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!
Dueck Defense style RBU (Red dot Back Up sight base) for Optima/Doctor/Vortex red dot sights. This is a replica of the red dot backup sight base for Glocks, developed by...
This is a luxurious gold-colored outer barrel compatible with Tokyo Marui and WE G17. It features fluting to reduce weight. It can be used as an accent when paired with...
By attaching it to the under rail of a Glock, you can convert it to a 14mm counter-clockwise (CCW) thread specification without changing the barrel. It is compatible with under...
This is an IPSC style magwell for Glock. It allows for quick and reliable magazine changes and improved grip for recoil/muzzle jump control. It can also help prevent damage to...
This is a NOVESKE type barricade stop. The sharp tip is useful for breaching and shooting over barricades. It also functions as a hand stop, contributing to a more stable...
This is a replica of a Knight's style QDC sound suppressor. It features a one-touch design that allows the suppressor to be attached and detached while the flash hider remains...
This is a replica of a Knight's style QDC sound suppressor. It features a one-touch design that allows the suppressor to be attached and detached while the hider is still...
This is a replica of the Knights Style QDC/CQB Sound Suppressor. It features a one-touch design that allows the suppressor to be attached and detached while the flash hider remains...
This is a replica of the Knight's style QDC/CQB sound suppressor. It features a quick-release mechanism that allows the suppressor to be attached and detached without removing the flash hider....
This is a 9-slot KeyMod rail from the overseas airsoft parts manufacturer 5KU.[Basic Specifications]Material: AluminumColor: BlackWeight: 48gKeyMod compatible[Precautions]This product is an overseas airsoft gun part. Please understand the following points...
This is a 5KU AXTS Raptor type ambidextrous charging handle for electric M4/M16, made by the overseas airsoft parts manufacturer 5KU.[Basic Specifications]Material: T6 CNC Aluminum (Anodized)Compatible manufacturers: Tokyo Marui, G&P,...
This custom part is released by the overseas airsoft parts manufacturer 5KU. It is made of metal.[Precautions]This product is an overseas airsoft gun part. Please understand the following points before...
This is a TANK type magwell released by 5KU, an overseas airsoft parts manufacturer. It is made of aluminum. It is compatible with various M4 models, but some models, such...
This is a QD sling swivel manufactured by 5KU. It can be easily attached and detached with a single touch, making it simple to incorporate. The swivel ring rotates according...
This is an outer barrel for electric airsoft guns released by the overseas airsoft parts manufacturer 5KU. It is a 14.5-inch carbine size, made of aluminum, and has a -14mm...
This is a 35cm dummy gas tube for M4/M16, released by the overseas airsoft parts manufacturer 5KU.This product is for advanced users and requires airsoft gun disassembly and assembly skills.【Precautions】This...
This is a 28cm dummy gas tube for M4/M16, released by the overseas airsoft parts manufacturer 5KU.This product is for advanced users and requires disassembly and assembly skills for airsoft...
This is a pistol receiver extension tube for electric M4s, released by overseas airsoft parts manufacturer 5KU.This extension tube is compatible with Marui's conventional electric guns. Installing this product prevents...
This is a KAC-style handstop released by the overseas airsoft parts manufacturer 5KU. Simply attach it to the front of the rail to provide stability when holding the gun. A...
This is a KAC-type side mount released by overseas airsoft parts manufacturer 5KU. It is exclusively for T1 micro dot sights. Made of aluminum, with a clean KAC engraving, it...
This is an ALS-style bipod released by the overseas airsoft parts manufacturer 5KU.It is compatible with 20mm rails, making it easy to set up! The leg swing is secured by...
This is an outer barrel for an electric gun released by the overseas airsoft parts manufacturer 5KU. It is a 16-inch rifle size, made of aluminum, and has a -14mm...
This is an AAC SR5 type QD suppressor released by the overseas airsoft parts manufacturer 5KU.It also comes with an AAC Blackout 51T type flash hider. It is made of...
