Gas Blowback Internal Parts

Whether your HOP-up rubber is worn out or you are seeking an upgrade, the Novritsch HOP-up Bucking for SSP1/SSP5 GBB pistol is one to keep an eye on. This HOP-up bucking is a big reason that Novritsch pistols have such incredible range, and being a VSR/GBB style HOP-up rubber, this should be compatible with most TM-based GBB pistol designs as well as the VSR-10 sniper rifle series. 

Looking for more recoil from your EU series GBB pistol? Installing a stronger hammer spring should do the trick! This 140% Hammer Spring from CowCow replaces the original hammer spring in your Tokyo Marui based EU series pistol and provides additional force for each hammer strike, releasing more gas and providing higher FPS and improved recoil and slide speed! This part is constructed from high strength spring steel and is hard-coated to prevent corrosion.

An ideal replacement for any low powered or leaking CO2 pistols and revolvers produced by ASG. 

An upgrade or replacement stock sear spring for gas blowback pistols. The spring is made of robust steel and therefore will hold its shape better than stock springs, which is perfect for keeping your trigger action to be short and crisp. Due to the springs high tolerance, there would be no need to shave it down to fit in your grip.

So you have yourself a snappy pistol, but you want MORE speed? If you say so! The RS1 recoil spring from CowCow replaces your original recoil spring and will increase the speed at which your slide returns to battery, increasing the cyclic rate. Perfect for those who need that extra bit of speed!

A replacement Hammer and Spring for the RAVEN EU18 automatic gas-powered pistol.

An absolute monster of an upgrade to make to your weapon. The external surface is ribbed to keep your inner barrel more stable inside your hop up unit with next to no play at all after you have fully re-assembled your Airsoft weapon.

A replacement or spare Outlet / Knocker Valve for the Tokyo Marui MK23 SOCOM NBB Pistol. If you own plenty of Magazines and want to keep them in tip-top condition, then you're going to want a few Knocker Valves spare in your arsenal. They are incredibly easy to install, provided you have an appropriate Valve Key on standby. You can use other tools to install them, but this is not recommended as you could damage the Valve.

Is your AAP-01 not fast enough? The CowCow Aluminium Buffer for AAP-01 is designed to satisfy even the most ravenous appetite for speed! This set includes two recoil rod spacers which are CNC machined from 6061 aluminium to provide a great balance between strength, precision and low weight. Adding one or two of the spacers to your guide rod will reduce the length of travel of the AAP-01 bolt and speed up the already impressive cyclic rate of the AAP-01 in both semi-auto and fully automatic fire.

If you are building out your dream Airsoft Hi-capa GBB pistol, the CowCow Stainless Steel hammer strut would be a great addition if you require an improved trigger feel and better mechanical engagement. This part is constructed from stainless steel with a titanium coating to prevent corrosion and warping. When installed into your TM based Hi-capa or 1911 GBB this part should help improve shot to shot consistency and provide longevity far beyond the original parts.

If you are building out your dream Airsoft Hi-capa GBB pistol, the CowCow Stainless Steel hammer strut would be a great addition if you require an improved trigger feel and better mechanical engagement. This part is constructed from stainless steel with a titanium coating to prevent corrosion and warping. When installed into your TM based Hi-capa or 1911 GBB this part should help improve shot to shot consistency and provide longevity far beyond the original parts.

A high quality replacement Hop up rubber, made to 70 degrees of hardness, and designed for VSRs, as well as KJW and WE Airsoft designs.

The CowCow Trident Sear spring is designed to replace your original sear spring, and features revised contact surfaces which have been narrowed to prevent excessive friction with other parts. If you are building a high speed Hi-capa or 1911, this is perfect for the job!

The Competition Recoil Buffer Module from CowCow is designed to shorten the travel of the slide of your pistol, increasing its cyclic rate. The set includes 8 recoil buffer pads of varying hardness which can be stacked in various combinations to fine tune your pistol for optimum speed.

If your grip safety is worn out, this replacement should cure that! The KJ Works Grip Safety for 1911 GBB Pistols is a replacement original part for the KJ Works 1911 GBB pistol series but should also fit most Tokyo Marui and TM clone 1911 GBB pistols. The grip safety is constructed from alloy and finished in black. Please note, this part may require modification to install and as such we recommend it only to experienced Airsofters with a decent amount of tech knowledge.

Precision CNC machined from high quality T9 aluminium, this set of two power down valves allows users of certain gas powered KSC/KWA branded Airsoft guns to reduce their output FPS to a more game-safe level. 

The MEC M-Valve from PTS is designed to improve gas efficiency and speed up the cyclic rate of your Tokyo Marui EU17 GBB pistol. The valve is constructed from high strength brass with rubber O-rings and should help improve the performance of your pistol in cold weather, and speed up the cyclic rate if you have installed a heavy steel slide.

