5KU is a Taiwanese airsoft brand established in 2006. They manufacture a wide range of upgrade parts and accessories for airsoft guns, including outer barrels, internal parts, and rail systems. They are well-known for their external parts for AK, M4, and Hi-Capa series airsoft guns.
If you're looking for accessories to upgrade the look of your airsoft gun, be sure to check out 5KU!
This replica is a product that recreates the CRC 1U004B handguard made by Ukrainian firearm manufacturer KPYK.It can be used to customize a modernized AK, balancing expandability and functionality. The...
These are custom parts from airsoft parts manufacturer 5KU.This replica is an exterior airsoft gun part that reproduces the PRIMARY MACHINE CZ Shadow2 Harbinger V2 slide.It is made of aluminum...
This is a custom part from airsoft parts manufacturer 5KU.This replica is an exterior part for airsoft guns that reproduces the genuine CZ SHADOW2 manufacturer's slide.It is made of aluminum...
This is a stainless steel plunger and spring set compatible with Tokyo Marui GBB M1911 Government and Hi-Capa series.It can be used as a spare or repair part.[Specifications]Compatibility: Tokyo Marui...
This is a magazine catch button based on a CZ FACTORY custom design. It is made from CNC-machined aluminum, characterized by its lightweight and high-precision finish. Its easy-to-press shape allows...
This is a wide ambidextrous thumb safety that recreates the CZ factory custom style. Its ambidextrous design makes it easy to operate with either hand, improving the operability of CZ...
This is a set of a dummy suppressor and a 3-prong hider based on the latest QD suppressor model from Knight's Armament (KAC) in the USA.It consists of an aluminum...
Rail attachment compatible with separately sold Zenit type forends (B-10U/B-11U/B-10L/B-30U). By attaching it to the holes provided on the side, it is possible to add 7 Picatinny rail slots.This product...
This Strike Industries style trigger is compatible with standard M4 electric guns. The trigger face is a straight type that provides intuitive feel, and features a distinctive lightning-shaped skeletonized design.This...
Zenit-style B18U upper rail compatible with LCT, GHK, and CYMA AKS-74U.[Please Note]This product is an airsoft gun part made overseas. Please understand the following points before purchasing:■ This product is...
This is a Zenit DTK-2 type flash hider suitable for mounting on AK series rifles. It supports 14mm CCW / 24mm CW thread standards.[Notes]This product is an overseas airsoft part.Please...
This product is a custom part that reproduces a CGW-style flat trigger designed for the CZ Shadow 2. It is precisely CNC machined from aluminum, achieving both light weight...
This is a CNC-machined aluminum front/rear sight set. The front sight is designed for fiber optics, allowing for quick aiming regardless of lighting conditions. Made from lightweight and highly rigid...
This tracer device, with a compensator shape and built-in muzzle flash, can be directly attached to the SIG AIR P320 M18 GBB series. No special tools are required, and it...
This SI-type aluminum slide set is compatible with Tokyo Marui's G17 Gen.3 gas blowback pistol. It features a realistic design that balances functionality and appearance, with four front side port...
This tracer device, with an integrated muzzle flash in the shape of a compensator, can be directly attached to the SIG AIR P320 M17 GBB series. No special tools are...
This compensator-shaped tracer device with a built-in muzzle flash can be directly attached to the SIG AIR P320 M17 GBB series. No special tools are required, and it can be...
This compact tracer allows you to enjoy the trajectory of light, just like tracer rounds, by using dedicated phosphorescent BBs (green).It has a built-in rechargeable Micro USB lithium battery. It...
This is a dummy suppressor and 3-prong hider set based on the latest QD suppressor model developed by Knight's Armament (KAC) in the United States.It consists of an aluminum alloy...
This pistol grip is compatible with M4 GBB and is made from high-precision CNC machined parts.Its distinctive skeletal design, with large cutouts, is a striking feature, making it perfect as...
This is a Tyrant Designs HALO MiniVert style vertical foregrip. It supports M-LOK/KeyMod systems and two platforms, offering excellent usability due to its versatility and light weight.With its innovative design...
This pistol grip for M4 GBB is formed by high-precision CNC machining.The unique skeleton design with large cutouts is very distinctive and is ideal as an accent for custom ARs....
This is a Tyrant Designs HALO MiniVert style vertical foregrip. It supports M-LOK/KeyMod systems and two platforms, offering excellent usability due to its versatility and light weight.With its innovative design...
This is a 14.5-inch outer barrel for the Tokyo Marui M4A1 MWS GBB. It is made of aluminum and features a -14mm threading.This product is intended for advanced users and...