Viewing 324 of 324.
589.00 
  • High-density polymer
  • Designed for ARCTURUS AK AEGs
  • Rotary adjustment wheel

Are you having HOP-up troubles with your ARCTURUS AK platforms? This is exactly what you need! This HOP-up chamber is a complete replacement part and comes with the necessary pieces for installation. The main chamber is made from a sturdy plastic polymer and is compatible with ARCTURUS AK AEGs which have V3 Gearboxes. It is an affordable solution to mend your platforms with damaged or old HOP-up chambers.

We only recommend installing this HOP-up unit if you are confident in your abilities, some parts are small and installation must be precise.

Fix your AK replica's damaged HOP-up with the ARCTURUS Rotary Hop-Up Chamber For ARCTURUS AKs and you will have your replica shooting prime and proper in no time!

889.00 
  • 6.02mm diameter
  • 370mm length
  • Stainless steel construction

If you are looking to up the performance of your AEG and take it to the next level, Maple Leaf has got what you need. This 6.02mm Tightbore inner barrel is constructed from stainless steel and features a flawless internal finish for perfect shots every time. The 6.02mm is one of the tightest possible inner barrels that can be installed to get the most potential from your rifle and increase your FPS and accuracy to stay ahead of the competition.

The barrel measures 370mm and can be any rifle with an AEG-compatible HOP up, for those of you wanting to improve your rifle's air seal and overall efficiency. With the barrel being so tight, make sure to keep it clean for maximum performance.

1,769.00 
  • Hardened steel gearset
  • 18:1 Ratio
  • For TM Next Gen Recoil Shock gearbox

If you are looking to further extend your advantage and push your TM NGRS system to the limits reinforced gears are a must for long term reliability under increased stress. The Laylax EG Hard Gear Set is specifically designed for the Tokyo Marui Next Generation Recoil Shock (NGRS) gearbox and includes a hardened steel spur gear, sector gear and bevel gear. This gearset is a standard ratio set (18:1), intended to provide a great compromise between high speed and high torque, allowing you to take your build in either direction and still benefit from reinforced gears!

59.00 
  • Spring set for AK47/74 Version 3 gearbox
  • All springs except mainspring included
  • Fix up your old AK or build a gearbox!

If you are building a version 3 AK gearbox or you have an old AK AEG that needs a refit, this spring set will be useful! The set includes all the springs needed to complete a version 3 gearbox for AK AEGs except for the mainspring (the spring that provides the power). Maybe you have lost a spring, or your tappet spring got chewed up after a long and hard life? This spring set should give you all you need to get your AK doing its dirty work once again!

239.00 
  • CNC Aluminium construction
  • Double O-ring configuration
  • For version 2 GB equipped M4/AR-15 AEGs

If you're running an M4 AEG and seeking a cylinder head upgrade, the SHS V2 Cylinder Head for M4/AR-15 AEGs is a fantastic affordable option. Equipped with two O-rings around is circumference to close any gaps between your cylinder and the head, this cylinder head is compatible with any version 2 gearbox equipped M4 AEG.

The cylinder head body is constructed from CNC-machined aluminium and features a rubber dampening pad on the rear designed to reduce gearbox noise by cushioning the impacts of your piston head. If you're looking to enhance air seal or build a version 2 gearbox from scratch, the SHS V2 Cylinder Head for M4/AR-15 AEGs will suit you perfectly!

269.00 
  • Alloy construction
  • Replacement original part
  • For A&K M249 SAW AEG series

If you've broken the feeding unit of your M249, this should sort it! The A&K M249 Feeding Unit is a replacement original part for the A&K M249 SAW LMG series, including the MK1, MK2 and MK46 and PARA versions. This is the part which directs the BBs through the feed tube of the mag and into the HOP-up unit. While it may work with other brands of M249 LMGs, we can only guarantee compatibility with A&K-branded M249s. 

359.00 
  • Rubber construction - Bucking & Nub included
  • 60° Firm HOP-up rubber - Great for DMR & high FPS
  • Compatible with most Airsoft AEGs

If you are building an Airsoft DMR this enhanced HOP-up rubber set from Laylax Prometheus should be on your shopping list! Laylax Prometheus has a fantastic reputation for enhanced HOP-up buckings, providing the Purple bucking used in the Bolster Armouries ONYX AEG series thanks to Prommy's wealth of experience and pedigree. We love them, and we think you will too!

