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HOP-Up Chamber for Electric Airsoft M4 / M16
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1.MAXX CNC Hop-up Chamber M4A PRO (AEG) – Red
2.RetroArms CNC Hop-up Chamber AR15 BASIC - Black
3.MAXX CNC Hop-up Chamber M4P PRO (HPA PolarStar) – Blue
- 41,87 € In StockRetroArms CNC Hop-up Chamber AR15 BASIC - Black
6388
CNC Hop-Up Chamber AR15 BASIC by RetroArms in black. Designed for AEG AR15 rifles (M4, MK18, M16, SR-25, and others). Made from aircraft-grade aluminum EN AW 7075. Ready for R-Hop and standard buckings. Collet nut ensures perfect barrel centering and stability during firing. O-ring in the chamber inlet prevents BBs from falling out during reloads....
41,87 €In Stock 
23,22 € In Stock
4,19 € In Stock
24,11 € In Stock
3,17 € In StockEPeS O-ring set for AEG hop-up chamber: EPES
E381-SS
Set of Replacement O-rings for AEG Hop-Up Chamber Adjustment Elements from various manufacturers. When one ring wears out, you'll have an immediate solution at hand! No stress, be EPeS!
3,17 €In Stock
4,23 € In StockEPeS set of o-rings for pressurizing the AEG hop chamber: EPES
E381-PCH
Precision and Accuracy are influenced by variations in shot power. This dispersion should be minimized as much as possible. O-rings are placed on the inner barrel instead of the spring, pushing the AEG chamber more onto the gearbox. This extends the lifespan of the gearbox and, most importantly, improves performance consistency. You'll notice the...
4,23 €In Stock
4,23 € In StockEPeS Washers Hop-Up chamber x gearbox 0.1 mm (3 pcs): EPES
E360-01
EPeS shims between mechabox and chamber are always here to help you fine-tune feeding! Got a new chamber and the original nozzle is too long and doesn't feed? Don't want to disassemble the mechabox and void the warranty? The solution is to move the chamber further from the mechabox using shims. No stress, be EPeS!
4,23 €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
46,10 € In StockCNC Aluminum Hopup Chamber MXW for HPA M4 MTW: MAXX
MX-HOP010MX
The highest quality HopUp chamber designed for tuning M4 / M16 replicas. Rotary chambers manufactured by Maxx Model Products are made for the most demanding of players, they offer precise workmanship that is unprecedented on the market and perfect operation of the HU system in the replica. MXW = is for Wolverine HPA MTW Milspec, Forged, Billet a MTW-9.
46,10 €In Stock
27,49 € In StockEPeS Tracer unit for hop-up chambers: EPES
E353-UNI
Light up your shots with the universal DIY Illuminating Tracer module for hop-up chambers by EPeS. With this illuminating module from EPeS, you can achieve impressive shots using TRACER illuminating BBs. It can be powered in parallel with the motor or using processor units such as Perun Hybrid and JeffTron Leviathan. No stress, be EPeS!
27,49 €In Stock
4,23 € In StockINOX Washers Hop-Up chamber x gearbox 0,1 mm - 5 pcs7221
RetroArms metal shims with a thickness of 0.1 mm for adjusting AEG hop-up chamber away from the gearbox. They help determine the optimal nozzle length without dismantling the gearbox. Solvess feeding issues without voiding the warranty.
4,23 €In Stock
3,76 € In StockSilent Industries Barrel centering Ring for ALPHA ChamberSILENT08
Silent Industries centering ring for ALPHA chamber offers a centring groove for stabilizing the inner barrel in the chamber. This enhancement easily fixes the inner barrel in the chamber in a perfect alignment, achieving a 100% hop-up effect and perpendicular pressure without turning sideways.
3,76 €In Stock
90,92 € In StockMAXX CNC Aluminum Hop-up Chamber MGW (MTW M4 series) - Black: MAXX
MX-HOP020MGW
CNC Aluminum Hop-up Chamber MGW from MAXX Model uses a GBB / VSR bucking and a GBB inner barrel, ensuring sniper-level accuracy and consistency. It is compatible with TM and VFC AEG and HPA replicas. Offers fine hop-up adjustment, a replaceable nub, and a BB retention system. Designed for Maple Leaf Wonder, Super, and MrHop GBB buckings.
90,92 €In Stock
87,54 € In StockMAXX CNC Hop-up Chamber M4G (ICS AEG → VSR) – Black: MAXX
MX-HOP020MGI
MAXX Model CNC hop-up chamber M4Gi in black is a unique hybrid upgrade for AEG ICS M4 platforms (SSS / CXP / CS4 / EBB including older models). It uses GBB / VSR buckings and inner barrels, delivering higher accuracy, tighter grouping and consistent performance. With CNC construction and precise TDC adjustment, it takes your rifle performance to the next...
87,54 €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
96,84 € In StockMAXX CNC Hop-up Chamber M4W New Version for HPA M4 MTW - Black: MAXX
MX-HOP020MW
CNC hop-up chamber M4W New Version by MAXX Model for HPA rifles MTW M4/AR15 (including MTW‑9) in black. Designed for HPA MTW M4/M16/AR15/MK18 replicas (Milspec, Forged, Billet) by Wolverine Airsoft. Maximum accuracy thanks to CNC machining. Supports R‑Hop and standard AEG buckings and barrels. Complete kit including nub types, springs, and mounting...
96,84 €In Stock
12,69 € In StockSA TDC Magnus™ M4 Hop-Unit Unit and Helium™ Flat Bucking - BlackSPARMS377
TDC Magnus™ M4 Hop-Up Chamber and Helium™ Flat Bucking from Specna Arms in black. For AEG airsoft rifles M4, M16, AR15, MK18, HK416 and others. Precise TDC pressure for maximum accuracy. Helium™ Flat bucking without a nub. Stable BB rotation even with heavier ammunition.
12,69 €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- 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 
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 €Out of stock
