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£12.99
  • Polymer construction
  • For SSP18 GBB Pistol
  • Keep one in the toolbox just in case!

If you love your SSP18 and want to keep it shooting in the long term, having a Novritsch SSP18 Complete Nozzle can't hurt! This polymer loading nozzle is compatible with Novritsch SSP18 GBB pistols and is a fantastic part to have lying around to pre-empt potential disaster, especially if you use full auto a lot. If you're very attached to your SSP18 and don't ever want it to sit around awaiting spare parts, grab this to put your mind at ease!

£44.99
  • Replacement hammer set
  • Stainless steel finish
  • For AAP-01 Assassin GBB

If you are working on your dream AAP-01 build you will want it to be performing to its maximum until the end of time. An upgraded hammer is a great way to improve your AAP-01's longevity and its resistance to wear. The CowCow SS Hammer Set is constructed from CNC machined alloy with a stainless steel finish and is highly polished for smooth operation with minimal friction.

£22.90
  • Specially Designed
  • Specialised Airflow
  • Upgrade Inner 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.

£44.99
  • Specially Designed
  • Specialised Airflow
  • Upgrade Inner 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.

£49.95
  • Specially Designed
  • Specialised Airflow
  • Upgrade Inner 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.

£19.99
Was £34.99
Save £15.00
  • Skeletonised hammer with hexagonal design
  • Compatible with Tokyo Marui Hi-capa and clones
  • Available in silver, black, or heat gradation finish


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.

£19.99
Was £34.99
Save £15.00
  • Skeletonised hammer with hexagonal design
  • Compatible with Tokyo Marui Hi-capa and clones
  • Available in silver, black, or heat gradation finish


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.

£19.99
Was £34.99
Save £15.00
  • Skeletonised hammer with hexagonal design
  • Compatible with Tokyo Marui Hi-capa and clones
  • Available in silver, black, or heat gradation finish


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.

£2.99
  • 140% Hammer spring
  • Improves recoil and slide speed
  • For Tokyo Marui EU series GBB Pistol

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.

£6.99
  • Polymer construction
  • Replacement Hi-capa feed lips
  • Fix up your old magazines 

If you have dropped a mag mid game you probably have a set of broken feed lips, but fear not! The Army Armament Magazine Feed Lips for Hi-capa GBB is designed to replace the original feed lips of AA Hi-capa magazines whether they are cracked from an accidental drop or just getting a bit worn out. 

£64.99
  • For TM / KJ Works
  • Pre-Built Hop-Up
  • Drop in kit

A pre-built drop in hop-up unit and barrel set up built by Maple Leaf with their best parts already included in it. The kit can be dropped into any Tokyo Marui / KJ Works M1911 / MEU Series gas blowback Airsoft pistol for instant results. The set includes an alloy Hop-Up unit, 60 Degree hop-up rubber and Crazy Jet Inner barrel for high performance and improved accuracy. This is perfect for those who are looking to upgrade their pistol with minimum effort.

£14.99
  • Increase FPS
  • Mock Suppressor
  • Long Inner Barrel

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.

£24.99
  • Aluminium construction
  • For Tokyo Marui EU series & AAP-01 GBB pistols
  • Each trigger comes with 3 trigger safeties in different colours

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.

£74.99
  • 70° HOP Bucking
  • For Hi-Capa Pistols
  • 6.02mm Inner Barrel

An aftermarket upgrade/replacement Inner Barrel and HOP Unit/Rubber for Hi-Capa Series Airsoft Pistols, specifically the Army Armament R601. This awesome package provides you with a Precision 6.02mm Inner Barrel, as well as a HOP Chamber, ML 70° Bucking and 'I-Key Delayer', to improve range, accuracy and precision.

The installation of this unit is relatively straightforward, and will be compatible with beginner/experienced techs.

£8.99
  • Replacement O-ring set
  • For Airsoft gas magazines
  • Fix up your old leaky mags!

If you have a pile of leaky mags, now is the time to fix them up! The WADSN Gas Magazine O-ring Repair Set includes 10 O-rings of 7 different sizes, designed to replace the O-rings of the knocker valve and fill valve in most Airsoft gas magazines. The set is supplied in a clear polymer organiser case to keep everything neat and includes a set of polymer installation tweezers to make installation without damaging the O-rings considerably easier. If you have a lot of leaky mags gathering dust, this set is the key to giving them a new lease of life!