This bucking is designed for builds shooting at 350-400 FPS, putting it right in the sweet spot for DMRs. When installed, this set should improve range, enhance air seal and allow for heavier weights of ammo to be used. Compatibility-wise, this should fit the vast majority of Airsoft AEGs which use the standard TM AEG style HOP-up bucking/rubber and nub, which is almost all of them!

739.00 
  • High-speed gearset
  • Fits V2 and V3 gearboxes
  • Constructed from machined steel

If you're thinking of building a speedy Airsoft platform you will need some high-speed gears to maximise the fire rate! The ARCTURUS CNC Steel High-Speed Gear Set for Version 2/3 Gearbox has a 13:1 ratio, which means every 13 motor turns the gearbox will cycle once, which is a step faster than standard 18:1 Airsoft gears. When paired with a high-speed motor these gears will turn your AEG into a speedy demon. This gearset is a version 2/3 set so should work in any AEG with a V2/3 gearbox and many others which share the same gears.

These gears have been CNC machined from steel, ensuring that they are of the highest quality. If you want only the best for your AEG, you need the ARCTURUS CNC Steel 13:1 High-Speed Gear Set for Version 2/3 Gearbox!

1,179.00 
  • Stainless steel construction
  • 6.03mm Tightbore inner barrel
  • For most Airsoft AEGs - Standard AEG barrel cut

If you want to squeeze a bit more accuracy and FPS out of your AEG, Laylax has just the thing. This 6.03mm Tightbore Inner barrel is part of the Laylax Prometheus range, widely regarded as the best source for AEG upgrade parts in the world. Inner barrels from this same range are known for their rigid stainless steel construction and immaculate internal finish and are what we use in the phenomenal Bolster Armouries AEGs.

This 6.03mm tightbore is designed for AEG rifles, SMGs, and support guns which use the Tokyo Marui AEG style of barrel cut, which is the vast majority on the market, and will provide an accuracy improvement thanks to its finely polished internal surfaces and a slight increase in FPS thanks to the tighter bore improving air seal and the overall efficiency of the system.

2,209.00 
  • Optical MOSFET
  • For Version 2 gearboxes
  • Loads of functions - Great value

If you're running an SMG-5, M4/AR-15 or any other AEG which uses a version 2 gearbox, the GATE ASTER™ MOSFET will take your AEG to the next level. This advanced electronic trigger unit replaces your conventional trigger contacts with optical sensors, allowing for 250 different trigger sensitivity settings, burst and binary fire modes and a plethora of other functions to be programmed in using either the trigger and fire selector or the Gate Control Station App. 

This is the MOSFET we use in our Bolster Tuned platforms due to its fantastic balance of cost-effectiveness and performance, offering incredible efficiency improvements even before you get into the programmable features and customisation options. As with all ETU/MOSFET systems, a certain amount of expertise will be required to install the ASTER™ so if you're not confident, we suggest seeking a technician to carry out the installation process for you. If you're ready to take your AEG's performance to the next level, you're ready for the ASTER™!

4,709.00 
  • Complete TITAN Kit
  • Trigger Replacement
  • For NGRS Recoil System

A drop in MOSFET Kit designed for Tokyo Marui NGRS Recoil Shock Systems, such as the NGRS M4, and the NGRS SCAR. This variation of the Kit comes with the MOSFET Unit, the USB-Link, and is the Advanced version with unlocked features.

119.00 
  • Aluminium construction
  • Keeps the wires out of the way of the mag & handguard
  • For Sig Air MCX Virtus AEG

If you are worried about trapping your wiring when inserting a magazine or reinstalling your MCX handguard, Laylax has once again come up with a solution! The Wire Guard for MCX AEG is designed to mount to the gearbox shell and keep your wires well out of the way of any snags or potential damage from inserting magazines or removing/reinstalling the handguard. If you want to get ahead of one of the known problem areas of the MCX and save yourself some hassle down the line this affordable upgrade could save you time and money!

149.00 
  • O-Type
  • Steel Made
  • Vital Spare Part

This Motor Pinion Gear is an O-Type design, constructed from Steel and made for Airsoft Electric Guns to replace broken, damaged or worn parts. If Pinion Gear has lost teeth or worn down, it's only a matter of time before it stops working completely; stock up on vital spare parts like the Battleaxe Steel Motor Pinion Gear, today.

