Hop-Up Chambers

The original hop-up chamber is designed for the M905 sniper rifle of the B.A.R. series. It has a polymer construction and comes with the hop-up bucking included.

Features

• Polymer construction
• Original chamber for the M905 sniper rifle

Package Contents

• Hop-up chamber
• Hop-up bucking

The Well metal hop-up chamber is designed for Well MB02 and MB03 sniper rifles. It is a suitable spare part for repairs or for replacing the original chamber.

Features

• Metal construction
• Compatible with MB02 and MB03 sniper rifles

The Specna Arms hop-up chamber is designed for G36 series electric rifles. It is a spare part for correct adjustment of the hop-up effect.

Features

• Compatible with G36 series electric rifles

The Specna Arms metal hop-up chamber is designed for Specna Arms J-series electric rifles and compatible AK replicas. The metal construction offers rigidity and durability.

Features

• Metal construction
• Compatible with J-series electric rifles and AK-compatible models

Package Contents

• Hop-up chamber
• Hop-up bucking not included

The Specna Arms Magnus rotary hop-up chamber with TDC system is designed for M4/M16 series electric rifles. It comes equipped with a Helium flat hop-up bucking for a stable hop-up effect that is precisely adjustable with a wheel.

Features

• Rotary hop-up chamber with TDC system
• Helium flat hop-up bucking included
• Compatible with M4/M16 series electric rifles

The Specna Arms Magnus rotary hop-up chamber with TDC system is designed for AK series electric rifles. It comes equipped with a Helium flat hop-up bucking for a stable hop-up effect that is precisely adjustable with a wheel.

Features

• Rotary hop-up chamber with TDC system
• Helium flat hop-up bucking included
• Compatible with AK series electric rifles

The Specna Arms rotary hop-up chamber is a spare part for M4 electric rifles of the Edge series. The rotary adjustment allows fine tuning of the spin applied to the BB.

Features

• Rotary-type hop-up chamber
• Compatible with Specna Arms M4 Edge electric rifles

Package Contents

• Hop-up chamber
• Hop-up bucking not included

The Specna Arms rotary hop-up chamber is a spare part for M4 electric rifles of the Edge series. The rotary adjustment allows fine tuning of the spin applied to the BB.

Features

• Rotary-type hop-up chamber
• Compatible with Specna Arms M4 Edge electric rifles

Package Contents

• Hop-up chamber
• Hop-up bucking not included

The Specna Arms plastic hop-up chamber block is designed for Specna Arms J-series electric rifles and compatible AK replicas. It is a spare part for maintaining the hop-up system.

Features

• Plastic construction
• Compatible with Specna Arms J-series electric rifles and AK-compatible models

The Snow Wolf hop-up chamber is a spare part for Snow Wolf electric replicas of the ZB26 series. It ensures correct BB feeding and hop-up adjustment for a stable trajectory.

Features

• Metal construction
• Compatible with Snow Wolf ZB26 series electric rifles

Specifications

• Weight: 34 g

The Snow Wolf hop-up chamber is a spare part for Snow Wolf sniper replicas of the VSR-10 series. It ensures correct BB feeding and hop-up adjustment for a stable trajectory.

Features

• Metal construction
• Compatible with Snow Wolf VSR-10 series sniper rifles

The Snow Wolf hop-up chamber is a spare part for Snow Wolf bolt action replicas of the SV-98 series. It ensures correct BB feeding and hop-up adjustment for a stable trajectory.

Features

• Compatible with Snow Wolf bolt action rifles, SV-98 series

The Snow Wolf hop-up chamber is a spare part for Snow Wolf electric replicas of the PPSh-41 series. It ensures correct BB feeding and hop-up adjustment for a stable trajectory.

Features

• Compatible with Snow Wolf electric rifles, PPSh-41 series

The Snow Wolf hop-up chamber is a spare part for Snow Wolf electric replicas of the Barrett M99 series. It ensures correct BB feeding and hop-up adjustment for a stable trajectory.

