All Electric Parts

An ultra compact Generation 3 MOSFET built to be as compact as possible, requiring the smallest amount space possible, and is water resistant.

Building a gearbox from scratch? You'll need a shell to get started! The ARCTURUS Version 3 Alloy Gearbox Shell is a reinforced design with a radiused cylinder window, additional material surrounding the cylinder for extra strength and 8mm bearing holes. The rear of the gearbox is also cut for a quick change spring guide. 

The version 3 shell is common to AK, AUG, AR36 and SMG-5K AEGs (not the regular SMG-5, though) so if you need a gearbox shell for any of these platforms this one will be compatible in most cases. 

If you're the techy type and are seeking a smooth, buttery-sounding gearbox with maximum efficiency, helical gears must be on your shopping list! The Lonex Spiral Bevel Gear & Helical Pinion Gear for V2/3 Gearbox includes a pinion gear and bevel gear, both constructed from steel for maximum strength. The included pinion gear is an "O type", designed for O-type motor shafts and not compatible with D-type shafts. 

These gears differ from standard bevel and pinion gears in the angle of the teeth, cut in a helix shape and designed to increase torque and efficiency. This also means the gearbox report will be far quieter with these installed, though strong bushings are recommended for the bevel gear due to the increase in axial thrust force generated. Naturally, this set is ideally used by a techy skirmisher with the prerequisite knowledge needed to bring out the best performance and longevity from their setup. 

If you're working on a high-speed or high FPS gearbox, the FPS Softair Carbon Fibre Reinforced Tappet Plate for V3 Gearbox is essential. This hard-wearing tappet plate is constructed from carbon fibre-reinforced polymer, making it strong and flexible in equal measure. We've had superb results installing the Version 2 equivalent of this tappet plate in Bolster Armouries builds and if you seek similar performance we would wholeheartedly recommend this plate over others.

This Carbon Fibre Tappet Plate is compatible with any version 3 Airsoft gearbox, including those found in AUG, AR36, AK & S55x AEGs. Whether you're building a DMR or a beast of a high-speed setup, the FPS Softair Carbon Fibre Reinforced Tappet Plate for V3 Gearbox is the ideal upgrade to keep it feeding!

Upgrade your AEGs gearbox to improve shot consistency thanks to a better air seal. The cylinder head is constructed from CNC Ergal and is anodised with a smooth surface finish, precisely engineered so that the tolerance is not affected. Features powerful built in UREPAN bumper that absorbs the shock from the piston head.

This cylinder head is suitable AK47, AK74, KURZ / PDW, SIG, GALIL or any version 3 gearbox AEG and is compatible with ICS, Tokyo Marui, Classic Army, VFC and more. The hardness of the yellow rubber is 60 degrees shore, with a good balance between air seal and strength making it suitable for use in a custom DMR, as well as helping to protect the gearbox and reduce noise.

If you want to add a more elite look to your M4 or you want a more snappy, responsive trigger, this should do the trick! The MAXX MODEL Advanced Speed Trigger for M4/AR-15 AEG; Type E is compatible with any M4/AR-15 AEG which uses a version 2 gearbox and is adjustable for both pretravel and overtravel, allowing you to cut out any unnecessary movement and lay down a hail of fire far more efficiently. 

The trigger is machined from a single piece of aircraft-grade aluminium using CNC processes, with a separate titanium pivot pin for maximum durability. The trigger shape is intended to provide a natural trigger position for the vast majority of hand sizes and has chamfered edges and three rubber pads to ensure comfort, enhance traction and provide positive control of the trigger. Either for use on its own or paired with an ETU/MOSFET, the Advanced Speed Trigger is ideal for CQB builds, DMR builds and others which prioritise trigger response!

If you are looking to upgrade your HOP unit, in most cases these days there isn't much to gain if you already have a rotary unit in your gun. This is the exception! Krytac has taken the rotary HOP unit and added in audible and tactile clicks when you adjust, locking the unit in its set position and allowing you to adjust accurately even in low light conditions! The unit also has engraved numerical setting indicators around the adjuster, allowing you to keep track of which setting works best with which BB weight, avoiding the trail and error! This package also includes a KRYTAC HOP rubber.

