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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
105,30 € In StockEPeS MAXX M4 Hop-up Chamber Tracer Unit: EPES
E353-MAXX
EPeS Tracer Unit for MAXX M4-Series hop-up chambers is a compact UV Tracer module designed for MAXX M4A, M4P, M4i and similar. It enables illumination of TRACER BBs directly inside the chamber without the need for a suppressor. The PH2.0 connector allows connection to ETU units such as Perun Hybrid and JeffTron Leviathan for power supply directly from the...
105,30 €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
117,99 € In StockPERUN 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
126,45 € In StockPERUN 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
61,32 € In StockPERUN 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
88,39 € In StockMAXX 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
88,39 € In StockMAXX 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- JeffTron Scylla HPA V2 Control Unit – Wiring to the Stock /...
: JeffTron
JT-HPA-V2
JeffTron Scylla HPA V2 with rear wiring for stock / buffer tube is an advanced control unit for HPA systems such as PolarStar F2, F1, Jack and Wolverine Inferno. It offers wireless configuration via a smartphone app, extremely fast trigger response, and complete control over your rifle's behavior, including solenoid tuning, RoF, shot delay, and output...
109,32 €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
2,54 € In StockAirsoftPro Molded Pressure Hop-up Roller (type H)ASPRO112
AirsoftPro H-shaped hop-up nub is an upgrade part designed to improve the pressure applied by the hop-up bucking to the BB. Thanks to its H-shaped profile, it distributes pressure over a larger contact area, helping to produce more consistent BB backspin and a more stable flight path. The hop-up pressure nub is made from durable POM (polyoxymethylene) and...
2,54 €In Stock
3,81 € In StockAirsoftPro Metal Sector Gear Delayer CamASPRO128
AirsoftPro Metal Sector Gear Delayer Chip is a simple upgrade part designed to extend the opening time of the hop-up chamber during the firing cycle. By keeping the nozzle in the rear position for longer, it can help improve BB feeding at high rates of fire or when using slower-feeding magazines. The chip is made of metal and is compatible with AEG...
3,81 €In Stock
11,38 € In StockAirsoftPro CNC Aluminum Flat Piston Head with BearingASPRO429
AirsoftPro CNC aluminum flat piston head with bearing is a lightweight upgrade piston head for AEG airsoft guns, combining a durable aluminum body, an integrated ball bearing, and dual O-rings for improved air seal and more precise piston guidance inside the cylinder. Thanks to its low weight, it contributes to smoother compression system operation and is...
11,38 €In Stock
41,82 € In StockAirsoftPro CNC Hop-up Chamber M249 LMG Gen.2 – RedASPRO262
The AirsoftPro CNC aluminum M249 Gen.2 hop-up chamber is an upgrade component for M249 LMG airsoft machine guns. The second generation features a CNC-machined 6061-T6 aluminum body, a redesigned pressure arm system with an OMEGA nub adapter, and an adjustment ring with engraved numbering. It provides more consistent performance and more precise hop-up...
41,82 €In Stock
39,75 € In StockAirsoftPro CNC Aluminum Hop-Up Unit G36 – RedASPRO310
The AirsoftPro Complete CNC Hop-Up Unit for AEG G36 is a precision-machined upgrade part made from 6061-T6 aluminum alloy, providing a more secure fit, improved air seal, and more consistent performance for G36 electric airsoft rifles. Its unique two-piece design creates a rigid connection between the unit and gearbox while making installation and...
39,75 €In Stock
3,76 € 6,72 € In Stock-44%AirsoftPro CNC Aluminum Nozzle with Double Seal – RedASPRO337
AirsoftPro aluminum nozzle with double sealing is a durable CNC upgrade nozzle for AEG electric airsoft guns designed to improve the air seal and reduce unwanted air loss during firing, helping to increase performance. Thanks to its dual internal O-ring sealing, precision CNC machining from 6061-T6 aluminum alloy, and polished finish, it provides a...
3,76 € 6,72 €In StockReduced price!
4,19 € In StockAirsoftPro Silicone Hop-Up Omega NubASPRO350
AirsoftPro Omega Nub silicone hop-up tensioner is an upgraded hop-up nub designed for AEG and manual airsoft sniper rifles. Its distinctive Omega-shaped profile creates a larger contact area with the hop-up bucking, providing more consistent BB spin and improved pressure distribution. It is particularly suitable for use with heavier BBs.
4,19 €In Stock
17,97 € In StockAirsoftPro A&K Masada Hop-up Unit Feed BlockASPRO432
AirsoftPro hop-up unit feed block for A&K Masada is a CNC-machined aluminum replacement for the lower half of the hop-up unit, replacing the original plastic component that is prone to cracking. Manufactured from AL6061-T6 aluminum alloy, it offers significantly greater durability, a longer service life, and a precise fit for A&K Masada airsoft rifles.
17,97 €In Stock