Features

• Compatible with Snow Wolf electric rifles, Barrett M99 series

The Snow Wolf hop-up chamber is a spare part for Snow Wolf electric replicas of the Barrett M82A1 series. It ensures correct BB feeding and hop-up adjustment for a stable trajectory.

Features

• Compatible with Snow Wolf electric rifles, Barrett M82A1 series

The Snow Wolf hop-up chamber is a spare part for Snow Wolf sniper replicas of the M24 series. It ensures correct BB feeding and hop-up adjustment for a stable trajectory.

Features

• Metal construction
• Compatible with Snow Wolf M24 series sniper rifles

The Snow Wolf hop-up chamber is a spare part for Snow Wolf bolt action replicas of the Barrett M107A1 series. It ensures correct BB feeding and hop-up adjustment for a stable trajectory.

Features

• Compatible with Snow Wolf bolt action rifles, Barrett M107A1 series

The Royal polymer hop-up chamber is designed for AK47 series electric rifles. It is a lightweight and affordable spare part for maintaining the replica.

Features

• Polymer construction
• Compatible with AK47 series electric rifles

The RetroArms adjustment components set is designed for the RetroArms UNI hop-up chamber. It is useful for replacing worn or lost adjustment parts.

Features

• Compatible with the RetroArms UNI hop-up chamber

The RetroArms hop-up chamber is CNC-machined from EN AW 7075 duralumin and is designed for V3 gearboxes of AK series electric rifles. The package contains all the parts needed for installation.

Features

• EN AW 7075 duralumin construction
• CNC machining
• Compatible with V3 gearbox (AK series electric rifles)

Package Contents

• 1 hop-up chamber for AK
• 1 adjustment lever
• 1 pushing lever with cutout for standard spacers
• 2 screws 2.5 x 3 mm
• 1 screw 3 x 12 mm
• 1 plastic C-clip for AK
• 1 plastic pin
• 1 rubber O-ring
• 1 collet nut

The RetroArms hop-up chamber is CNC-machined from aluminum and is designed for M4/AR15 series electric rifles. It offers rigidity and precision for consistent hop-up adjustment.

Features

• CNC-machined aluminum construction
• Compatible with M4/AR15 series electric rifles

The RetroArms Ultra hop-up chamber is the complete solution for players who want a fully customizable chamber. It is based on the Basic chamber, CNC-machined from aircraft-grade 7075 aluminum, and has an adjustable feed axis like the Pro version.

The nozzle axis is adjustable, so the chamber can be positioned further forward in 0.2 mm steps using the included washers, to tune feeding or the position relative to the magazine. This feature requires nozzles of different lengths.

Features

• 7075 CNC-machined aluminum construction
• Adjustable feed axis
• Adjustable nozzle axis, with washers for 0.2 mm steps
• New inner barrel fixing mechanism: redesigned POM C-clip and Dutch nut that center the barrel and prevent rotation or longitudinal movement
• Flat area at the hop-up bucking, with included rings for standard AEG buckings (adjustable by sanding)
• Compatible with the new robust RetroArms hop-up bucking
• Compatible with M4/M16 series electric rifles

Specifications

• Weight: 10 g
• Maximum outer diameter of the Dutch nut: 12.95 mm

The Dutch nut is tightened by hand only. Before purchase, check that the nut fits inside the replica's outer barrel.

The RetroArms AK Cube hop-up chamber support is designed for AK and compatible airsoft replicas. It is CNC-machined from EN AW 7075 aluminum with protective anodizing, prevents incorrect magazine insertion into the body and allows fast reloading.

Features

• Aluminum (duralumin) EN AW 7075 construction
• CNC machining with protective anodizing
• Prevents incorrect magazine insertion
• Allows fast reloading
• Compatible with AK replicas and compatible models

Specifications

• Weight: 28 g

The RetroArms Pro hop-up chamber is a slightly redesigned version of the Basic chamber, CNC-machined from aircraft-grade EN AW 7075 duralumin and anodized. It is R-hop ready and intended for setups with fitting, release or magazine feeding problems.

