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 PDW wire stock is compatible with real-sized M4 GBBs. It has a compact design compared to standard buttstocks. The buttplate features a honeycomb non-slip pattern, ensuring stable shouldering.[Please note]This...
This Spy-style magwell is compatible with Tokyo Marui's Hi-Capa series. It enables quick magazine changes and a secure grip. With its curvilinear design, it's ideal for race gun customization. Installation...
This is a cocking handle for Tokyo Marui Hi-Capa 5.1. It is ideal for race gun customization. The handle can be swapped from left to right, making it suitable for...
This is a cocking handle for Tokyo Marui Hi-Capa 5.1. It is ideal for race gun customization. The handle can be swapped from left to right, making it suitable for...
This is a thumb rest for the Hi-Capa series. The thumb rest features an anti-slip treatment, making it an ideal part for race gun customization. Please note that installation requires...
This is a mount base compatible with Tokyo Marui's Hi-Capa series. It's ideal for race gun customization as it allows you to mount a dot sight. The main body consists...
This is a mount base compatible with Tokyo Marui's Hi-Capa series. It's ideal for race gun customization as it allows you to mount a dot sight. The main body consists...
This is an IPSC-style magwell for Glock. It allows for quick and reliable magazine changes and improved gripping for recoil/muzzle jump control. It also helps prevent magazine damage from accidental...
This is a magazine base compatible with Tokyo Marui's Hi-Capa series magazines. The bottom features three trapezoidal designs, making it perfect for custom race guns. It is constructed from aluminum...
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 aluminum grip cover is compatible with the separately sold CNC Aluminum Modular Pistol Grip (Model: GB-152). It features a fine anti-slip texture.【Precautions】This product is an airsoft gun part made...
This aluminum grip cover is compatible with the separately sold CNC Aluminum Modular Pistol Grip (Model: GB-152). It features a distinctive honeycomb design.[Notice]This product is an airsoft gun part manufactured...
This is a steel buffer lock compatible with Western Arms M4 GBB.[Precautions]This product is an overseas airsoft gun part. Please understand the following points before purchasing.■ This product is for...
This is a steel sear for Western Arms M4 GBB. It is manufactured with high-precision CNC machining.[Notice]This product is an airsoft gun part made overseas. Please understand the following points...
This is a steel hammer compatible with Western Arms M4 GBB. It is formed by high-precision CNC cutting.[Note]This product is an overseas airsoft gun part. Please understand the following points...
This is a Tyrant Designs HALO-style aluminum handstop. It is compatible with both M-LOK and KeyMod systems, offering excellent versatility and lightweight usability.The handstop features a compact design that fits...
This is a Tyrant Designs MOD-style foregrip. It supports both M-LOK/KeyMod systems, and its versatility and light weight make it excellent in terms of usability.It features a unique design consisting...
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 pistol grip for M4 GBB is formed by high-precision CNC machining.Its distinctive skeleton design with large cutouts is a prominent feature, making it ideal as an accent for custom...
This is a 10.3-inch outer barrel for the Tokyo Marui M4A1 MWS GBB. It is made of aluminum and features a -14mm specification.This product is intended for advanced users and...
Compatible with standard electric M4/M16 airsoft rifles.Equipped with QD sling swivel holes on both sides, making it suitable for both left and right-handed users.【Basic Specifications】5KUMaterial: AluminumCompatible with standard M4/M16【Notes】This product...
This is a charging handle compatible with standard M4/M16. It features a large latch where the index finger rests. It has white markings for a realistic appearance.[Basic Specifications]5KUMaterial: AluminumCompatible with...
This is a ZENIT-style rail handguard, a classic choice for modernized AK custom builds.By combining it with the separately sold B-19, you can add 20mm rails to the upper and...
This is an outer barrel for the Tokyo Marui M4A1 MWS GBB. It is an 8.7-inch rifle size, made of aluminum, and has a -14mm specification.This product is intended for...
