- 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).
- 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).
- 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.
- 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.
- For Picatinny rails
- Futuristic Skeletonised Design
- Lightweight aluminium construction
This futuristic Skeletonised Vertical Foregrip by 5KU looks incredible! It aligns with the modern trend of using as little material as possible to create a durable product, reducing weight without compromising quality or durability. This grip is no exception, weighing around 100 grams and being constructed from CNC aluminium.
It has lots of ergonomic finger grooves that improve grip and handling of your weapon, and also make it incredibly aesthetic. It is attached to your Picatinny 20mm rail system by sliding your grip onto the rail, aligning the attachment screw with a slot on the rail, and tightening the thumbscrew.
This vertical foregrip also has space inside for storage, featuring a large O-ring at the bottom of the grip to secure any contents you have put inside the grip. The storage compartment inside this foregrip allows you to carry things such as 4 x CR123A or 2 x AA batteries inside, and the O-Ring will securely hold them in place.
- 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!
- 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!
- 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!
- 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!
- 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.
- Steel construction
- For 14mm CCW and 24mm Russian threads
- A real beast of a muzzle brake!
If you want your AEG to send shivers down the enemy's spine, if anything can do it, this muzzle brake can! The 5KU DTK-2 Russian AK Muzzle Brake is patterned after the real steel Zenitco DTK-2 and is a squat design with a pair of massive ports on each side and two smaller ports on the bottom.
The real device is designed to reduce felt recoil and compensate for muzzle climb and is generally seen on carbine and SBR length AK rifles, though the 5KU example will fit both 14mm CCW and 24mm CW Russian threads, making it compatible with practically any Airsoft gun on the market. If you want to change up the looks of your rifle and make it that bit more menacing, this brake will do it!
- 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!
- 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!
- Replaces rear sight
- Provides 8 Picatinny rail slots
- Built-in white dot emergency backup sights
The AK series of rifles is famous for many things, but having the best iron sights is not one of them. The AK Rear Sight Rail For Red Dot Optics from 5KU replaces your AK's rear iron sight but retains basic functionality with its built-in emergency backup sights while providing the option to mount a red dot sight!
Designed specifically for Micro red dot sights, the 8 20mm Picatinny rail 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!
- 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.
- CNC Aluminium construction
- Extended-release plate
- Designed for CYMA AK platforms
Speed up your reloads with the 5KU CNC Aluminium Quick Release AK Magazine Catch! This machined aluminium Airsoft upgrade allows you to quickly release your magazine without having to take your finger off the trigger. The extended design sits under the trigger guard and provides you with a paddle that can be pressed down to defeat the magazine catch. However, it still provides the classic ambidextrous paddle on the bottom if you fancy an iconic mag flip reload every now and then.
This product is designed for CYMA AK platforms but may fit other brands with modification. It includes all the necessary screws and pins for installation. Enhance your battlefield experience with effortless magazine changes!
- CNC Aluminium construction
- Makes selecting your mode much easier
- Compatible with most AK AEGs
If you want to make your AK AEG easier to manipulate in game, this is the key! The CNC Aluminium Fire Selector for AK AEGs from 5KU is patterned after an enhanced selector design from the USA, boasting a unique look and extended surfaces to allow easy fire mode changes using your trigger finger.
This means you can keep your hand on the pistol grip during mode changes, transforming the AK to be more inline with modern shooting techniques. The CNC Aluminium Fire Selector for AK AEGs should fit most AK AEGs but as always, a certain amount of expertise will be required to install it. If you want to switch modes faster while keeping your eyes on targets downrange, this enhanced fire selector will give you the edge you need!
- 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.
- Shotgun Tracer Unit
- Styled to match real breaching chokes
- For Shotguns - 22.5 / 23.5 / 24mm 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, 23.5mm or 24mm 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.
Three variants of the Tracer Choke are available to suit different shotguns; one for 22.5mm outer diameter barrels, one for 23.5mm and one for 24mm. 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!
- Shotgun Tracer Unit
- Styled to match real breaching chokes
- For Shotguns - 22.5 / 23.5 / 24mm 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, 23.5mm or 24mm 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.
Three variants of the Tracer Choke are available to suit different shotguns; one for 22.5mm outer diameter barrels, one for 23.5mm and one for 24mm. 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!
- Shotgun Tracer Unit
- Styled to match real breaching chokes
- For Shotguns - 22.5 / 23.5 / 24mm 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, 23.5mm or 24mm 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.
Three variants of the Tracer Choke are available to suit different shotguns; one for 22.5mm outer diameter barrels, one for 23.5mm and one for 24mm. 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!
- Aluminium construction
- 14mm CCW male threading
- Compatible with M4/AR-15 AEG
If you are working on a multifunctional platform, ready for both indoor and outdoor skirmishes, then this is it! The 5KU 11.5" 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 ready for any situation then this will get you halfway there, but don't forget you'll need a matching inner barrel too!
- 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.
- Alloy construction
- Provides an M1913/20mm Picatinny interface
- For CYMA CM.041K, CM.041PDW & CM.041L AEGs
If you're dressing up your CYMA CM.041K, PDW or L, the 5KU 1913/20mm Picatinny Stock Adapter for CM.041K/PDW/L AEGs will give it a touch of modernity! This stock adapter provides an M1913/20mm Picatinny stock interface like MCX and MPX platforms, allowing you to mount the most modern stock options on the market. These range from slimline minimalist stocks to AR buffer tubes, shorty stocks and the Visor stock, designed for use with full face masks and respirators.
The sheer number of stock options a 1913/20mm Picatinny interface provides is almost unlimited, growing as new stocks are released at an ever-growing pace. If you want an easy way to mount M4/AR-15 stocks or want to future-proof your CYMA SMG-5K with the most cutting-edge stock attachment interface out there, the 5KU 1913/20mm Picatinny Stock Adapter for CM.041K/PDW/L AEGs belongs on your build!
- 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 Minimalist Folding Stock 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 to reduce weight when compared to 90% of other stock setups around, and the stock folding and mounting mechanism is constructed from steel for extra strength. This stock can be mounted directly to the Sig Air MCX or MPX, or any AEG with a 1913/20mm stock adapter, providing a low profile stock option with QD sling sockets in either side and a textured rubber butt plate for added grip.
- 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.
- Aluminium construction
- 14mm CCW male threaded tip
- Fits most M4/AR-15 AEGs
If you're looking for a new outer barrel to make your M4/AR-15 AEG reach the moon, the 5KU 18" Aluminium Barrel for M4/AR-15 AEG is a fantastic option. Constructed from aluminium with 14mm CCW male threading at the tip, this 18-inch outer barrel includes pin holes for mounting an M4/AR-15 front sight/gas.
The 5KU 18" 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 extending your barrel for the improved long-range effect or you just want your Airsoft rifle to look massive and intimidating, the 5KU 18" Aluminium Outer Barrel belongs on your M4 AEG!
- CNC Aluminium construction
- Skeletonised angled foregrip
- For KeyMod rail systems
If you're dressing up your KeyMod-equipped primary and need a foregrip, the K20 Aluminium Angled Grip for KeyMod from 5KU is ergonomic and aesthetically pleasing in equal measure! Made from CNC-machined aluminium and designed to be as lightweight and strong as possible, this angled foregrip suits any minimalist build style and keeps your wrist at a comfortable angle, reducing fatigue when shooting with modern techniques.
- 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.
- 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!
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.





