The height of the feed axis is adjustable in 0.2 mm steps using the included washers, and the front collet nut firmly secures the inner barrel in the chamber, eliminating play.

Features

• EN AW 7075 CNC-machined aluminum construction, anodized
• R-hop ready
• Adjustable feed axis, with included washers (0.2 mm steps)
• O-ring on the feed axis that stops the last 4 BBs from falling out on reload
• Collet nut instead of a centering ring for firm barrel fixation
• Accepts barrels with different outer diameters (usually 8.4-8.5 mm)
• Compatible with most hop-up buckings, with reliable and consistent feeding
• Compatible with M4/M16 series electric rifles

Specifications

• Weight: 10 g

After assembly and adjustment, it is recommended to secure the feed axis with medium-strength thread locker. When tightening the nut, do not let the barrel rotate in the chamber.

The RetroArms CNC hop-up arm is designed for Evolt hop-up chambers for M4/M16/AR15 series rifles. CNC machining ensures precise adjustment.

Features

• CNC machining
• Compatible with Evolt hop-up chambers for M4/M16/AR15

The RetroArms C-clip secures the inner barrel in the hop-up chamber of AK series electric rifles. It is a small but essential spare part for correct barrel positioning.

Features

• Compatible with hop-up chambers of AK series electric rifles

The RetroArms C-clip secures the inner barrel in the hop-up chamber of M4/M16 series electric rifles. It is a useful spare part when servicing or upgrading the replica.

Features

• Compatible with M4/M16 series electric rifles

The Madbull LED module is an accessory for the Madbull Ultimate Hop Up system. It mounts on the compatible hop-up chamber and adds LED lighting to the system.

Features

• Compatible with the Madbull Ultimate Hop Up system

The J.G. Works metal hop-up chamber is designed for J.G. Works electric rifles of the M4 series and compatible models. The metal construction offers rigidity and durability.

Features

• Metal construction
• Compatible with J.G. Works M4 series electric rifles and compatible models

Specifications

• Weight: 30 g

The J.G. Works polymer complete hop-up chamber is designed for J.G. Works electric rifles of the M5K series and compatible models. It comes with the hop-up bucking included, ready to install.

Features

• Polymer construction
• Compatible with J.G. Works M5K series electric rifles and compatible models

Specifications

• Weight: 8 g

Package Contents

• Hop-up chamber
• Hop-up bucking

The J.G. Works polymer complete hop-up chamber is designed for J.G. Works electric rifles of the M5 series and compatible models. It comes with the hop-up bucking included, ready to install.

Features

• Polymer construction
• Compatible with J.G. Works M5 series electric rifles and compatible models

Specifications

• Weight: 10 g

Package Contents

• Hop-up chamber
• Hop-up bucking

The J.G. Works complete hop-up chamber is designed for J.G. Works bolt action sniper rifles of the B.A.R. series. The construction is metal with polymer parts, and the hop-up bucking is included.

Features

• Metal construction with polymer parts
• Compatible with J.G. Works B.A.R. series bolt action sniper rifles

Specifications

• Weight: 90 g

Package Contents

• Hop-up chamber
• Hop-up bucking

The Golden Eagle polymer hop-up chamber is designed for M4 series electric rifles. It is a lightweight spare part for maintaining the replica.

Features

• Polymer construction
• Compatible with M4 series electric rifles

The Golden Eagle complete hop-up chamber is designed for M4 series electric rifles. It is a practical spare part, ready to install.

Features

• Complete hop-up chamber
• Compatible with M4 series electric rifles

The Gate EON hop-up chamber is precision CNC-machined from aluminum and is designed for version 2 gearboxes. It delivers accurate and consistent FPS, a perfect seal and correct BB feeding, while the revolutionary TDC adjustment system always positions the ideal hop-up nub horizontally for a perfectly straight BB trajectory.