149.00 
  • Alloy construction
  • Reduce stress on your gears
  • Improves platform's consistency

The GATE AOE spacer is an ideal and straightforward upgrade for your Airsoft AEG. Positioned behind the piston head, it helps achieve the optimal angle of engagement (AOE). This refers to the angle at which the first tooth of the piston engages with the sector gear's teeth. Incorrect AOE can lead to excessive wear on the piston guide rails and the first tooth of the piston.

Proper AOE adjustment greatly extends the lifespan of the piston and helps prevent jams, which are often caused by incorrect alignment. It also improves FPS consistency by allowing smoother and more accurate gear engagement during each shot. The spacer is compatible with pistons that have a 5 mm centring hole and piston heads with a 5 mm centring spline.

Upgrade your Airsoft AEG with the GATE AOE spacer to enjoy more reliable performance and extended piston durability through countless skirmishes.

269.00 
  • Steel construction
  • Includes ARL & spring
  • For version 2 & 3 AEG gearboxes

If you're building a gearbox from scratch or you've had a mishap with your anti-reversal latch or ARL spring, the Lonex Anti-Reversal Latch for V2/V3 Gearbox will sort you out! This set includes a steel ARL and spring steel ARL spring, ideal for upgraded AEGs with strengthened gearsets.

This Anti-reversal latch set is intended for version 2 and version 3 AEG gearboxes and is a great spare to have in the toolbox for techy Airsofters. If you've lost that awkward little ARL spring, this set offers an easy route to replacing it!

299.00 
  • High density polymer construction
  • Replacement selector plate for M4/AR15 AEG
  • Reduced resistance and improved strength

If you have had a mishap and broken your selector plate, or you want something a bit stronger to reduce the likelihood of failure and reduce resistance at the same time the Laylax Hard Selector Plate is what you need. This selector plate is compatible with M4/AR15 AEGs and is constructed from hardened polymer to reduce flex and improve strength. This is a conventional selector plate designed for standard trigger contacts and will not work with optical MOSFETs without modification.

419.00 
  • Reinforced tappet plate
  • For the Tokyo Marui Next Generation recoil system gearbox
  • Important for high rate of fire builds

If you are tuning your gearbox for a high rate of fire build a reinforced tappet plate is a must for your shopping list. The Perfect Tappet Plate from Laylax replaces your original tappet plate to keep your Tokyo Marui NGRS AEG running for longer at high speed thanks to its reinforced polymer construction.

479.00 
  • CNC Aluminium construction
  • Double O-ring configuration
  • Includes 2x shock absorbing buffers

Building a beast of a gearbox? The Gate Protector CNC Aluminium Cylinder head guarantees a fantastic air seal thanks to its double o ring configuration. The Protector cylinder head is constructed from CNC machined aluminium and includes two rubber buffers of differing hardness, one of which can be installed on the rear of the cylinder head to reduce the impact force on the front of the gearbox shell and prolong its life. This cylinder head is best suited for standard builds or high performance DMR style builds and has super tight tolerances making fitting a breeze while reducing friction between parts which can result in premature failure.

529.00 
  • CNC Aluminium construction
  • For high performance and DMR builds
  • Compatible with all standard AEG gearboxes

If you are building up a DMR AEG you will want one of these inside! The Power CNC Aluminium Hybrid Piston head from Gate combines innovations from the AEG piston head market with those from Sniper rifles to allow the weight of the piston head to be adjusted to help reduce power loss when using heavy BBs (>0.3g). With the Hybrid Piston Head you have the choice; either install the piston head alone for improved air seal, longevity and reduced friction, or if you're building a DMR you can add the included weight pads to increase the weight of the piston, and reduce lost FPS when using BBs weighing over 0.3g. Perfect for a DMR build, but equally great in a standard AEG build, Gate has really broken the mould with this one!

1,479.00 
  • Hardened Steel construction
  • 13:1 Ratio - High speed gearset
  • For version 2 & version 3 gearboxes

If you feel the need for speed, the EG Hard Gear Set 13:1 Ratio for Version 2/3 Gearbox from Laylax will give you just that! The renowned Laylax/Prometheus EG Hard Gear series boasts over a decade of service, crafted with precision through Japanese machining, heat treatment, and forging techniques that adhere to the highest standards. This meticulous manufacturing ensures a notably quieter gear mesh sound, even under higher FPS and fire rate conditions.

These are 13:1 high-speed gears, improving rate of fire and trigger response by cycling the gearbox once every 13 motor revolutions as opposed to the standard once per 18 revolutions. This means you can boost rate of fire without upgrading your motor, though like any other replacement gearsets, these will require expertise to install. If you already upgraded your motor, wiring and added a MOSFET and you still want more speed, this gearset will do the trick. 