£12.00
  • 2x Power Options
  • 6026 T9 Aluminium
  • CNC Machined Precision

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. 

£7.99
  • Stainless steel construction
  • Titanium coated
  • For Tokyo Marui Hi-capa and 1911 GBB pistols

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.

£7.99
  • Stainless steel construction
  • Titanium coated
  • For Tokyo Marui Hi-capa and 1911 GBB pistols

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.

£6.00
  • For RAVEN EU18
  • OEM Replacement
  • Fix Hammer Issues

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

£24.99
  • Upgraded HOP-up chamber set
  • Alloy construction w/steel HOP-up arm & alu tensioner
  • Compatible with most EU-series GBB pistols

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!

£4.99
  • Steel construction
  • Trigger actuator
  • For GBB pistols

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.

£5.99
Was £7.99
Save £2.00
  • Replacement part
  • Brass with rubber O-rings and a steel knocker
  • Fix up your old MK.23 magazines!

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.

£7.99
  • Silicone construction
  • Various "hardnesses" available
  • Wide "flat HOP" contact patch

The Maple Leaf Autobot HOP-up rubber has gained a reputation as one of the best upgrade components if you want to extend the range and improve the accuracy of a TM based GBB pistol, VSR/bar-10 sniper rifle, or GBBR with TM GBB HOP-up bucking compatibility. The Autobot has a wide and flat contact patch to help stabilise your BB in flight and extend your range. This bucking is also designed to ensure your BB is chambered consistently with every shot, guaranteeing impressive accuracy when compared to standard HOP-up buckings. This is the latest variant of the Autobot and is constructed from silicone instead of standard rubber, offering greater resistance to temperature changes.

£7.99
  • Replacement original part
  • For Novritsch SSP1 & SSP5
  • VSR/GBB Spec HOP-up rubber

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.

£29.74
Was £34.99
Save £5.25
  • Lightweight aluminium
  • Low-profile design
  • For left-handed shooters

Lefties rejoice! Now you can customise your Hi-CAPA with a sweet aluminium safety lever, that is specially designed for left handed folk. The length and thickness of the lever is that of a low-profile design with few protruding parts from the main body.

The safety lever is lightweight featuring a sleek custom design with minimal configuration that doesn't get in the way when operating the magazine catch or his slide stop.

£29.74
Was £34.99
Save £5.25
  • Lightweight aluminium
  • Low-profile design
  • For left-handed shooters

Lefties rejoice! Now you can customise your Hi-CAPA with a sweet aluminium safety lever, that is specially designed for left handed folk. The length and thickness of the lever is that of a low-profile design with few protruding parts from the main body.

The safety lever is lightweight featuring a sleek custom design with minimal configuration that doesn't get in the way when operating the magazine catch or his slide stop.

£11.89
Was £13.99
Save £2.10
  • For AAP-01
  • Ideal Spare
  • Fix Gas Mags

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.

£29.99
  • Alloy construction
  • 2 HOP-up arms included
  • For Umarex Glock 17, Glock 19/19X & Glock 45 GBB

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!

£2.99
  • Steel construction
  • Spring with safety & slide stop plunger
  • Original Army Armament replacement part

If you are fixing up your Hi-capa or 1911 you might need one of these! The Slide Stop/Safety Spring and Plunger includes the dual purpose slide stop/safety spring and the plunger for each, making it the perfect replacement set for those who have lost or damaged these parts. All components in this set are constructed from steel, and are designed to fit the Army Armament 1911 and Hi-capa GBB pistols but may fit others based on the Tokyo Marui internal design. 

£6.99
  • Full O-ring set
  • Replacement for original parts
  • Repair or refresh your Gas shotty!

If you have a leaky M887x series shotgun this is what you will need to fix it. Replacement complete O-ring set, useful to repair your old unloved Shotgun or refresh your well loved Shotgun.

Do you own a Gas Blowback which is in need of spare parts or repairs? Maybe you want to stock up on those vital parts that you could need the day before an Airsoft Skirmish. From Feed Lips to HOP Rubbers, O-Rings, Hammers, Complete Spares Kits and many more, we've got it all here at Patrol Base.