If you're working on a beast of a build bristling with all the best parts out there, this is the motor you need to finish it off! The Gate G5 Smart Brushless Motor combines brushless motor technology with a programmable ESC module, allowing you to adjust the motor revolution rate between 10K RPM right up to an insane 46K RPM!

The advantages of running a brushless motor are numerous, the most important of which is a far higher torque-to-weight ratio than conventional motors. The lack of brushes means there is less to go wrong, and the motor is far quieter when running, guaranteeing a longer lifespan of smooth running performance. Another brushless motor perk is their ultra-low heat build-up, ensuring you get let rip with long, lavish bursts guilt-free!

While a brushless motor really is a game-changer once installed, we only recommend adding one to your build if you're confident working on Airsoft internals and are ready to reinforce the right parts to keep it running. If you're the techy type and want to keep your primary at the cutting edge of Airsoft performance, the Gate G5 Smart Brushless Motor belongs inside!

If your AEG shoots hard you may want some hard internal parts to secure its performance in the long term! The Laylax Hard Anti-Reversal Latch for V2/V3 Gearbox is constructed from hardened steel to cope with even the most ferocious build. The set includes the anti-reversal latch itself and the ARL spring and is compatible with all Airsoft AEGs which use the Version 2 or Version 3 gearbox type.

If you have stripped your piston and need a replacement, here ya go! The KRYTAC Piston & Piston Head Assembly V2 for M4/AR-15 AEG is a replacement original parts set including a polymer piston with a 4-tooth steel rack and a polymer piston head with pre-installed O-ring. The set is designed for the Krytac Trident AEG series but is compatible with M4/AR-15 AEGs equipped with a version 2 gearbox. 

FPS Softair brings you a super high quality M4 piston with a technopolymer body and a full rack of steel teeth for a good combination of high strength and low weight. This is compatible with Tokyo Marui NGRS M4 gearboxes, aka the Version 9 gearbox. Please note, this piston is not compatible with the TM NGRS SCAR-L or SCAR-H. 

The loaded technopolymer assures great mechanical resistance and dimensional precision. The rack was manufactured through the use of MIM (Metal Injection Moulding) technology since this production process guarantees dimensional accuracy and sturdiness equal to those of solid machining.

Currently considered the best for this type of use, the metal injected is SAE 4650 steel. The sliding guides are designed to minimize friction and hold the lubricant for a long period of time, so you can be safe in the knowledge that your AEG will have reliable and long-lasting cycle functionality.

If you're thinking of making a gearbox from scratch or you've had a disaster with your current anti-reversal latch or ARL spring, the VFC Anti Reversal Latch For V2 Gearbox will sort you out! This set includes a steel ARL and spring steel ARL spring, making this ideal for upgraded AEGs with strengthened gearsets.

The anti-reversal latch in your airsoft electric gun is responsible for preventing reverse motion of the gears, which could cause damage to your piston and gears if it happens during a cycle of the gearbox.

This Anti-reversal latch set is intended for version 2 gearboxes and is a great spare or repair to have in your toolbox for those who like a bit of DIY when their AEGs stop cooperating. If you've lost that awkward little ARL spring, this set offers an easy route to replacing it for relatively cheap too!

If you're working on a gearbox build, FPS Softair 8mm Self Lubricating CNC Steel Bushings will give your build a long life of friction-free performance! Constructed from CNC machined steel, these 8mm solid bushings are compatible with any AEG gearbox which uses 8mm bushing/bearing holes. 

The advantage of solid bushings over ball-bearing bushings is their incredible strength, ideal for high-performance builds whether it's a DMR or DSG. If you're pushing the limits of Airsoft performance, FPS Softair 8mm Self Lubricating CNC Steel Bushings belong in your build!

Are you having HOP-up troubles with your ARCTURUS AK platforms? This is exactly what you need! This ARCTURUS Polymer Rotary Hop-Up Unit W/Magwell Spacer For Ak Serie 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.

The Magwell Spacer is designed to fit into the magazine well of any ARCTURUS AK and fill the gap between the HOP-up unit and the front of the magazine well to protect it and prevent over-insertion. 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!

If you're looking for a cheap HOP-up upgrade with no performance compromise, the S&T ZCI Rotary HOP-Up Unit for M4/AR-15 AEGs is ideal! Widely respected by techs, this polymer rotary HOP-up chamber is made by ZCI Leopard, boasting wide compatibility and tight tolerances, producing superb results with a wide variety of AEG HOP-up bucking and nub combinations.