![[5KU] PDW Wire Stock for M4 GBB](http://rock-et.jp/cdn/shop/files/gb-156_respimgsize.jpg?v=1778475014)
![[5KU] Spy Style Magwell Titanium for Tokyo Marui HI-CAPA Series](http://rock-et.jp/cdn/shop/files/gb-284-t_respimgsize.jpg?v=1778474786)
![[5KU] Round Cocking Handle RED for Tokyo Marui HI-CAPA 5.1](http://rock-et.jp/cdn/shop/files/gb-283-r_respimgsize.jpg?v=1778474647)
![[5KU] Round Cocking Handle Blue for Tokyo Marui HI-CAPA 5.1](http://rock-et.jp/cdn/shop/files/gb-283-bu_respimgsize.jpg?v=1778474550)
![[5KU] Skidproof Thumb Rest Left Handed RED for HI-CAPA Series](http://rock-et.jp/cdn/shop/files/gb-282-rdl_respimgsize.jpg?v=1778474438)
![[5KU] Shooters Carbon Mount Base RED for Tokyo Marui HI-CAPA Series](http://rock-et.jp/cdn/shop/files/gb-281-r_respimgsize.jpg?v=1778474119)
![[5KU] G17 IPSC Style Magwell SV](http://rock-et.jp/cdn/shop/files/gb-277-s_respimgsize.jpg?v=1778473917)
![[5KU] Metal Magazine Base Type1 Titanium for Tokyo Marui HI-CAPA Series](http://rock-et.jp/cdn/shop/files/gb-260-t_respimgsize.jpg?v=1778473774)
![[5KU] Tyrant Designs LWP Style Pistol Grip RED for M4 GBB](http://rock-et.jp/cdn/shop/files/gb-154-r_respimgsize.jpg?v=1778473608)
![[5KU] Grip Cover Type 2 for M4 GBB](http://rock-et.jp/cdn/shop/files/gb-153-b_respimgsize.jpg?v=1778473433)
![[5KU] Grip Cover Type 1 for M4 GBB](http://rock-et.jp/cdn/shop/files/gb-153-a_respimgsize.jpg?v=1778473303)
![[5KU] Steel Buffer Lock for WA M4 GBB](http://rock-et.jp/cdn/shop/files/gb-131_respimgsize.jpg?v=1778473158)
![[5KU] CNC Steel Sear for WA M4 GBB](http://rock-et.jp/cdn/shop/files/gb-108_respimgsize.jpg?v=1778472742)
![[5KU] 5-Bearing CNC Steel Hammer for WA M4 GBB](http://rock-et.jp/cdn/shop/files/gb-106_respimgsize.jpg?v=1778472618)
![[5KU] Tyrant Designs HALO Style AR-15 Handstop RED (M-LOK/KeyMod Compatible)](http://rock-et.jp/cdn/shop/files/5ku-236-r_respimgsize.jpg?v=1778472445)
![[5KU] Tyrant Designs MOD Style AR-15 Foregrip RED (M-LOK/KeyMod Compatible)](http://rock-et.jp/cdn/shop/files/5ku-222-r_respimgsize.jpg?v=1778472294)
![[5KU] Skeletonized Pistol Grip for M4 GBB - BLUE](http://rock-et.jp/cdn/shop/files/gb-155-bu_1_respimgsize.jpg?v=1778137256)
![[5KU] Outer Barrel for Tokyo Marui M4A1 MWS -14mm CCW 10.3inch](http://rock-et.jp/cdn/shop/files/mws-4_respimgsize.jpg?v=1778137122)
![[5KU] KAC Style Sling Swivel Mount for Standard M4/M16](http://rock-et.jp/cdn/shop/files/5ku-79_respimgsize.jpg?v=1778136946)
![[5KU] PRI Style Big Latch Charging Handle for Standard M4/M16](http://rock-et.jp/cdn/shop/files/5ku-59-b_respimgsize.jpg?v=1778136711)
![[5KU] ZENIT B-10M Style Lower Handguard](http://rock-et.jp/cdn/shop/files/5ku-225_respimgsize.jpg?v=1778136482)
![[5KU] Outer Barrel for Tokyo Marui M4A1 MWS - 14mm specification 8.7inch](http://rock-et.jp/cdn/shop/files/mws-2_respimgsize.jpg?v=1778135900)
