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35.99
  • Long or Short
  • 14mm / 24mm
  • CNC Aluminium

This Airsoft Suppressor is a replica of the PBS-1 which is designed for AK Platform rifles in the real world, but will work with anything that has either a 14mm CCW or 24mm CW Thread. This means it will fit to any replica with a standard thread, but can also directly thread to the Outer Barrel of AK models that have the appropriate thread (such as LCT branded AKs).

47.49
  • Long or Short
  • 14mm / 24mm
  • CNC Aluminium

This Airsoft Suppressor is a replica of the PBS-1 which is designed for AK Platform rifles in the real world, but will work with anything that has either a 14mm CCW or 24mm CW Thread. This means it will fit to any replica with a standard thread, but can also directly thread to the Outer Barrel of AK models that have the appropriate thread (such as LCT branded AKs).

100.99
  • Classic PBS-1 AK suppressor
  • Available in short or regular length
  • 24mm CW thread with 14mm CCW adapter

If you are an AK rifle fan you may be feeling left out with all the modern, westernised spitfire tracer units entering the market right now, but 5KU are here to get you into the muzzle flash game! The 5KU PBS-1 Spitfire Tracer Unit is styled after the Soviet-era PBS-1 AK suppressor and includes apparatus to mount the unit on either 24mm AK threads or more common 14mm CCW male threads found on almost all Airsoft rifles. If you are after a more stealthy look for your AK, with the added benefit of being able to use tracer BBs and dazzle the enemy with an ultra-bright muzzle flash effect, the 5KU PBS-1 Spitfire Tracer Unit is what you need!

76.99
  • Steel folding/mounting mech
  • Aluminium stock body with folding butt plate
  • For 1913/20mm Picatinny stock adapter/MPX/MCX

If your primary weapon is boasting a 1913/20mm Picatinny stock setup you now have some fresh new stock options thanks to 5KU! The 1913/20mm Picatinny Folding Skeleton Stock w/Folding Butt Plate is designed to mount to any 20mm Picatinny rail, but please, don't mount it to your handguard!

The stock itself is constructed from aluminium with weight reducing cuts throughout, and the folding/mounting mechanism is constructed from steel to provide the prerequisite strength. This stock is ideal for super compact setups with its folding butt plate, and its raised cheekpiece provides superb sight alignment. This stock can be mounted directly to the Sig Air MCX or MPX, or any AEG with a 1913/20mm stock adapter, providing an ultra-compact solution when folded, with full functionality when deployed! Get this on your MPX, it deserves it!

88.99
  • Tracer unit with muzzle flash
  • Fits 14mm CCW male threaded barrels
  • KP-9 Replica - Perfect for PP-19-01 AEGs and other SMGs

If you are looking for a Tracer Unit with Russian styling the KP-9 Spitfire Tracer Unit from 5KU is one to keep an eye on. This device is based on the real world DT KP-9 flash suppressor used by Russian Special Forces with their PP-19-01 SMGs and is ideal for any 9mm style Airsoft SMG but will fit any Airsoft rifle with a 14mm CCW male threaded barrel.

This KP-9 isn't just about the looks either, inside you will find a Spitfire Tracer insert which illuminates green tracer BBs and provides a realistic muzzle flash effect each time you fire. The unit can be operated in flash only, tracer only or tracer and flash mode, giving plenty of options for the aggressive, the realism focussed and the more stealthy playstyles out there. Whether you run a PP-19 AEG or you are looking for the most menacing looking Spitfire tracer unit out there, this will do the trick!

35.99
  • CNC aluminium construction
  • 14mm CCW female thread
  • Front cut grooves and port holes

SKU bring us an imitation of the Russian SF 9x19 flash suppressor made high quality CNC aluminium. With a large, rounded and aggressive aesthetic, the very front of the suppressor sports cut grooves and port holes to compensate the flash in the real world equivalent.

Most often seen on SMGs such as AK47s, KP9s, MP5s and Scorpions, this Airsoft replica suppressor utilises a 14mm CCW female thread so it can be fitted to any thread or adaptor that sports the corresponding male 14mm thread. With a padded foam interior that muffles your shots, this suppressor gives you what you need to sneak around and get those stealth kills in style!

118.49
  • Tracer / suppressor combo
  • Rotating cam lock
  • Low profile front breacher

Used by the UKSF, this replica suppressor doubles as a tracer unit and attached to your 14mm CCW outer barrel and provides an ultra-realistic muzzle device experience. Featuring a clean, well-weighted alloy design with an aggressive low profile front muzzle.

94.99
  • Full alloy construction
  • Tri-Lug attached
  • Fluted design

For all you serious SMG5 lovers out there in need of a tracer, this is the one for you! Featuring robust full alloy construction with a smooth, brushed finish for a lightweight build and sleek design.