The set includes everything you need to assemble the HOP-up unit, other than the inner barrel, packaged with a silicone HOP-up bucking designed and a standard cylindrical nub ideal for medium power replicas (350 FPS and up). If you're all about cost-effective upgrades, the S&T ZCI Rotary HOP-Up Unit for M4/AR-15 AEGs belongs in your parts stash!

Upgrade your Lee Enfield with a superior cylinder. Tough and durable, the cylinder is specifically for the Lee Enfield S.M.L.E No. 1 MK III, with the cylinder set constructed from stainless steel and Teflon coated, to reduce piston friction. As a result the set can work with high-power springs. 

If you're looking for a strong and lightweight nozzle for your P90, check this out! The FPS Softair CNC POM Nozzle with O-ring for P90 AEGs is made from CNC POM polymer, a massive upgrade from the factory polymer nozzles present in TM P90s and clones. The nozzle also includes an internal O-ring to maximise air seal and its ultra-strong POM construction is ideal for high rate of fire or high FPS setups.

FPS Softair is a fantastic company, offering high quality upgrades for unbeatable prices, all designed and manufactured in Italy. The techs at FPS recommend lubricating the nozzle step of your piston head before installation using silicone lubricant. If you're working on a beast of a P90 build and want it ready for anything, the FPS CNC POM Nozzle with O-ring for P90 AEGs is what you need!

If you are having trigger issues with your ARCTURUS AK AEG this replacement original part set should cure it! The ARCTURUS Microswitch V3 for ARCTURUS AK series includes the microswitch itself, a Deans/T-plug battery connector and spade connectors all wired together for a relatively simple installation procedure. The set should not require soldering to install, but as always, we recommend a certain level of confidence and expertise if you plan on installing this part.

Upgrade your M4/M16 AEG. with an FPS Softair Stainless Steel Cylinder and increase its reliability and performance. The cylinder has a high strength and is resistant to fatigue with increased durability. The cylinder is made for use with version 2 or 3 gearboxes, compatible with Tokyo Marui derived designs, with barrel lengths of 301 to 400mm.

If you've had motor issues and need a cheap replacement, here you go! The CYMA High Torque Neodymium Magnet Motor; Long Shaft is a high-torque upgrade motor for M4/AR-15, SMG-5 (not K), M14, G3 and P90 AEGs. This is the perfect upgrade part if you want to crank up your trigger response for some snappy semi-auto work or increase torque to handle high-power springs. The set includes a pre-installed D-type pinion gear and pinion spring, both of which are pre-installed on the shaft.

Upgrade your AEGs piston head to improve air seal and increase the efficiency of airflow through the cylinder. This piston from FPS Softair has ports on the front to push out the O-ring as it moves forwards, this ensures that all of the air in the cylinder is being pushed out to propel the BB.

Constructed from CNC aluminium Ergal, which has been anodised, the piston head features a smooth precise surface. The piston head has ports on the front to push out the O-ring as it moves forwards, this ensures that all of the air in the cylinder is being pushed out to propel the BB.

The ball bearings help reduce tension created by the spring compressing and expanding, this combined with a ball bearing spring guide is the optimal set up to keep your spring in good shape.

This is the most advanced version with 6 ventilation holes for higher speed and rate of fire, double O-ring and ball-bearing. This head is designed for version 2 and 3 gearboxes but may fit other types.

Generation 3 Micro Computer Controller Chip Set designed to add a huge variety of functionality to Airsoft AEG. The chip is built to be as compact as possible, requiring the smallest amount space possible, and is specially coated to the Military Specification (Mil-Spec) MIL-V-173C.

If your CYMA MOSFET has met its end, or you want a cheap and cheerful upgrade, the CYMA MOSFET for V2 Gearbox is ideal. This MOSFET is a replacement original part for the CYMA Platinum AEG series and should work with any AEG which uses a version 2 gearbox. When installed, this MOSFET should improve trigger response and rate of fire, along with eliminating the chances of your trigger contacts becoming corroded. 

The MOSFET is pre-wired with two sets of spade connectors and you can choose between rear-wired and front-wired configurations. Please note, certain gearboxes will need modification to install this MOSFET/ETU unless they already have a slot in the shell designed for an electronic trigger. We only recommend this part for experienced users! 

