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 Tyrant Designs LWP (Lightweight Pro) style pistol grip for M4 GBB. It features a lightweight yet robust skeleton design compatible with AR10/15 platforms, with ergonomically designed finger...
This is a 5KU flash hider. It features a 14mm counter-clockwise thread and is made of stainless steel.[Precautions]This product is an airsoft gun part manufactured overseas. Please understand the following...
This is a smartly designed pistol grip for M4 GBBs.Formed from high-precision CNC aluminum, it features distinctive checkering on the rear. By attaching a separately sold grip cover (model number:...
This is a sling mount compatible with Western Arms M4 GBB. It features an ambidextrous design with QD sockets on both sides.【Please Note】This product is an overseas airsoft part. Please...
This is a ZENIT-style rail handguard, a standard customization for modernized AKs.By attaching it to the separately sold B-31 upper handguard with the included screws, you can add 20mm rails...
This Strike Industries type flip switch is compatible with standard M4 electric airsoft guns. The flip switch is a lightweight, low-profile ambidextrous safety, developed to fill the gap between a...
This STI-style magwell is compatible with Tokyo Marui and WE Hi-Capa series. It protects the magazine when dropped and enables quick and reliable magazine changes.[Basic Specifications]5KUMaterial: Aluminum (anodized)Compatible with Tokyo...
This compensator is compatible with Tokyo Marui's M1911 series and MEU pistols. It features three ports that are effective in reducing muzzle jump and flash, and can be used to...
This compensator is compatible with Tokyo Marui M1911 series and MEU pistols. It features three ports that are effective in reducing muzzle jump/flash, allowing you to dress up your Government...
This is a Glock strike face featuring an aggressive design. It is compatible with the under-rail of G17-sized frames and offers expandability for mounting optical devices such as weapon lights.[Basic...
This is an electric gun outer barrel released by the overseas airsoft parts manufacturer 5KU. It is a 7-inch CQB size, made of aluminum, and -14mm specification.This product is for...
This is a 6-position stock adapter compatible with E&L AKs. By attaching an M4-style retractable stock, you can customize your AK to be more maneuverable.[Note]This product is an overseas airsoft...
This is a TTI Combat Master type slide set compatible with Tokyo Marui G17 Gen.3. It features TTI engravings and distinctive serrations, with lettering also printed by laser engraving.The front...
5-inch tactical outer barrel compatible with Tokyo Marui Hi-CAPA. The muzzle has an 11mm positive thread, allowing for muzzle options such as compensators and suppressors to be attached via an...
5-inch tactical outer barrel compatible with Tokyo Marui Hi-CAPA. The muzzle has an 11mm positive thread, allowing for muzzle options such as compensators and suppressors to be attached via an...
5-inch tactical outer barrel compatible with Tokyo Marui Hi-CAPA. It features a twisted flute design, making it ideal for exterior customization.The muzzle has an 11mm positive thread standard, allowing you...
5-inch tactical outer barrel compatible with Tokyo Marui Hi-CAPA. It features twist fluting, making it ideal for exterior dress-up.The muzzle is 11mm positive thread standard, so by using an 11mm...
5-inch tactical outer barrel compatible with Tokyo Marui Hi-CAPA. It features a twisted flute design, making it ideal for exterior customization.The muzzle has an 11mm positive thread standard, allowing you...
The JMAC LAF-14 type muzzle brake is ideal for AKs with 14mm counter-clockwise (CCW) short barrels. The LAF (Loud And Flashy) is a muzzle brake with a large single chamber...
This muzzle protector can protect the outer barrel threads. The twisted fluting on the sides and unique texture allow it to upgrade the appearance as an accent to a custom...
This barrel adapter allows you to convert a handgun outer barrel with a 12mm CCW thread to a 14mm CCW thread specification. By converting to the versatile 14mm CCW thread,...
An SSVi TYR type trigger compatible with Tokyo Marui Glock series. It is an adjustable type that allows stroke adjustment with a grub screw.This product is for advanced users and...
An SSVi TYR type trigger compatible with Tokyo Marui Glock series. It is an adjustable type that allows stroke adjustment with a grub screw.This product is for advanced users and...
An SSVi TYR type trigger compatible with Tokyo Marui Glock series. It is an adjustable type that allows stroke adjustment with a grub screw.This product is for advanced users and...
![[5KU] Tyrant Designs LWP Style Pistol Grip BK for M4 GBB](http://rock-et.jp/cdn/shop/files/gb-154-bk_respimgsize.jpg?v=1776140532)
![[5KU] Stainless Steel SR15/PDW TRIPLE TAP Muzzle Brake -14mm](http://rock-et.jp/cdn/shop/files/5ku-105_respimgsize.jpg?v=1776140494)
![[5KU] CNC Aluminum Modular Pistol Grip (Knurly) Type3 for M4 GBB](http://rock-et.jp/cdn/shop/files/gb-152-c_respimgsize.jpg?v=1776140335)
![[5KU] Extended Stock QD Mount for WA M4 GBB](http://rock-et.jp/cdn/shop/files/gb-103_respimgsize.jpg?v=1776140147)
![[5KU] Strike Face Kit for G17/G18C](http://rock-et.jp/cdn/shop/files/gb-285_respimgsize.jpg?v=1776139639)
![[5KU] Electric M4 CQB Outer Barrel -14mm Thread 7 inch](http://rock-et.jp/cdn/shop/files/5ku-120_respimgsize.jpg?v=1776139239)
![[5KU] AK-M4 Folding Stock Adapter (Stock Tube Included)](http://rock-et.jp/cdn/shop/files/5ku-214-2_14136d92-81c7-4b55-9659-4f1858824df8_respimgsize.jpg?v=1776135392)
![[5KU] TTI Combat Master Style Slide Set for Tokyo Marui G17 Gen.3](http://rock-et.jp/cdn/shop/files/ji-100_respimgsize.jpg?v=1776134845)
![[5KU] Tornado Tactical Outer Barrel 5inch (11mm CW/for Tokyo Marui Hi-CAPA) SV](http://rock-et.jp/cdn/shop/files/gb-476-s_respimgsize.jpg?v=1776134106)
![[5KU] Tornado Tactical Outer Barrel 5inch (11mm CW/Tokyo Marui Hi-CAPA compatible) GD](http://rock-et.jp/cdn/shop/files/gb-476-g_respimgsize.jpg?v=1776133942)
![[5KU] Tornado Tactical Outer Barrel 5inch (11mm CW/Compatible with Tokyo Marui Hi-Capa) BK](http://rock-et.jp/cdn/shop/files/gb-476-bk_respimgsize.jpg?v=1776133561)
![[5KU] 12mm Counter-Clockwise to 14mm Counter-Clockwise Adapter - Short](http://rock-et.jp/cdn/shop/files/gb-497_respimgsize.jpg?v=1776131971)
![[5KU] SSVi TYR Style Adjustable Trigger (Tokyo Marui Glock Series) RED](http://rock-et.jp/cdn/shop/files/gb-495-r_respimgsize.jpg?v=1776131304)
![[5KU] SSVi TYR Style Adjustable Trigger (Tokyo Marui Glock Series) GD](http://rock-et.jp/cdn/shop/files/gb-495-g_respimgsize.jpg?v=1776131149)
