Silver: MAXX
MX-HOP010MI
Maxx Model CNC hop-up chamber M4i PRO in silver is a premium upgrade part for ICS AEG M4 platforms (SSS / CXP / CS4 / EBB including older models). It offers precise CNC machining, rotary TDC adjustment and maximum shooting consistency. Thanks to compatibility with R-Hop and standard buckings and precise alignment, it ensures stable performance without FPS...
84,16 €In Stock
90,92 € In StockMAXX CNC Hop-up Chamber M4G (AEG → VSR) – Black: MAXX
MX-HOP020MG
MAXX Model CNC hop-up chamber M4G in black is a unique hybrid upgrade for AEG and HPA M4 / AR15 platforms. It uses GBB / VSR buckings and inner barrels, delivering higher accuracy, tighter grouping and consistent performance. With CNC construction, precise TDC adjustment and BB latching system, it takes your rifle performance to the next level. Ideal for...
90,92 €In Stock- PERUN V2 Lightning ETU Unit – Wiring to the Stock
: Perun
PERUN023
Perun V2 Lightning ETU with rear wiring is a modern processor unit with an integrated MOSFET designed for Tokyo Marui V2 gearbox standard. It uses optical and magnetic sensors without mechanical contacts, offers precise trigger tuning, precocking and active brake, and supports batteries up to 17 V. Suitable for all gear sets and brushless motors.
61,32 €In Stock - PERUN ETU Unit V7 M14 (Marui / CYMA)
: Perun
PERUN024
PERUN ETU Unit V7 M14 (Marui / CYMA) is an advanced processor unit with MOSFET designed for V7 gearboxes in Tokyo Marui and CYMA M14 rifles. It replaces the entire original trigger assembly with its own housing featuring an integrated adjustable Clicker and Perun electronics. It brings magnetic trigger detection, optical selector and sector gear sensing,...
117,99 €In Stock - PERUN ETU Unit V2.2 G28 / HK417 (VFC)
: Perun
PERUN025
PERUN V2.2 ETU Unit G28 is an advanced processor unit with MOSFET designed for DMR rifles VFC G28 and HK417. It replaces the original mechanical trigger assembly with its own housing featuring an integrated adjustable Clicker trigger resistance and PERUN electronics. It brings magnetic trigger detection, optical selector and sector gear sensing, and fully...
126,45 €In Stock - PERUN V2 Lightning ETU Unit – Front Wiring
: Perun
PERUN026
Perun V2 Lightning ETU with front wiring is a modern processor unit with an integrated MOSFET designed for Tokyo Marui standard V2 gearboxes. It uses optical and magnetic sensors without mechanical contacts, offering precise trigger tuning, precocking and an active brake, while supporting batteries up to 17 V. Suitable for all gear ratios and brushless...
61,32 €In Stock - MAXX M4E CNC Hop-up Chamber Unit (AEG) – Orange
: MAXX
MX-HOP020ME
Maxx Model CNC hop-up chamber M4E in orange color is a premium upgrade part for AEG M4 / AR15 rifles. It offers precise CNC machining, rotary hop-up adjustment, and maximum shooting consistency. Thanks to compatibility with R-Hop and standard buckings and perfect alignment, it ensures stable performance without FPS loss. BB retention system with release...
88,39 €In Stock - MAXX M4Ei CNC Hop-up Chamber Unit (ICS M4 AEG) – Orange
: MAXX
MX-HOP020MEI
Maxx Model CNC hop-up chamber M4Ei in orange color is a premium upgrade part for AEG ICS M4 / AR15. It offers precise CNC machining, rotary hop-up adjustment, and maximum shooting consistency. Thanks to compatibility with R-Hop and standard buckings and perfect alignment, it ensures stable performance without FPS loss. BB retention system with release...
88,39 €In Stock 
1,69 € In StockAirsoftPro M4 / M16 Series Barrel Lock – BlackASPRO011
AirsoftPro inner barrel clip for M4 / M16 AEG airsoft rifles in black finish is a small replacement part designed to securely hold the inner barrel in the hop-up chamber. It prevents the barrel from rotating or shifting during firing, helping maintain proper hop-up system function and consistent shooting accuracy. It is suitable for repairs, servicing of...
1,69 €In Stock
104,88 € 141,50 € In Stock-26%JeffTron LEVIATHAN V2 Optical (Front Wired) + CNC SPEED...: JeffTron
JT-LEV-V2F-SR
Leviathan V2 Optical ETU unit by JeffTron with front wiring. Includes a CNC aluminum SPEED trigger by Retro Arms (red). For gearbox V2 and V2.5 (M4, M16, MK18, HK416, SR-25, and other platforms). Bluetooth programming via JeffTron app (iOS / Android). Hair trigger mode with just 0.13 mm of travel. RFTS system – realistic trigger resistance simulation.
