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£14.99
  • Two Inch Extension
  • 14mm CCW Threaded
  • Tough Alloy Construction

A two inch barrel extension for 14mm CCW threaded barrels, providing that little extra length should you wish to add a suppressor or tracer to your favourite RIF but can't because of a rail system being in the way.

£7.99
  • For 14mm CCW Suppressor
  • Allows the use of Suppressor
  • Fits to Threaded Outer Barrel

A 12mm to 14mm CCW thread adapter which will allow you to attach suppressors to your Raven only series gas blowback pistol.

£16.99
  • 117mm Long
  • 5 Versions Available
  • Add Suppressors/Tracers

A 117mm barrel extension for any AEG with a 14mm CCW thread on the end of it. Perfect if you want to use a suppressor but can't because of a barrel that is recessed far inside the rail.

£16.99
  • 117mm Long
  • 5 Versions Available
  • Add Suppressors/Tracers

A 117mm barrel extension for any AEG with a 14mm CCW thread on the end of it. Perfect if you want to use a suppressor but can't because of a barrel that is recessed far inside the rail.

£19.99
  • Extension Piece
  • 14mm CCW Thread
  • Aluminium Construction

An Aluminium constructed outer barrel for M4/M15/M16 Airsoft Electric powered replicas which features a 14mm CCW thread and an extension piece to rapidly adapt between a CQB and Carbine length barrel.

£18.99
  • For 11mm CW pistol barrels
  • Thread adapter with thread protector
  • Stainless steel construction


The A01 Silencer Adapter is intended to be used on pistols with an 11mm clockwise female threaded outer barrel, such as WE pistols. When installed, the adapter provides the common 14mm CCW male thread, allowing the majority of muzzle devices to be added. The adapter is constructed from stainless steel, and is available in black, gold or silver finishes.

£5.99
  • Anodised aluminium
  • Fits Well MB-01/04/05/08
  • 14mm CCW male thread

Take your sniper to the next level and reduce those all-important decibels with a silencer adaptor. This aluminium constructed thread adaptor allows you install muzzle devices such as suppressors and tracer units. Simply remove the barrel cap and replace it with this adaptor for a seamless transition to the muzzle device of your choice.

The adaptor provides a 14mm CCW thread to customise your replica, and is compatible with the MB01, MB05 and MB06 spring-powered Airsoft sniper rifles

£14.99
  • Alloy construction
  • 12mm CW female threads
  • For Army Armament R601 and Hi-capa GBBs

This outer barrel is a replacement original part for the Army Armament R601 JW3 GBB pistol but should also be compatible with other Army Armament Hi-capas and 1911 GBB pistols. The barrel is constructed from alloy and comes with 12mm CW female threads at the tip, leaving options open for adding a tracer unit or suppressor using a 14mm CCW male thread adapter (available separately). The barrel may also be suitable for other Hi-capa and 1911 pistols based on the original TM design but may require modifications to be made for smooth function.

The barrel is finished in bronze and has authentic looking mock locking lugs across its upper surface, with "9x19" marked on the chamber area in recessed lettering. The barrel has a standard flared profile which tapers towards the chamber, matching the more common real steel Hi-capa barrels perfectly.

£5.99
  • Anodised aluminium
  • Fits Well MB-03
  • 14mm CCW male thread

Take your sniper to the next level and reduce those all-important decibels with a silencer adaptor. This aluminium constructed thread adaptor allows you to install muzzle devices such as suppressors and tracer units. Simply remove the barrel cap and replace it with this adaptor for a seamless transition to the muzzle device of your choice.

The adaptor provides a 14mm CCW thread to customise your replica, and is compatible with the MB-03 spring-powered Airsoft sniper rifles.

£8.99
  • Fits VORSK
  • For 12mm Thread
  • Attach Suppressors

This Thread Adapter is designed for VORSK Pistols that have an 12mm Female Thread (the Thread is recessed inside the Outer Barrel). Whether you have lost the original supplied with your Pistol, or you want to install a Supressor/Tracer Unit to your Pistol, this adapter is an absolute must for those who want a standard thread (14mm CCW Male) on their sidearm.

