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 is a set of a custom CNC aluminum slide and chassis, thumb rest, and dot sight mount compatible with the Tokyo Marui Hi-Capa 5.1. The combination of a black...
This SI VIPER-type PDW stock is compatible with standard M4 electric guns. Its extremely compact styling allows for excellent maneuverability when stowed, especially during close quarters battles or vehicle firing....
This is a set of a dummy suppressor and a 3-prong hider based on the latest model QD suppressor developed by Knight's Armament (KAC) of the United States. It consists...
The Tyrant Designs HALO MiniVert-style vertical foregrip is compatible with both M-LOK and KeyMod systems, and its versatility and light weight make it highly usable. The innovative design and functional...
This barrel adapter allows you to convert a 12mm CCW threaded handgun outer barrel to a 14mm CCW thread. By converting it to a versatile 14mm CCW thread, you can...
Action Army AAP01 compatible ghost ring sight set.Includes red and green fiber optic inserts. Note: This product is intended for advanced users and requires airsoft gun disassembly and assembly skills....
This is an SI Cobra type trigger guard compatible with standard M4 electric guns. The "hood" of the Cobra serves as a rest to position the trigger finger safely while...
This PDW wire stock is compatible with the Tokyo Marui M4 MWS. It has a more compact design compared to standard buttstocks. The buttplate features a honeycomb non-slip pattern for...
This is a sling adapter released by the overseas airsoft parts manufacturer 5KU. It's a convenient part that converts a two-point sling into a one-point sling, compatible with QD swivels.[Notes]This...
This is a G17 FI MK2 GEN3 type custom model featuring an MK2 type slide set that realistically reproduces engravings and shapes, combined with a stippled frame. It is a...
This is an SI-type stock tube compatible with WA M4 GBB. While retaining the necessary parts, by regularly shaving off a portion of the stock tube's surface, in addition to...
This is an STI-style polymer lower frame compatible with Tokyo Marui's Hi-Capa series. The grip's checkering and STI logo are reproduced.This product is for advanced users and requires airsoft gun...
This is an SI-style charging handle compatible with standard M4 electric guns. It features a simple, latchless design aimed at improving durability and reliability. The main body is marked with...
This trigger shoe is compatible with Tokyo Marui Hi-CAPA. When used with a separately sold modular trigger base, you can customize it with your preferred color and trigger stroke.Specifications:・Connection: Type...
This is an SI-style charging handle compatible with standard M4 electric guns. It features a simple latchless design aimed at improving durability and reliability. The body has realistic markings of...
This is a LANTAC-style tactical aluminum outer barrel compatible with UMAREX/VFC G19. The complex fluting of the body, with varying depths of engraving, gives it a unique character. "LANTAC" and...
This is a LANTAC-type tactical aluminum outer barrel compatible with the Tokyo Marui G19. The complex fluting of the body, with varying depths of engraving, gives it a unique appearance....
This is a C-MORE red dot sight mount compatible with the Hi-Capa series. By mounting it rotated 90 degrees, the red dot and bore can be brought closer together, allowing...
This is a Strike Industries type AR-15 shift pin compatible with M4 GBB. Its QD mechanism design, featuring an extended knob that rotates, allows for easy removal without the need...
This is a Zenit B-33 type dust cover that can be attached by using it together with separately sold B-10M, B-10U, B-30 handguards, etc. By mounting a Picatinny rail on...
This is a Noveske K9 type barricade support that integrates a hand stop and a barricade stop. By holding your hand in position, stable shooting is possible. The front features...
This is a magazine base compatible with Tokyo Marui's Hi-Capa series magazines. The trapezoidal design engraved on three locations at the bottom makes it ideal for race gun customization. It...
This is a 14mm CCW compensator modeled after the SLR Rifleworks Synergy Linear Hybrid Comp. The real version has the same shape but comes in variations for rifles/handguns with 5.56mm/7.62mm/.308...
