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 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 replica is an external airsoft gun part that reproduces the old MASADA, now ACR, stock.It is foldable and has 7 stock positions. To extend it, simply pull the stock...
This TTI-style magwell is compatible with the Tokyo Marui G17 Gen5 MOS gas blowback.It's a dress-up part that effectively customizes the appearance while supporting reloading operations.The main body is made...
This TTI-style magwell is compatible with the Tokyo Marui G17 Gen5 MOS gas blowback pistol.It's a highly effective dress-up part that supports reloading operations while also enhancing the appearance.The main...
This is a Zenit-style B18 upper rail compatible with LCT, GHK, and CYMA AKS-74U models.【Please Note】This product is an overseas airsoft gun part. Please understand the following points before purchasing.■...
This is a ZEV Universal PRO style magwell compatible with Tokyo Marui/VFC full-size frame Glock 17 (18C/22/34). The Universal PRO is designed primarily for race gun specification Glocks, optimizing comfort...
This is a ZEV Universal PRO-style magwell compatible with full-size frame Glock 17 (18C/22/34) from Tokyo Marui/VFC and compact frame Glock 19 (excluding Tokyo Marui). The Universal Pro is designed...
SI-type PDW stabilizer compatible with standard M4 electric guns. Its extremely compact styling allows for high maneuverability when stowed, especially during CQB or shooting from vehicles, and can be extended...
This is a compensator for Hi-Capa with an outer barrel featuring 14mm counter-clockwise threading. It is suitable for race gun customization.*This product is exclusively for the gb-237 or gb-269 outer...
Lancer Systems type magwell compatible with M4/AR-15 platforms, such as standard M4 electric guns and Tokyo Marui M4 MWS. The funnel-shaped opening allows for comfortable magazine insertion.*Not compatible with next-generation...
M4 stock adapter compatible with models that have a Picatinny interface stock base.The stock tube is compatible with real-size (GHK/WE/WA/VFC) GBB Mil-Spec types.This product is for advanced users and requires...
Tokyo Marui Hi-Capa Series Compatible Magazine Catch Type 5.This product is for advanced users and requires skills in disassembling and assembling airsoft guns.【Precautions】This product is an overseas airsoft gun part....
Action Army AAP01 Assassin compatible selector switch ambidextrous charging handle.It is an ambidextrous type that can be switched left and right depending on your dominant hand, and the selector switch...
This trigger shoe is compatible with Tokyo Marui Hi-CAPA. When used with the separately sold modular trigger base, you can customize it with your preferred color and trigger stroke.Specifications:・Connection: Type...
This magazine extension replicates the TTI (Taran Tactical Innovations) style. This magazine is compatible with Tokyo Marui Glock series magazines, version 2.0. Its lightweight yet highly rigid structure, made from...
This magazine extension replicates the TTI (Taran Tactical Innovations) style. This magazine is compatible with Tokyo Marui Glock series magazines, version 2.0. Its lightweight yet highly rigid structure, made from...
Aluminum magwell compatible with Action Army AAP01 Assassin. The wide funnel design allows for quick reloading. *This product is intended for advanced users and requires skills in disassembling and assembling...
The Leapers UTG PRO Monolithic M-LOK Handguard is realistically reproduced using aluminum CNC. The rail mount and M-Lok handguard are integrated into one unit, and feature a design that wraps...
This is a classic Zenit-style foregrip for modernized AK customization. The large foregrip provides a firm grip. The bottom cap features realistic white markings and can be removed to reveal...
This compact tracer unit recreates the muzzle flash that occurs when a BB bullet is detected by the sensor inside the unit, causing a powerful LED element to light up,...
SF Warden type silencer equipped with a muzzle flash tracer unit. [Muzzle flash function] This compact tracer unit recreates the muzzle flash that occurs when a BB bullet is detected...
This replica is an exterior part for airsoft guns that reproduces the JMAC 1913 MP5 Adapter. It is possible to attach a stock with a Picatinny (20mm rail) interface. You...
This side rail mount is compatible with the Marui Saiga-12K. Its B13-style design, modeled after Russian special forces specifications, combines a realistic appearance with high practicality. The top features a...