£34.99
  • 14mm CCW Threads
  • Anodised Black Finish
  • Adjustable Grub Screw Guidance

A replacement outer barrel for M4/15/16 variants that is constructed entirely from a strong and durable Alloy.

£8.99
  • For AGM 002
  • Steel Construction
  • 14mm CCW Thread

A Steel constructed thread adapter for the AGM 002 series Spring-Powered Sniper Rifle, giving you a 14mm CCW Thread at the end of your barrel for the installation of standard Airsoft Suppressors with a matching thread. This is the perfect addition to anyone who wants to add a tactical look to their AGM 002, or conceal an extended inner barrel with a Suppressor.

£13.99
  • Aluminium construction
  • 14mm CCW male threading
  • Compatible with M4/AR-15 AEG

If you are working on your CQB build you must be looking for the shortest barrel out there, and right now, this is it! The 5KU 7" Aluminium Outer Barrel For M4/AR-15 AEG is compatible with most M4/AR-15 AEGs and is constructed from aluminium for a perfect balance between low weight and high strength. 

The barrel is threaded at the tip with common 14mm CCW male threading, meaning you can mount the most common muzzle devices on the market with ease, including tracer units, suppressors and flash hiders in various styles. Also present are grooves in the underside to allow a gas block or M4/AR-15 triangular front iron sights to be mounted, though this is not essential. If you need your M4 to be shorter this will get you halfway there, but don't forget you'll need a shorter inner barrel too! 

£8.99
  • Alloy construction
  • 14mm CCW Male thread
  • Compatible with WELL MB series

Want a suppressor on your MB series rifle? This is what you'll need. Made from Robust alloy and finished in matt black, this suppressor adaptor will allow you to add any 14mm CCW threaded accessory to your WELL MB series sniper rifle.

£9.99
  • For AK Models
  • Alloy Construction
  • Original Replacement

A replacement Gas Tube for Airsoft AK models, constructed from Alloy to the original specification as a direct replacement. If you own an AK Model and need a replacement Gas Tube or are looking at making Handguard changes, you can't go wrong with a spare.

£6.99
  • Aluminium construction
  • Fits 16mm CW Male threads
  • Mount a Swiss Arms barrel extension/silencer

If you want to mount a Swiss Arms barrel extension/silencer to your Cybergun FNX-45 GBB this is the part you need. This adapter is constructed from aluminium and fits 16mm CW male threaded outer barrels, allowing for a Swiss Arms barrel extension/silencer to be mounted to your FNX-45 Tactical or MK23 pistol.

£5.99
  • Anodised aluminium
  • Fits Well MB-02
  • 14mm CCW male thread

Take your sniper to the next level and reduce those all-important decibels with a silencer adaptor. This aluminium constructed thread adaptor allows you to install muzzle devices such as suppressors and tracer units. Simply remove the barrel cap and replace it with this adaptor for a seamless transition to the muzzle device of your choice.

The adaptor provides a 14mm CCW thread to customise your replica, and is compatible with the MB-02 spring-powered Airsoft sniper rifles

£17.99
  • Aluminium construction
  • Holds your battery inside the handguard
  • For Sig Air MPX Submachine Gun AEG

If you are rocking the Sig Air MPX and you are worried your battery will poke out of the handguard, worry no longer, Laylax have an innovative solution! The Handguard Battery Block for MPX AEG is designed to mount to the outer barrel using a grub screw and close the front end of the handguard up to stop your battery from hanging out when the SMG is pointed down. The block is constructed from aluminium with a matt black anodised finish and is styled to look like the gas block of the bigger MCX, meaning it shouldn't detract too much from the realistic looks of the MPX. This is why we love Laylax, they always come up with a nifty solution for these little niggles!