Stainless steel valve knocker/sear set compatible with Tokyo Marui Hi-Capa series.*For advanced users. This product requires airsoft gun disassembly and assembly skills.[Precautions]This product is an overseas airsoft gun part. Please...
![[5KU] SAS Front Kit for Tokyo Marui G17/G18C](http://rock-et.jp/cdn/shop/files/gb-289_respimgsize.jpg?v=1778127913)
![[5KU] G17 IPSC Style Magwell BK](http://rock-et.jp/cdn/shop/files/gb-277-b_respimgsize.jpg?v=1778127703)
![[5KU] NOVESKE K9 Style Barricade Support](http://rock-et.jp/cdn/shop/files/5ku-73_respimgsize.jpg?v=1778127248)
![[5KU] KAC 556QDC Style Suppressor Long TAN](http://rock-et.jp/cdn/shop/files/5ku-205-t_respimgsize.jpg?v=1778127028)
![[5KU] KAC 556QDC Style Suppressor Long BK](http://rock-et.jp/cdn/shop/files/5ku-205-b_respimgsize.jpg?v=1778126805)
![[5KU] KAC 556QDC/CQB Style Suppressor Short TAN](http://rock-et.jp/cdn/shop/files/5ku-204-t_respimgsize.jpg?v=1777532488)
![[5KU] KAC 556QDC/CQB Style Suppressor Short BK](http://rock-et.jp/cdn/shop/files/5ku-204-b_respimgsize.jpg?v=1777532352)
![[5KU] 9-Slot Rail for KeyMod](http://rock-et.jp/cdn/shop/files/5ku-171_respimgsize.jpg?v=1777532198)
![[5KU] AXTS Raptor Type Ambidextrous Charging Handle for Electric M4/M16](http://rock-et.jp/cdn/shop/files/5ku-168-7_respimgsize.jpg?v=1777532089)
![[5KU] VLT Style M4 Gas Block](http://rock-et.jp/cdn/shop/files/5ku-74_respimgsize.jpg?v=1777531961)
![[5KU] TANK Type Magwell for M4 - Black](http://rock-et.jp/cdn/shop/files/5ku-83_respimgsize.jpg?v=1777531728)
![[5KU] QD Sling Swivel](http://rock-et.jp/cdn/shop/files/5ku-162_respimgsize.jpg?v=1777531611)
![[5KU] Electric M4 Carbine Outer Barrel -14mm Thread 14.5inch Type A](http://rock-et.jp/cdn/shop/files/5ku-126_respimgsize.jpg?v=1777531458)
![[5KU] Dummy Gas Tube for Electric M4/M16 (Mid-Length, 28cm)](http://rock-et.jp/cdn/shop/files/5ku-137_respimgsize.jpg?v=1777527350)
![[5KU] Pistol Receiver Extension Tube for Electric M4](http://rock-et.jp/cdn/shop/files/5ku-96_respimgsize.jpg?v=1777527219)
![[5KU] KAC Style Handstop & Sling Swivel](http://rock-et.jp/cdn/shop/files/5ku-91_respimgsize.jpg?v=1777526982)
![[5KU] KAC Style T1 Micro Dot Sight Side Mount BK](http://rock-et.jp/cdn/shop/files/5ku-90_respimgsize.jpg?v=1777526798)
![[5KU] Atlas Type Metal Bipod](http://rock-et.jp/cdn/shop/files/5ku-145_respimgsize.jpg?v=1777526637)
![[5KU] Electric M4 Carbine Outer Barrel -14mm Specification 16-inch Type D](http://rock-et.jp/cdn/shop/files/5ku-133_respimgsize.jpg?v=1777526524)
![[5KU] Stainless Valve Knocker/Sear Set for Tokyo Marui Hi-CAPA Series](http://rock-et.jp/cdn/shop/files/gb-480_respimgsize.jpg?v=1777526196)
