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£3.99
  • 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. 

£3.99
  • Stop magazine leaks!
  • Rubber O-Rings
  • Great spare parts

This is a set of spare O-rings for Novritsch SP1, SSP2 & SSP5 V2 magazines. They are the perfect replacement parts for magazines that are leaking gas. Become a maintenance master and fix your leaky mags, rather than spending extra on new ones. Should your magazine spring a leak, a spare set of O-Rings is always handy. 

Fix your Novritsch magazines so they're skirmish-ready, or have some spare parts should the worst scenario occur. The Novritsch SSP2 O-Ring Set gives your magazines a second chance at fighting!

£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!

£29.99
  • Set of 5 feed lips & gas route buckings
  • Ideal spares for ZET system M4 GBBR users
  • Fits TM M4 MWS, CYMA CGS M4 & Double Eagle GBBR mags

The CYMA CGS Feed Lips & Gas Route Bucking Set for ZET System M4 GBBR provides 5 sets of feed lips and 5 gas route buckings for your magazines, allowing you to fix up old mags or keep spares handy just in case. This set is designed for TM ZET system M4 GBBR mags and should also fit clones of the TM design, including CYMA CGS M4 GBBR mags and Double Eagle M4 GBBR mags. 

The included feed lips are an ideal spare part to have on hand; as any experienced GBBR user will know, dropping a hefty gas mag is likely to break the lips and render the magazine useless. The Gas Route Buckings are also very useful in the event your magazine develops a leak from the top, and can also help improve gas efficiency should you decide to upgrade your TM or Double Eagle M4 GBBR with a steel CGS bolt carrier group. If you're getting in deep with ZET system GBBRs, this set belongs in your toolbox!

£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.

£11.99
  • High density polymer construction
  • Replacement original part
  • For Novritsch SSP2 GBB Pistols

If you love your SSP2 and would hate to see it out of action, grab the Novritsch Nozzle Set for SSP2 GBB and keep it in the parts stash just in case! This nozzle is a replacement original part designed for the SSP2 Hi-Capa GBB pistol from Novritsch and is constructed from high density polymer. Nozzles are a known failure point for GBB pistols and as reliable as the SSP2 is, it's always wise to have spare parts so you can keep your beast of a 'Capa up and running!

£7.99
  • Alloy construction
  • Original replacement parts set
  • For Army Armament R28/R32 GBB pistols

If you lost a safety from your R28 or R32 1911 GBB pistol, this set should sort you out! The Army Armament Ambidextrous Safety Catches for R28/R32 1911 GBB Pistols includes both the left and right side safety catches, both of which are constructed from alloy. These safety catches are specifically designed for Army Armament 1911 platforms but are potentially compatible with other brands, though you may need to carry out modifications. 

£49.99
  • CNC Aluminium construction
  • Left & right safeties included
  • For Tokyo Marui Hi-Capa GBB pistols

Whether you want to spice up your Hi-Capa with some metallic accents or you need a hard-wearing manual safety which will never let you down, the Airsoft Masterpiece EDGE "ALBATROSS" Ambi Safety for TM Hi-Capa GBB Pistols will do the trick! This manual safety catch set includes the left and right side safety catches, both extended designs for easy access, complete with serrated surfaces for flawless traction. 

The ALBATROSS Ambi Safety is CNC machined from aluminium, giving it a flawless form; exactly what we would expect from a high-end manufacturer like Airsoft Masterpeice. Compatibility-wise, this set is designed specifically for the Tokyo Marui Hi-Capa GBB range but may also fit other brands, though you may need to carry out modifications. Available in a plethora of colour options, from tactical black to metallic purple, the ALBATROSS Safety from Airsoft Masterpiece EDGE is ideal for any build style or aesthetic preference!