£14.99
  • 14mm CCW Male thread adapter
  • For Novritsch SSG24 Sniper rifle
  • Mount a tracer unit or suppressor

If you want your SSG24 to be more sneaky or you want to light the enemy up with a tracer unit, this thread adapter will do the trick! The 14mm CCW Suppressor Thread Adapter for SSG24 is constructed from CNC machined aluminium and replaces the front barrel cap on the Novritsch SSG24, providing 14mm CCW male barrel threads. These are the most common barrel threads used on Airsoft rifles, so with this adapter installed you have all the options in the world when it comes to customising your SSG24 and making it truly yours.

£49.99
  • Aluminium construction
  • 14mm CCW Male threading
  • For Sig Air MCX Virtus AEG

If you want to shorten your MCX down a bit or you are going for a slick integrally suppressed look for your next build this outer barrel from Laylax is just what you need. This barrel is 6.5 inches (17cm) in overall length and is constructed from aluminium for a perfect balance between low weight and strength.

At the tip of the barrel, we are treated to 14mm CCW male threading, allowing you to equip your MCX with a suppressor for sneaky duties. The tip of the barrel is wide enough to allow an inner barrel to pass straight through, meaning no need to mod it if you want to keep the original MCX inner barrel length. If installed on a standard MCX the barrel will be entirely beneath the handguard, allowing you to mount a tracer unit or suppressor without increasing the overall length of your setup and give your rifle the "Honey Badger" look. If you are adding a tracer make sure you get a shorter inner barrel as well!

£59.99
  • M-LOK Handguard, outer & inner barrel set
  • Compatible with Novritsch SSR63 A2 and SSR63 A3
  • Perfect for CQB and aggressive skirmishers

If you have the Novritsch SSR63 A2 or A3 and it is a bit long for your playstyle, this is what you need to shorten her up a bit! The Novritsch Short Conversion Kit for SSR63 A2/A3 AEG includes a "C" length outer barrel with 14mm CCW male threads at the tip, a 6.03mm tightbore inner barrel and a CNC aluminium M-LOK handguard with 20mm Picatinny rail sections in key locations. 

This set includes everything you need to transform your SSR63 A2 or A3 into the short configuration, shaving a few precious inches off the barrel so you can clear corners more effectively and have better mobility in CQB scenarios. Whether you want to hot-swap your SSR63 A2/A3 for the odd CQB game or you prefer a shorter primary to maximise aggression, this kit should suit you perfectly!

£99.99
  • 22.5" outer barrel length
  • Straight or twisted fluting
  • Anodised aluminium

Wan to bling out your VSR Bar 10? Treat your rifle with this 22.5-inch fluted barrel in your choice of either twisted or straight fluting, whichever would suit your loadout more. The PPSH barrel is constructed from extremely lightweight aluminium to help keep you light on your feet during skirmishes.

The fluting has been machined to a perfect uniformity that it sure to give your VSR/Bar-10 a sleek modern aesthetic. In real steel-rifles, fluting helps disperse heat from the barrel, as well as keep the barrel's weight down. At the end of the barrel is a 14mm female CCW thread for use with attaching tactical muzzle devices, such as flash hiders, suppressors and tracer units. Included is a thread cap if you don't fancy running any muzzle devices and like to keep things simple.

£99.99
  • 22.5" outer barrel length
  • Straight or twisted fluting
  • Anodised aluminium

Wan to bling out your VSR Bar 10? Treat your rifle with this 22.5-inch fluted barrel in your choice of either twisted or straight fluting, whichever would suit your loadout more. The PPSH barrel is constructed from extremely lightweight aluminium to help keep you light on your feet during skirmishes.

The fluting has been machined to a perfect uniformity that it sure to give your VSR/Bar-10 a sleek modern aesthetic. In real steel-rifles, fluting helps disperse heat from the barrel, as well as keep the barrel's weight down. At the end of the barrel is a 14mm female CCW thread for use with attaching tactical muzzle devices, such as flash hiders, suppressors and tracer units. Included is a thread cap if you don't fancy running any muzzle devices and like to keep things simple.