![[5KU] EX-02 Extra CNC Aluminum Slide Chassis with Red Dot Sight Mount Set (Black xSV) (Compatible with Tokyo Marui Hi-Capa 5.1)](http://rock-et.jp/cdn/shop/files/gb-592-bksv_3_respimgsize.jpg?v=1774947467)
![[5KU] SI VIPER Type PDW Stock (Compatible with STD M4 AEG)](http://rock-et.jp/cdn/shop/files/cpo-si-02_45956a3f-67f2-4b43-b153-9c819d5acc37_respimgsize.jpg?v=1774846527)
![[5KU] KAC Type QDC/MCQ-PRT QD Suppressor & Shroud Set for FDE 14mm CCW Threads](http://rock-et.jp/cdn/shop/files/mt002fde_9fe140ea-68cf-496a-945e-f172c43cc505_respimgsize.jpg?v=1774329886)
![[5KU] Tyrant Designs HALO MiniVert Style Vertical Foregrip, Red (M-LOK/KeyMod Compatible)](http://rock-et.jp/cdn/shop/files/5ku-235-r_b62b581c-22fb-4393-aaf3-7cc0402df372_respimgsize.jpg?v=1774326473)
![[5KU] Steel 12mm CCW to 14mm CCW Adapter, Short, Black](http://rock-et.jp/cdn/shop/files/gb-497-bk_ccf01ba1-b12f-4e44-83ae-926aa411c8ce_respimgsize.jpg?v=1774844947)
![[5KU] PDW Wire Stock (Tokyo Marui M4 MWS compatible)](http://rock-et.jp/cdn/shop/files/gb-159_respimgsize.jpg?v=1778558694)
![[5KU] QD Sling Adapter (2 to 1 Point)](http://rock-et.jp/cdn/shop/files/5ku-94_2_respimgsize.jpg?v=1778566170)
![[5KU] 5KU x ARMY G17 FI MK2 GEN3 Custom Gas Blowback Pistol](http://rock-et.jp/cdn/shop/files/gi-01_respimgsize.jpg?v=1778566039)
![[5KU] SI Type Advanced Receiver Extension (For WA M4 GBB) RED](http://rock-et.jp/cdn/shop/files/si-05-r_a30c8f95-edf7-4b51-80c7-9b7c99e4be62_respimgsize.jpg?v=1778563302)
![[5KU] STI Type Lower Frame (Compatible with Tokyo Marui Hi-Capa Series) RED](http://rock-et.jp/cdn/shop/files/gb-470-r_respimgsize.jpg?v=1778563121)
![[5KU] SI Type Latchless Charging Handle RED (Compatible with STD M4 AEG)](http://rock-et.jp/cdn/shop/files/si-04-r_respimgsize.jpg?v=1778563060)
![[5KU] Modular Trigger Shoe Type 1/G L Size Silver (Tokyo Marui Hi-Capa Compatible)](http://rock-et.jp/cdn/shop/files/gb-542l-bk_1_e0c1fe1f-c22d-4dc8-ae44-7fe4a3355821_respimgsize.jpg?v=1778566270)
![[5KU] SI-Type Latchless Charging Handle BK (Compatible with STD M4 AEG)](http://rock-et.jp/cdn/shop/files/si-04-bk_respimgsize.jpg?v=1778482930)
![[5KU] LANTAC 9INE Style Tactical Outer Barrel BK (14mm CCW/UMAREX, VFC G19 Compatible)](http://rock-et.jp/cdn/shop/files/gb-471-bk_respimgsize.jpg?v=1778482756)
![[5KU] Strike Industries Type AR-15 Shift Pin BK (M4 GBB Compatible)](http://rock-et.jp/cdn/shop/files/gb-157-bk_respimgsize.jpg?v=1778482064)
![[5KU] M-LOK 3-Slot QD Rail Section](http://rock-et.jp/cdn/shop/files/5ku-232_respimgsize.jpg?v=1778481937)
![[5KU] Noveske K9 Type Barricade Support](http://rock-et.jp/cdn/shop/files/5ku-160_respimgsize.jpg?v=1778481396)
![[5KU] Metal Magazine Base Type1 GD for Tokyo Marui HI-CAPA Series](http://rock-et.jp/cdn/shop/files/gb-260-g_respimgsize.jpg?v=1778481157)
![[5KU] SLR Synergy Linear Hybrid Compensator, Blasted Grey (14mm CCW)](http://rock-et.jp/cdn/shop/files/nb-slr-01_respimgsize.jpg?v=1778477058)