Tight tolerances on critical dimensions ensure a consistent FPS level and stable hop-up operation. The redesigned CNC-machined POM C-clip prevents the barrel from rotating and allows simple, error-free assembly.

Features

• Precise and stable hop-up adjustment thanks to the TDC (Top Down Centered) system
• BB trajectory always horizontal and straight
• Does not squeeze or roll the collar of the hop-up bucking
• Perfect seal with hop-up buckings, no Teflon tape needed
• Full hop-up adjustment range regardless of the nub used
• Robust CNC C-clip that stabilizes the barrel
• Perfect axial alignment of the barrel in the chamber
• Very fine hop-up adjustment via the ergonomic wheel
• Fits perfectly with the Gate Pulsar S HPA engine and the complete Gate EON V2 gearbox
• Color: titanium-violet

The Gate EON hop-up chamber is precision CNC-machined from aluminum and is designed for version 2 gearboxes. It delivers accurate and consistent FPS, a perfect seal and correct BB feeding, while the revolutionary TDC adjustment system always positions the ideal hop-up nub horizontally for a perfectly straight BB trajectory.

Tight tolerances on critical dimensions ensure a consistent FPS level and stable hop-up operation. The redesigned CNC-machined POM C-clip prevents the barrel from rotating and allows simple, error-free assembly.

Features

• Precise and stable hop-up adjustment thanks to the TDC (Top Down Centered) system
• BB trajectory always horizontal and straight
• Does not squeeze or roll the collar of the hop-up bucking
• Perfect seal with hop-up buckings, no Teflon tape needed
• Full hop-up adjustment range regardless of the nub used
• Robust CNC C-clip that stabilizes the barrel
• Perfect axial alignment of the barrel in the chamber
• Very fine hop-up adjustment via the ergonomic wheel
• Fits perfectly with the Gate Pulsar S HPA engine and the complete Gate EON V2 gearbox
• Color: titanium-red

The Gate EON hop-up chamber is precision CNC-machined from aluminum and is designed for version 2 gearboxes. It delivers accurate and consistent FPS, a perfect seal and correct BB feeding, while the revolutionary TDC adjustment system always positions the ideal hop-up nub horizontally for a perfectly straight BB trajectory.

Tight tolerances on critical dimensions ensure a consistent FPS level and stable hop-up operation. The redesigned CNC-machined POM C-clip prevents the barrel from rotating and allows simple, error-free assembly.

Features

• Precise and stable hop-up adjustment thanks to the TDC (Top Down Centered) system
• BB trajectory always horizontal and straight
• Does not squeeze or roll the collar of the hop-up bucking
• Perfect seal with hop-up buckings, no Teflon tape needed
• Full hop-up adjustment range regardless of the nub used
• Robust CNC C-clip that stabilizes the barrel
• Perfect axial alignment of the barrel in the chamber
• Very fine hop-up adjustment via the ergonomic wheel
• Fits perfectly with the Gate Pulsar S HPA engine and the complete Gate EON V2 gearbox
• Color: titanium-cyan

The G&G plastic hop-up chamber is designed for the GR16 series and is compatible with M4/M16 models. It is the original spare part for G&G replicas.

Features

• Plastic construction
• For the G&G GR16 series
• Compatible with M4/M16 models

The G&G aluminum rotary hop-up chamber is designed for RK74 series electric rifles. The metal construction provides rigidity, and the rotary adjustment allows precise tuning.

Features

• Rotary-type hop-up chamber
• Aluminum construction
• Compatible with RK74 series electric rifles

The G&G rotary hop-up chamber is designed for the GR16 series and is compatible with M4/M16 models. Adjustment is done with a wheel, simply and precisely.

Features

• Rotary-type hop-up chamber
• For the G&G GR16 series
• Compatible with M4/M16 models