The tracer unit sports a fluted design, which in the real world equivalent would help displace heat, however even though this is an Airsoft replica the fluted design does have other practical benefits such as reducing weight to prevent your weapon from becoming too forward heavy.

Featuring a tri-lug muzzle attachment method, the tracer can be quickly attached and detached on the fly if you need to switch up your shooting style during gameplay and it can be used on other replicas with a tri-lug device (see special instructions).

35.99
  • Aluminium construction
  • Zco Style Russian VFG
  • Mounts to 20mm Picatinny rails

If you want to add a grip to your railed AK platform but want to keep it Russian, this is the grip you need! The 5KU Aluminium Russian Compact Foregrip; 20mm Picatinny is constructed from aluminium with a ribbed external design to improve handling and add traction. Inside the grip, we are also treated to a storage compartment designed for CR123a batteries, though you can store other items inside (we use ours for sweets). 

This grip is based on the popular Zco-style vertical grip often seen on styled-up AK platforms with other Zco furniture. If you want to add modern attachments to your railed AK but want to keep it purely Russian, this grip belongs on your gat!

53.49
  • Quick detachable
  • Various lengths available
  • Gives your rifle the sneaky look

If you are looking for a suppressor you can quickly and easily remove as and when it suits you, these are what you are looking for! Available in 3 different lengths to suit any situation, the 5KU Special force suppressor gives a serious and aggressive look to your AEG and alters the muzzle report to make you harder to locate!

18.99
  • 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! 

65.49
  • Shotgun Tracer Unit
  • Styled to match real breaching chokes
  • For Shotguns - 22.5mm or 23.5mm barrel diameter

If you need some tracer action in your life but you run a shotgun, the 5KU Tracer Choke for Shotguns is what you want! This aggressively styled tracer unit mimics real steel shotgun breaching chokes and provides muzzle flash and tracer functionality to any Airsoft shotgun with an outer barrel with a 22.5mm or 23.5mm outer diameter.

The tracer mounts via 4 grub screws on the collar using friction, and we recommend ensuring the screws are properly tight and the unit is mounted straight before testing it out. The activation button is located underneath the rear collar, as is the USB Type-C charger port for the integral rechargeable battery, requiring the rear collar to be unscrewed to access. Available modes include tracer with muzzle flash, tracer only and muzzle flash only, ideal for those who want all the fire but none of the tracer and those who want tracer functions without lighting up the room and giving their location away. 

Two variants of the Tracer Choke are available to suit different shotguns; one for 22.5mm outer diameter barrels and one for 23.5mm. Make sure you measure up before ordering! If you grace CQB sites with a trusty shotgun at your side, the 5KU Tracer Choke for Shotguns is a must!

15.49
  • 20mm RIS/RAS
  • For Ironsight Block
  • Fits AKS-74U Variants

An Aluminium constructed Rail Mount for AKS-74U Platform Airsoft Replicas, which will install to the Rear Ironsight Block and provide a 20mm RIS/RAS Rail for installing a Red Dot Sight. If you own an AKS-74U and you want to start decking it out with bells and whistles, then this is an ideal place to start.

15.49
  • Aluminium construction
  • Mounts to the rear sight of AKS-74U rifles
  • Provides 8cm of 20mm Picatinny rail

If you want a red dot sight on your AKS-74U but aren't a fan of the Russian side rail, 5KU has what you need! The 20mm Rear Sight Rail for AKS-74U AEG/GBBR is designed to mount over the rear iron sight of AKS-74U rifles, both the AEG and GBBR variety, providing a length of 20mm Picatinny rail measuring 8cm approximately. 

The part is constructed from aluminium to provide a great balance of strength and low weight and should fit most AKS-74U Airsoft guns on the market, though some may require slight modification. If you want to mount a red dot sight for faster target acquisition but still want to be able to fold your stock for tight quarters, the 5KU 20mm Rear Sight Rail for AKS-74U AEG/GBBR is the key!

59.49
  • Quick detachable
  • For 14mm CCW threads
  • Includes four-prong steel flash hider

Looking for a mini-suppressor you can add and remove when you feel like it? Check out the Dummy Special Force Sound Suppressor from 5KU! Mimicking a real firearm suppressor, this thing functions more like a sound amplifier for Airsoft purposes and gives your primary and intimidating muzzle report.

82.99
  • Aluminium construction
  • 14mm CCW threads
  • 9mm Vityaz style AK tracer unit

If you have had your eye on one of the super cool new spitfire tracers on the market but would prefer it in a more AK-friendly design, we have just what you need! The Vityaz Spitfire Tracer unit from 5KU combines the awesome functionality of a spitfire tracer unit, with its realistic muzzle flash effect and tracing function when used with tracer BBs with the unique looks of a Russian designed suppressor. 