If your CYMA MOSFET has met its end, or you want a cheap and cheerful upgrade, the CYMA MOSFET for V2 Gearbox is ideal. This MOSFET is a replacement original part for the CYMA Platinum AEG series and should work with any AEG which uses a version 2 gearbox. When installed, this MOSFET should improve trigger response and rate of fire, along with eliminating the chances of your trigger contacts becoming corroded. 

The MOSFET is pre-wired with two sets of spade connectors and you can choose between rear-wired and front-wired configurations. Please note, certain gearboxes will need modification to install this MOSFET/ETU unless they already have a slot in the shell designed for an electronic trigger. We only recommend this part for experienced users! 

If your AK AEG needs a revamp, the S&T Complete V3 Gearbox w/ Micro Switch for AK AEGs is the easiest way to give it a new lease of life. This is a complete version 3 gearbox fitted with an AK nozzle, selector plate and top cover retention latch, though if you run an AR36, SG55x or SMG-5K you can swap these parts out for your original bits and use this gearbox in your replicas too. 

Inside, we have an impressive set of internal parts including 18:1 CNC steel gears, 8mm bushings, a steel quick change spring guide, a polymer piston with a full steel tooth rack, a CNC steel cylinder and CNC aluminium piston and cylinder heads. The wiring is low resistance and fitted with a mini-Tamiya connector, wired to suit front-wired and top-wired AK AEGs. The trigger is the "micro-switch" type, improving trigger response and longevity when compared to conventional copper trigger contacts. 

Complete gearboxes are the easiest way to fix gearbox issues for those who are less technically confident or those who don't have time to fiddle with the internal parts of their pride and joy. Whether you've got an AK AEG to fix, are working on a custom build or want a gearbox to learn the technical aspects of the hobby, the S&T Complete V3 Gearbox w/ Micro Switch for AK AEGs is a fine choice!

If you are looking for a high end gearbox shell to start your ultimate AEG build, stop looking, you found the best there is! The Gate EON gearbox shell is CNC machined from 7075 aluminium for a strong and lightweight gearbox with a plethora of small enhancements that make this gearbox a dream to put together.

The cylinder window is radiused on all corners and the shell has some significant reinforcements at the front end, and along the top spine. The internal wire routing has been redesigned for ease of installation, and the shell is perforated with several inspection windows so you can set your angle of engagement, adjust your pre-cocking settings and shim your gears perfectly. Is this the ultimate Airsoft gearbox? Well, it will be, once you've built it!

If you are looking for a high end gearbox shell to start your ultimate AEG build, stop looking, you found the best there is! The Gate EON gearbox shell is CNC machined from 7075 aluminium for a strong and lightweight gearbox with a plethora of small enhancements that make this gearbox a dream to put together.

The cylinder window is radiused on all corners and the shell has some significant reinforcements at the front end, and along the top spine. The internal wire routing has been redesigned for ease of installation, and the shell is perforated with several inspection windows so you can set your angle of engagement, adjust your pre-cocking settings and shim your gears perfectly. Is this the ultimate Airsoft gearbox? Well, it will be, once you've built it!

A drop in MOSFET Kit designed for Rear Wired Version 2 Gearbox, which are typically seen in M4 Variant Rifles. This variation of the Kit comes with the MOSFET Unit and the USB-Link. This light version of the kit does not include the tactical programming card.

A drop in MOSFET Kit designed for Rear Wired Version 2 Gearbox, which are typically seen in M4 Variant Rifles. This variation of the Kit comes with the MOSFET Unit and the USB-Link. This light version of the kit does not include the tactical programming card.

If you are planning to upgrade your Tokyo Marui NGRS system M4, this nozzle will be an asset to your build. The FPS Softair CNC ERGAL Air Seal Nozzle For TM NGRS M4/AR-15 is a vast improvement over the stock polymer air nozzle thanks to its highly robust CNC ERGAL (7075 aluminium alloy) construction and internal O-ring which should provide better air seal and a slight raise in FPS as a result.

The nozzle also comes with a pair of O-rings and has an anodised finish, providing a super smooth friction-free coating which will see your NGRS M4 working at peak efficiency.