1,769.00 
  • SUS304 Stainless Steel construction
  • 6.01mm Bore - Extra tight!
  • For all Airsoft AEGs - Length dependant

If you're seeking a tightbore inner barrel for your DMR build, the LAMBDA ONE 6.01mm Steel Tightbore Inner Barrel for AEG is what you need. This precisely made steel tightbore inner barrel is polished to perfection on the inside and is very rigid thanks to its SUS304 stainless steel construction. 

Being of 6.01mm bore, this is one of the tightest inner barrels available, offering a slight increase in FPS when installed and excellent accuracy potential. Tolerances are equally precise, boasting a maximum of 1-micron deviation from the stated 6.01mm bore. As such, we recommend only using high-quality ammo such as G&G P.S.B.P, BLS, ASG Blaster Devil and Delta Armory Diamond BBs with this inner barrel. 

This is an AEG cut inner barrel, meaning it is compatible with any standard Airsoft AEG. Whether you're building a DMR or want improved accuracy and air efficiency from your standard FPS setup, the LAMBDA ONE 6.01mm Steel Tightbore Inner Barrel for AEG is one of the best options on the market!

2,359.00 
  • Bluetooth connectivity built-in
  • Pre-wired to Deans connector
  • Fits V3 GB AEGs & Single/Dual-solenoid HPA engines

If you're searching for an advanced MOSFET for your version 3 gearbox-equipped AEG, the ASTER II Bluetooth® MOSFET for Version 3 Gearbox from Gate Electronics is ideal. A cutting edge advancement over the original Gate ASTER MOSFET, the ASTER II boasts several quality of life improvements, more customisation options than ever before and Bluetooth 5.2 connectivity built-in, allowing you to change settings wirelessly on your smartphone or mobile device.

The ASTER II electronic trigger unit replaces your conventional trigger contacts with optical sensors, allowing for 250 different trigger sensitivity settings, burst and binary fire modes and a plethora of other functions to be programmed in using either the trigger and fire selector or the Gate Control Station App. Other programmable options include adjustable pre-cocking and adjustable active braking; perfect for the techy types to set their primary up to suit practically any build objective.

The ASTER II is compatible with any version 3 gearbox-equipped AEG and can also be used with the Gate PULSAR Single or Dual-Solenoid HPA Engines if you add the ASTER II-specific HPA cable for the appropriate engine type. If you're ready to turn your Airsoft gun into a Space Gun, the Gate ASTER II Bluetooth® MOSFET for Version 3 Gearbox is calling your name!

3,239.00 
  • Bluetooth 5.2/GCS app
  • Built-in voltage boost converter
  • Ultra-precise telemetry measurements

Turn your AEG into a TITAN with Gate's new flagship electric trigger unit (ETU), the TITAN II Bluetooth for Rear Wired V2 Gearbox with Basic Firmware.

Built-in Bluetooth 5.2 technology gives you direct access to the TITAN's settings on the fly, using AEG telemetry to allow you to use your smartwatch, STATUS and other future devices in the Gate ecosystem of devices.

The innovative gear sensor not only counts each tooth but also as the first in the world determines the direction of a gear's rotation, offering you the most precise of cycle controls in AEGs.

With mind-blowing optical trigger sensor, the TITAN II allows you  to set your hair trigger with ludicrous precision, with a whopping 50 sensitivity levels for the first millimetre of trigger movement.

The TITAN II is equipped with a multifunctional port ready for connecting additional accessories such as bolt-catch, magazine sensor, tracer in hop-up chamber and others.

3,459.00 
  • Trigger Replacement
  • Complete V3 TITAN Kit
  • Highly Advanced System

A drop in MOSFET Kit designed for Version 3 Gearbox, which are typically seen in AK and RPK Variant Rifles.

Level up your AEG and get CQB ready

Browse our full spectrum of AEG internal parts, including P90 parts that allow you to upgrade your electric SMG, as well as parts suitable for AEP mods and more. 

From steel airsoft motors to electric triggers, we only ever stock named brands we’ve tried and tested ourselves. Plus, if you want to make some changes to your airsoft gun, our expert technical team will be happy to support you - simply get in touch with us and let us know what you need. 

Our collection of airsoft upgrades is second to none, so why shop anywhere else? Browse online today for next day delivery.