104,88 € 141,50 €In StockReduced price!
102,34 € 141,50 € In Stock-28%JeffTron LEVIATHAN V2 Optical (Front Wired) + CNC SPEED...: JeffTron
JT-LEV-V2F-SB
Leviathan V2 Optical ETU unit by JeffTron with front wiring. Includes a CNC aluminum SPEED trigger by Retro Arms (black). For gearbox V2 and V2.5 (M4, M16, MK18, HK416, SR-25, and other platforms). Bluetooth programming via JeffTron app (iOS / Android). Hair trigger mode with just 0.13 mm of travel. RFTS system – realistic trigger resistance simulation.
102,34 € 141,50 €In StockReduced price!
134,91 € In StockJeffTron LEVIATHAN V2 Optical (rear wired) + CNC CLASSIC...: JeffTron
JT-LEV-V2S-CLASB
Leviathan V2 Optical ETU unit by JeffTron with rear wiring. Includes a CNC aluminum CLASSIC trigger by Retro Arms (black). For gearbox V2 and V2.5 (M4, M16, MK18, HK416, SR-25, and other platforms). Bluetooth programming via JeffTron app (iOS / Android). Hair trigger mode with just 0.13 mm of travel. RFTS system – realistic trigger resistance...
134,91 €In Stock
134,91 € In StockJeffTron LEVIATHAN V2 Optical (rear wired) + CNC SPEED Trigger...: JeffTron
JT-LEV-V2S-SB
Leviathan V2 Optical ETU unit by JeffTron with rear wiring. Includes a CNC aluminum SPEED trigger by Retro Arms (black). For gearbox V2 and V2.5 (M4, M16, MK18, HK416, SR-25, and other platforms). Bluetooth programming via JeffTron app (iOS / Android). Hair trigger mode with just 0.13 mm of travel. RFTS system – realistic trigger resistance simulation.
134,91 €In Stock
134,91 € In StockJeffTron LEVIATHAN V2 Optical (rear wired) + CNC CURVED...: JeffTron
JT-LEV-V2S-CR
Leviathan V2 Optical ETU unit by JeffTron with rear wiring. Includes a CNC aluminum CURVED trigger by Retro Arms (red). For gearbox V2 and V2.5 (M4, M16, MK18, HK416, SR-25, and other platforms). Bluetooth programming via JeffTron app (iOS / Android). Hair trigger mode with just 0.13 mm of travel. RFTS system – realistic trigger resistance simulation.
134,91 €In Stock
134,91 € In StockJeffTron LEVIATHAN V2 Optical (rear wired) + CNC CURVED...: JeffTron
JT-LEV-V2S-CB
Leviathan V2 Optical ETU unit by JeffTron with rear wiring. Includes a CNC aluminum CURVED trigger by Retro Arms (black). For gearbox V2 and V2.5 (M4, M16, MK18, HK416, SR-25, and other platforms). Bluetooth programming via JeffTron app (iOS / Android). Hair trigger mode with just 0.13 mm of travel. RFTS system – realistic trigger resistance simulation.
134,91 €In Stock
134,91 € In StockJeffTron LEVIATHAN V2 Optical (rear wired) + CNC FLAT Trigger...: JeffTron
JT-LEV-V2S-FR
Leviathan V2 Optical ETU unit by JeffTron with rear wiring. Includes a CNC aluminum FLAT trigger by Retro Arms (red). For gearbox V2 and V2.5 (M4, M16, MK18, HK416, SR-25, and other platforms). Bluetooth programming via JeffTron app (iOS / Android). Hair trigger mode with just 0.13 mm of travel. RFTS system – realistic trigger resistance simulation.
134,91 €In Stock
134,91 € In StockJeffTron LEVIATHAN V2 Optical (rear wired) + CNC FLAT Trigger...: JeffTron
JT-LEV-V2S-FB
Leviathan V2 Optical ETU unit by JeffTron with rear wiring. Includes a CNC aluminum FLAT trigger by Retro Arms (black). For gearbox V2 and V2.5 (M4, M16, MK18, HK416, SR-25, and other platforms). Bluetooth programming via JeffTron app (iOS / Android). Hair trigger mode with just 0.13 mm of travel. RFTS system – realistic trigger resistance simulation.
134,91 €In Stock