The MEC M-Valve from PTS is designed to improve gas efficiency and speed up the cyclic rate of your KWA/KSC GBB pistol or SMG. The valve is constructed from high strength brass with rubber O-rings and should help improve the performance of your pistol in cold weather, and speed up the cyclic rate if you have installed a heavy steel slide or bolt.

If you want your AAP-01 GBB to be running at its absolute best an enhanced nozzle would be a great choice to get the most out of this impressive platform. The CowCow Enhanced Plastic Nozzle Set includes an enhanced nozzle, nozzle valve, valve lock pin, valve spring and enhanced piston head, and when installed these parts should improve the shot to shot consistency, provide smoother cycling performance and improve the rate of fire of the AAP-01 Airsoft GBB.

A replacement or spare Outlet / Knocker Valve for the Action Army AAP-01 Assassin Pistol. If you own plenty of Magazines and want to keep them in tip-top condition, then you're going to want a few Knocker Valves spare in your arsenal. They are incredibly easy to install, provided you have an appropriate Valve Key on standby. You can use other tools to install them, but this is not recommended as you could damage the Valve.

If you are looking for reliable long term performance from your EU series GBB pistol, AAP-01 Assassin or Umarex/VFC pattern Glock GBB pistol, CowCow are here to provide! This replacement fire pin lock is constructed from stainless steel using precise CNC machining and is polished using MAF polishing technology for smoother function with less friction. The stainless steel construction of this part prevents warping under heavy use, and guarantees reliable long term performance, assuming the rest of your pistol is working fine!

A kit which allows you to increase your FPS and Accuracy of your Gas Blowback WE Europe Pistols by extending your Pistol's Inner barrel.

If your MK23 is getting a bit worn out, we have the cure right here! Introducing the Tokyo Marui MK23 Hammer set, a set comprising of an alloy hammer, alloy valve knocker, and steel hammer spring. These parts are a drop-in replacement for your original MK23 components, and will not require any modification. Treat your SOCOM to some fresh parts for more *thud thud* "HIT!" action!

An upgraded hammer is a great foundation to any upgraded AAP-01 build, especially if you are an HPA user! The CowCow SS Hammer is CNC machined from strengthened alloy with a stainless steel finish, and MAF polishing technology is applied to its exterior surfaces to reduce friction between parts and ensure smooth operation of the pistol.

A new unique range of barrels by Maple Leaf designed to produce consistent air flow and pressure behind every BB as it leaves the barrel.

A new unique range of barrels by Maple Leaf designed to produce consistent air flow and pressure behind every BB as it leaves the barrel.

If you want to add a touch of style to your plain jane EU series or AAP-01 GBB pistol, the CowCow Tactical Trigger is a great way to set your pistol out from the crowd. This trigger is available in three colour options; matt black for a more tactical look, silver for a touch of class, or gold for those after a "loud and proud" look. 

Each colour option includes even more options when it comes to the trigger safety extension, as each set comes with a red, gold and black extension piece to choose from. This trigger is a partially flat design for additional speed but also includes a finger ledge to prevent your spritely trigger finger from slipping off. This trigger is designed for the Tokyo Marui EU series of GBB pistols and is also compatible with the Action Army AAP-01 and AAP-01C, but may also fit some other EU pistols based on the TM design.

If you want your sidearm to be capable of really reaching out, a HOP-up upgrade should be top of your list! The Maple Leaf HOP-up Chamber for VFC/WE/TM EU-Series GBB is constructed from alloy and supplied with a steel HOP-up arm and aluminium "I-key" style tensioner, promising tighter tolerances than the stock HOP-up unit which should translate to better air seal qualities, consistency and thus better accuracy downrange.

This set is compatible with VFC, WE and Tokyo Marui EU-series GBB pistols but should also fit most Tokyo Marui clone EU-series pistols, though as always, we recommend upgrade parts only for the knowledgeable and confident!

If you want to upgrade your Umarex Glock and build a sleeper of a long ranged pistol setup, this is the HOP-up unit you need! The Maple Leaf HOP-Up Chamber for Umarex/VFC Glock is compatible with the Umarex/VFC Glock 17, Glock 19, Glock 19X and Glock 45 GBB pistols and is constructed from alloy for improved strength. The unit is supplied with two HOP-up arms with one pre-installed, giving you a spare to keep handy or modify for some experimental HOP-up setups. 

The tolerances of this unit are far more precise than the original, offering better air seal and gas efficiency, translating into better effect on target and better consistency. If you want to shock the enemy by landing a hit with your pistol at long range, the Maple Leaf HOP-Up Chamber for Umarex/VFC Glock is the key!

If you are planning a Hi-capa overhaul the Custom Hammer from Laylax Nine Ball is a great choice to not only improve the feel of your trigger but add some style points too. This hammer is a skeletonised design with weight-reducing ports machined into the hammer in a hexagonal shape, giving the hammer an ultra-modern look. The hammer is constructed from aluminium, keeping the weight low for maximum performance whilst boasting added strength when compared to most alloy hammers provided out of the box.