17.99
  • Replaces rear sight
  • Provides 8 Picatinny rail slots
  • Built-in white dot emergency backup sights

The AK series of rifles are famous for many things, having the best Iron sights is not one of them. This rail replacement for your rear iron sight retains basic functionality with its built-in emergency backup sights whilst providing the option to mount a red dot sight!

Designed specifically for Micro red dot sights, the 8 slots provide plenty of room for larger red dots but it would look rather silly. It's your AK though, make the purists cry if you feel like it!

88.99
  • Aluminium alloy construction
  • For AK with Z-Co style handguards
  • 20mm Picatinny upper rail

If you are building your dream tactical AK, a railed dust cover can be a great addition to give you more optic mounting options, and the elite tactical look. The 5KU 20mm Railed Tactical AK Receiver Cover is designed to work with Z-Co style handguards and provides a 17-slot 20mm Picatinny rail on its upper surface, and a hinge mechanism which connects it to a Z-Co handguard for functionality similar to the ASK-74U, making battery changes a breeze for those who run a top wired AK. If you are working on your own Spetsnaz build, your AK needs this!

10.99
  • Steel construction
  • Tri-Lug device - Mount Tri-Lug suppressors
  • Unthreaded - Compatible with CYMA CM.041 SMG-5s

If you want a more realistic muzzle device for your CM.041 series SMG-5 from CYMA, the 5KU SMG-5 Tri-lug Muzzle Device is the one to go for! Patterned after the real steel Tri-Lug muzzle device, unlike most Airsoft examples, the 5KU model doesn't include a threaded section at the front, making it more suitable for old-school SMG-5 setups, especially if you're a stitch counter. 

Compatibility-wise, this muzzle device is only compatible with SMG-5s from CYMA, specifically the CM.041 series and won't fit other brands, nor will it fit the -K and SD variants. 

29.99
  • Unique Design
  • For 14mm CCW
  • Aluminium Made

This is an Aluminium constructed Muzzle Device that is designed for AK Platform replicas, but will fit and work with any Airsoft Gun that has a 14mm CCW Threaded [Male] Outer Barrel, which is 95% of replicas.

53.49
  • ALPHA Handguard
  • KeyMod compatible
  • Extremely light weight

Made from 6061 Aluminium with a matt black anodised finish, this ALPHA KeyMod handguard for AK47/AK74/AKM provides all the latest advantages to this venerable platform. With the real version of the ALPHA being in service with the Russian military, you can dress your AK like Spetsnaz with no gains in weight, owed to this handguards lightweight design. With 5 surfaces to mount your accessories, you can mod more keys onto this than your typical AR15 handguard!

Compatible with INOKASU, GHK, LCT and Tokyo Marui replicas.

88.99
  • CNC 6061 Aluminium 
  • 20mm Picatinny rail at 6 o'clock
  • Compatible with CYMA, LCT & GHK AKs

If you're building out your AK to match the latest real steel builds, the 5KU Lightweight Zco Style Lower Handguard for AK-47/74 is an essential bit of kit. Based on the real steel Zco B30 handguard, this CNC 6061 aluminium lower handguard is designed to fit CYMA, GHK and LCT AK rifles and provides a full length 20mm Picatinny rail at 6 o'clock and a short length at 3 o'clock. 

Additional accessories can be mounted using Zco style rail adapters, and despite being double the length of standard AK handguards, the Lightweight Zco Style Lower Handguard tips the scales at a minuscule 174g, meaning it won't slow you down in-game. If your AK is due for a makeover, give it the modern touch it deserves with the Lightweight Zco Style Lower Handguard for AK-47/74 from 5KU!

82.99
  • Classic PBS-1 AK suppressor
  • Available in short or regular length
  • 24mm CW thread with 14mm CCW adapter

If you are an AK rifle fan you may be feeling left out with all the modern, westernised spitfire tracer units entering the market right now, but 5KU are here to get you into the muzzle flash game! The 5KU PBS-1 Spitfire Tracer Unit is styled after the Soviet-era PBS-1 AK suppressor and includes apparatus to mount the unit on either 24mm AK threads or more common 14mm CCW male threads found on almost all Airsoft rifles. If you are after a more stealthy look for your AK, with the added benefit of being able to use tracer BBs and dazzle the enemy with an ultra-bright muzzle flash effect, the 5KU PBS-1 Spitfire Tracer Unit is what you need!

118.49
  • Tracer / suppressor combo
  • Rotating cam lock
  • Low profile front breacher

Used by the UKSF, this replica suppressor doubles as a tracer unit and attached to your 14mm CCW outer barrel and provides an ultra-realistic muzzle device experience. Featuring a clean, well-weighted alloy design with an aggressive low profile front muzzle.