This replica is a reproduction of the JMAC MMS-style 6.1-inch M-LOK handguard and MMS gas tube. [Actual product overview] The genuine JMAC Customs MMS style handguard is designed for the...
![[5KU] MASADA ACR Style Retractable Stock for Tokyo Marui Next Gen MP5](http://rock-et.jp/cdn/shop/files/5ku-409-bk_respimgsize.jpg?v=1776659994)
![[5KU] TTI Type Aluminum Magwell for Tokyo Marui G17 Gen5 MOS GBB - Black](http://rock-et.jp/cdn/shop/files/gbtm17g5006bk_respimgsize.jpg?v=1776322194)
![[5KU] TTI Type Aluminum Magwell for Tokyo Marui G17 Gen5 MOS GBB - Bronze](http://rock-et.jp/cdn/shop/files/gbtm17g5006bn_respimgsize.jpg?v=1776322098)
![[5KU] Zenit B-18 Type Rail BK](http://rock-et.jp/cdn/shop/files/5ku-275-bk_respimgsize.jpg?v=1776316901)
![[5KU] ZEV Universal PRO Magwell Marking Ver. Black (For Tokyo Marui/VFC Glock Series)](http://rock-et.jp/cdn/shop/files/gb-444-bk_respimgsize.jpg?v=1776149962)
![[5KU] ZEV Universal PRO Style Magwell Black (Compatible with Tokyo Marui/VFC Glock Series)](http://rock-et.jp/cdn/shop/files/gb-467-bk_respimgsize.jpg?v=1776147516)
![【5KU】SI-Type PDW Stabilizer [STD M4 AEG]](http://rock-et.jp/cdn/shop/files/si-11_respimgsize.jpg?v=1776140232)
![[5KU] Compensator Type 2 SV for Tokyo Marui HI-CAPA Series - 14mm CCW Thread](http://rock-et.jp/cdn/shop/files/gb-294-s_respimgsize.jpg?v=1776132773)
![[5KU] Magazine Catch Type 5 (Tokyo Marui Hi-CAPA Series Compatible) BK](http://rock-et.jp/cdn/shop/files/gb-518-bk_respimgsize.jpg?v=1775710527)
![[5KU] Selector Switch Ambidextrous Charging Handle (Action Army AAP01 Compatible) BK](http://rock-et.jp/cdn/shop/files/abaap-012-bk_respimgsize.jpg?v=1775537278)
![[5KU] UTG Type Monolithic M-Lok Handguard (for VFC/UMAREX MP5K)](http://rock-et.jp/cdn/shop/files/5ku-392v_4af35194-760d-4228-8cf5-886383ce69e7_respimgsize.jpg?v=1774327457)
![[5KU] ZENIT PK-2 Style Foregrip](http://rock-et.jp/cdn/shop/files/4589565960418_respimgsize.jpg?v=1774336182)
![[5KU] Muzzle Flash Tracer Unit (Compatible with 11mm clockwise and 14mm counterclockwise threads)](http://rock-et.jp/cdn/shop/files/4589566040515_respimgsize.jpg?v=1774335206)
![[5KU] SF Warden Type Silencer (14mm CCW Thread/Built-in Muzzle Flash Tracer Unit) Tan](http://rock-et.jp/cdn/shop/files/4589566065204_respimgsize.jpg?v=1774335050)
![[5KU] JMAC Type M1913 (20mm Rail) Stock Adapter for CYMA MP5](http://rock-et.jp/cdn/shop/files/5ku-405_678501c7-7f35-498e-9d30-6786da02c4cd_respimgsize.jpg?v=1774327972)
![[5KU] Zenit B13 Style Side Optical Mount (for Marui Saiga-12K)](http://rock-et.jp/cdn/shop/files/gbtm12k005bk_a22edf17-edcd-4bf3-b4e4-688e147c2f6b_respimgsize.jpg?v=1774330952)
![[5KU] JMAC Type AK MMS 6.1-inch M-LOK Handguard for CYMA AK74U](http://rock-et.jp/cdn/shop/files/5ku-416-bk_0d9c38a1-dc14-4fc6-a67d-fe585068f409_respimgsize.jpg?v=1774328343)