£49.99
  • CNC Aluminium construction
  • Left & right safeties included
  • For Tokyo Marui Hi-Capa GBB pistols

Whether you want to spice up your Hi-Capa with some metallic accents or you need a hard-wearing manual safety which will never let you down, the Airsoft Masterpiece EDGE "ALBATROSS" Ambi Safety for TM Hi-Capa GBB Pistols will do the trick! This manual safety catch set includes the left and right side safety catches, both extended designs for easy access, complete with serrated surfaces for flawless traction. 

The ALBATROSS Ambi Safety is CNC machined from aluminium, giving it a flawless form; exactly what we would expect from a high-end manufacturer like Airsoft Masterpeice. Compatibility-wise, this set is designed specifically for the Tokyo Marui Hi-Capa GBB range but may also fit other brands, though you may need to carry out modifications. Available in a plethora of colour options, from tactical black to metallic purple, the ALBATROSS Safety from Airsoft Masterpiece EDGE is ideal for any build style or aesthetic preference!

£49.99
  • CNC Aluminium construction
  • Left & right safeties included
  • For Tokyo Marui Hi-Capa GBB pistols

Whether you want to spice up your Hi-Capa with some metallic accents or you need a hard-wearing manual safety which will never let you down, the Airsoft Masterpiece EDGE "ALBATROSS" Ambi Safety for TM Hi-Capa GBB Pistols will do the trick! This manual safety catch set includes the left and right side safety catches, both extended designs for easy access, complete with serrated surfaces for flawless traction. 

The ALBATROSS Ambi Safety is CNC machined from aluminium, giving it a flawless form; exactly what we would expect from a high-end manufacturer like Airsoft Masterpeice. Compatibility-wise, this set is designed specifically for the Tokyo Marui Hi-Capa GBB range but may also fit other brands, though you may need to carry out modifications. Available in a plethora of colour options, from tactical black to metallic purple, the ALBATROSS Safety from Airsoft Masterpiece EDGE is ideal for any build style or aesthetic preference!

£2.99
  • Polymer construction
  • Replacement original part
  • Compatible with Army Armament 1911 GBB series

If you have an Army Armament 1911 GBB with a broken nozzle you are in luck! The Army Armament Nozzle for 1911 GBB Pistol is a replacement original part designed for the Army Armament 1911 GBB series, including the R26, R28, R31 and R32 pistols. This nozzle may also work with TM-compatible 1911 pistols from other brands, but as always we only recommend brand mixing for the experts as this may require fine-tuning and modification.

£24.99
  • Polymer construction
  • Replacement original part
  • Includes nozzle spring

If you've had a mishap with your R36 GBBR or you want to keep spares handy just in case, the Army Armament Nozzle for R36 GBBR belongs in your toolbox! This is a replacement original part for the R36 GBBR series and may also fit WE AR36 GBBRs but we cannot confirm that. The set includes a polymer nozzle and a steel nozzle spring which is thoughtfully pre-installed, saving you some fiddling!

£4.99
  • Enhanced recoil spring
  • Speed up your cyclic rate
  • For TM Hi-capa and clones

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!

£6.99
  • Wide Flat Patch
  • For KSC GBB Style Barrels
  • Variable Degrees Of Hardness

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.

£8.95
  • For 0.4g BBs +
  • Silicon Construction
  • For VSR-10 / KJW / WE

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.

£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.

About Our All Gas Blowback Parts

Stock up on vital accessories and upgrade your weapon ahead of a skirmish with our range of gas blowback parts. From feed lips to HOP Rubbers, O-Rings, hammers, complete spares kits and many more, you’ll find it all at Patrol Base.

Ideal for a range of airsoft gun designs, our airsoft gas gun parts are compatible with green gas pistols and CO2 pistols alike, as well as our gas shotguns and beyond. 

Don’t stop there; explore our entire collection of airsoft upgrades and create your dream personalised airsoft replica, from electric internal parts to  inner barrel accessories and AEG springs.

Our airsoft experts are also on hand to provide support with your technical modifications, simply get in touch with our team today.