94.99
  • Steel folding/mounting mech
  • Aluminium stock with steel QD sockets
  • For 1913/20mm Picatinny stock adapter/MPX/MCX

If your primary weapon is boasting a 1913/20mm Picatinny stock setup you now have some fresh new stock options thanks to 5KU! The 1913/20mm Picatinny Folding Visor/Respirator Stock is designed to mount to any 20mm Picatinny rail, primarily those found on MPX and MCX rifles, and other AEG/GBB primaries with 1913/20mm Picatinny stock mounting apparatus. Feel free to mount it to any rail on your AEG, but don't blame us for the funny looks!

The stock body is constructed from aluminium to keep the weight low, and the butt plate is rubber with linear texture to promote positive grip, with or without body armour. The folding/mounting mechanism is constructed from steel to provide the strength needed, and the QD sockets on either side of the stock are also steel, and fully functional. The Visor/Respirator stock is designed specifically to provide perfect sight alignment when wearing bulky face gear, allowing you to see down your optic without requiring a riser and increasing height over bore.

29.99
  • CNC Machined
  • Stubby Foregrip
  • 6061 Aluminium

This stubby Foregrip is constructed using CNC Machined 6061 Aluminium for a superior finish, and is designed to provide a stable aiming position whilst also remaining compact and reduce snagging on your own equipment. It has an integrated 20mm Rail attachment and will easily fit to RIS/RAS Rail Systems. There is also a secret storage compartment inside the grip, accessed by unscrewing the base. If you're looking for a Russian style Foregrip for your AK or even Western Rifles, the 5KU Aluminium Russian Grip will fit the bill nicely.

41.49
  • Quick detachable
  • Various lengths available
  • Gives your rifle the sneaky look

If you are looking for a suppressor you can quickly and easily remove as and when it suits you, these are what you are looking for! Available in 3 different lengths to suit any situation, the 5KU Special force suppressor gives a serious and aggressive look to your AEG and alters the muzzle report to make you harder to locate!

65.49
  • Shotgun Tracer Unit
  • Styled to match real breaching chokes
  • For Shotguns - 22.5mm or 23.5mm barrel diameter

If you need some tracer action in your life but you run a shotgun, the 5KU Tracer Choke for Shotguns is what you want! This aggressively styled tracer unit mimics real steel shotgun breaching chokes and provides muzzle flash and tracer functionality to any Airsoft shotgun with an outer barrel with a 22.5mm or 23.5mm outer diameter.

The tracer mounts via 4 grub screws on the collar using friction, and we recommend ensuring the screws are properly tight and the unit is mounted straight before testing it out. The activation button is located underneath the rear collar, as is the USB Type-C charger port for the integral rechargeable battery, requiring the rear collar to be unscrewed to access. Available modes include tracer with muzzle flash, tracer only and muzzle flash only, ideal for those who want all the fire but none of the tracer and those who want tracer functions without lighting up the room and giving their location away. 

Two variants of the Tracer Choke are available to suit different shotguns; one for 22.5mm outer diameter barrels and one for 23.5mm. Make sure you measure up before ordering! If you grace CQB sites with a trusty shotgun at your side, the 5KU Tracer Choke for Shotguns is a must!

17.99
  • Mounts to buffer tube equipped m4/AR15 AEG
  • Provides QD sockets on either side
  • Includes one QD sling swivel

A QD sling plate for M4/AR15 AEGs which have a sliding stock with a buffer tube. This plate comes with a steel QD sling swivel, which can be installed in the sockets on either side of the sling plate, or in any other QD sling socket on your weapon. Simply hold down the button on the swivel, pull it away to release the swivel from the plate. To re-install the sling loop, simply hold the button down, insert into the socket, and release the button. This allows for both left and right-handed use, and quickly detaching your primary weapon or altering your sling configuration without having to use tools or waste time!

29.99
  • For 20mm Rails
  • CNC Aluminium
  • Compact & Tough

A compact and solid Foregrip for 20mm Rail Systems, which is constructed from CNC Aluminium and is based upon a Russian grip design that is most often seen on AK Platforms, but will provide a stable platform for aiming any Rifle that has a 20mm Rail.

About 5KU Airsoft

Tactical accessory and attachment specialist, 5KU produce a huge array of parts for your Airsoft rifles and loadouts. Notable products in their range include alloy handguards for AKs, M4 and G36s, as well as silencers and suppressors.

5KUs accessories are built to a high standard, constructed from brushed alloy, steel or aluminium as seen in their rail adaptors, sling mounts and foregrips.

They also produce a range of folding stocks, which are also constructed from steel and alloy, so if you're looking for a way to customise your loadout with some heavy-duty, realistic parts with a good, sturdy weight to them, 5KU are a fantastic choice.