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 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...
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's a 11.5-inch rifle size, made of aluminum, with a -14mm specification.This product is for advanced users 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...
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...
![[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] 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 CCW 11.5inch](http://rock-et.jp/cdn/shop/files/mws-5_respimgsize.jpg?v=1778136126)
![[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)
![[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)