£10.99
  • Alloy Construction
  • 14mm CCW Thread
  • For MB Series Rifles

An adaptor for a Well MB sniper rifle, giving it a 14mm CCW thread for the attachment of muzzle devices.

£12.99
  • CNC Machined
  • Anodized Finish
  • Thread Protector

A simple device yet effective, designed to protect your Airsoft gun's outer barrel threads from damage during gameplay and transportation, or any other situation which might leave the threads exposed to the elements.  

£22.99
  • Steel Construction
  • Ideal Replacement
  • For LCT AKM Models

A Steel constructed Gas Block for LCT branded AKM models, ideal as a replacement to a damaged part.

£8.99
  • 14mm CCW Male threads
  • Add a silencer or tracer unit
  • Compatible with CYMA CM.702 series

If you want sneaky styling for your CM.702 M24 or a tracer to light the enemy up, the CYMA Silencer Adapter for CM.702 M24 Sniper Rifle is what you need. This adapter replaces the front barrel cap, providing 14mm CCW male threads so you can mount the most common suppressors, tracer units and other muzzle devices on the Airsoft market. 

£18.99
  • Aluminium construction
  • 14mm CCW male threaded tip
  • Fits most M4/AR-15 AEGs

If you're looking for a new outer barrel to change up the length of your M4/AR-15 AEG, the 5KU 10.3" Aluminium Outer Barrel for M4/AR-15 AEG is a fantastic option. Constructed from aluminium with 14mm CCW male threading at the tip, this 10.3-inch outer barrel is styled to match the profile of real 10.3" CQBR barrels and includes pin holes for mounting an M4/AR-15 front sight/gas block at the "carbine length" position. 

The 5KU 10.3" Aluminium Outer Barrel for M4/AR-15 AEG has the standard Tokyo Marui AEG outer barrel fitting at the rear, meaning it should fit the vast majority of M4/AR-15 platform AEGs but won't fit NGRS M4s or GBBRs. Whether you're shortening your barrel to a more CQB-friendly size or giving it a bit more length for more long-range effect, the 5KU 10.3" Aluminium Outer Barrel belongs on your M4 AEG!

£31.99
  • Original Part
  • For LCT LCK47
  • Steel Construction

A replacement Gas Block for LCT branded LCK47 models, which is made to the original specification from Steel as a replacement part.

£39.99
  • Aluminium construction 
  • 14mm CCW male threaded tip
  • For SigAir MPX AEG

If you want your SigAir MPX even shorter than it comes from the factory this kit will do it! The Laylax Outer Barrel Base & Battery Block Set for SigAir MPX includes a super short outer barrel base and the Laylax Battery Block, allowing you to install a barrel extension or a suppressor which runs beneath the handguard for the integrally suppressed look. 

This part replaces your original outer barrel with an aluminium barrel base measuring 8.5cm overall length, with 4.5cm protruding ahead of the receiver when installed. Also included is the Laylax battery block, designed to keep your battery contained within the handguard when your barrel is pointed down. The battery block won't fit over a suppressor but if you decide to fit a barrel extension it should fit any with a diameter of less than 19mm. 

About Our Airsoft Outer Barrels & Barrel Extensions

Want to shorten or extend your replica? Here at Patrol Base we have a wide variety of airsoft outer barrels and barrel extensions in a variety of lengths, shapes and sizes for a range of different airsoft 6mm BB guns. Whether you’re looking for an airsoft barrel extension or outer barrel for your submachine gun, assault rifle or sniper rifle, you’ll find it here, as well as parts to fit them with ease.

Looking to suppress your airsoft pistol or rifle but don't have a threaded barrel? We have a range of silencer and suppressor adaptors that allow them to be attached easily to your airsoft gun. Once you’ve got that sorted, browse our selection of silencers and suppressors to attach to your brand new adaptor.

You can browse our entire airsoft outer barrel and barrel extension offering online or get a feel for them in person at our Huddersfield store.