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 5KU CNC aluminum thumb rest for AAP01/AAP02C Assassin. This model can be used by both right-handed and left-handed users.【Specifications】Color: GreenMaterial: Aluminum AlloyWeight: 10g【Important Notes】This product is an...
By replacing the rear sight of your Tokyo Marui Glock 17, you can mount a cocking handle.[Basic specifications]5KUMaterial: MetalCompatible with Tokyo Marui G17This product is an overseas airsoft gun part....
This is a 5KU aluminum recoil spring guide for the Hi-Capa 4.3.[Specifications]Color: GoldMaterial: Aluminum alloyWeight: 12g[Precautions]This product is an overseas airsoft gun part. Please understand the following points before purchasing.■...
This is a 5KU aluminum recoil spring guide for Hi-Capa 4.3.[Specifications]Color: RedMaterial: Aluminum alloyWeight: 12g[Precautions]This product is an overseas airsoft gun part. Please understand the following points before purchasing.■The package...
This trigger shoe is compatible with Tokyo Marui Hi-CAPA. When used with a separately sold module trigger base, you can customize it with your preferred color and trigger stroke.Specifications:・Connection: Type1...
This adapter allows you to attach an AR pistol grip to the GHK GBB AK series.It's the ideal grip adapter for customizing the grip of a modernized AK.Compatible with GBB-spec...
This allows you to convert an 11mm positive thread outer barrel to a 14mm negative thread specification.This product is for advanced users and requires airsoft gun disassembly and assembly skills.[Notes]...
This is a hammer spring housing compatible with the Tokyo Marui Hi-Capa 5.1 lower frame.[Note]This product is an overseas airsoft gun part. Please understand the following points before purchasing.■ This...
This is a 5-slot rail section compatible with both M-LOK and KeyMod handguard systems. It allows for the attachment of various accessories, enhancing expandability.【Precautions】This product is an airsoft gun part...
This is an outer barrel for electric airsoft guns released by the overseas airsoft parts manufacturer 5KU. It is a 10-inch rifle size, made of aluminum, and has a -14mm...
This is an outer barrel for electric airsoft guns released by the overseas airsoft parts manufacturer 5KU. It is an 18-inch rifle size, made of aluminum, and has a -14mm...
This is an Aimpoint MICRO T-1 red dot sight mount for AKs, made by overseas airsoft parts manufacturer 5KU.[Basic Specifications]Material: AluminumColor: BlackOverall Length: 135mmWeight: 48gRequires replacement of the rear sight...
This is a dot sight mount for AKs, Optima/Docter/Vortex type, from the overseas airsoft parts manufacturer 5KU.[Basic Specifications]Material: AluminumOverall Length: 121mmTorx Screws x 2Requires replacement of the rear sight installed...
This is a replica of the Sure Fire SOCOM556-RC type suppressor, which has been officially adopted by U.S. SOCOM for M4/Mk18. The Fast-Attach system allows the suppressor to be removed...
This is a Tyrant Designs HALO-style aluminum handstop. It is compatible with both M-LOK and KeyMod systems, offering excellent usability due to its versatility and lightweight design.The handstop features a...
This is a replica of the Sure Fire SOCOM556-RC2 type suppressor, which was officially adopted by U.S. SOCOM for the M4/Mk18. It features the distinctive wavy front plate of the...
5KU Zenit DTK-4 Style AK Silencer (M24 CW & 14mm CCW)[Notice]This product is an overseas airsoft gun part. Please understand the following points before purchasing.■ This product is intended for...
This is a stock adapter made by 5KU, specifically for the CYMA MP5K.Features:・High-precision, high-strength, lightweight aluminum alloy CNC machining and anodized surface treatment・Allows various stocks to be attached to the...
This is a hammer/sear set compatible with Western Arms M4 GBB.【Please Note】This product is an airsoft gun part made overseas. Please understand the following points before purchasing:■ This product is...
This is a long custom trigger compatible with Tokyo Marui's Hi-Capa/1911/MEU. The 3 holes on the side make it suitable for government custom models.[Precautions]This product is an overseas airsoft gun...
This is the ZEV PRO type compensator V2, compatible with various companies' G17/19 Gen.5.【Specifications】Material: AluminumWeight: 26.2gCompatibility: Various companies' G17/19 Gen.5【Precautions】・This product is an airsoft gun part made overseas. Please understand...
This is a MASADA ACR style stock compatible with Tokyo Marui/CYMA MP5K STD electric guns.By replacing with a MASADA style stock, you can adjust not only the overall length...
This is a JMSTYLE HRDM-LOK hand stop manufactured by 5KU. It can be attached to M-LOK handguards and features a slim design. Its compact size allows for a high degree...
This is a luxurious gold-colored outer barrel compatible with Tokyo Marui and WE G17s. The fluted design not only reduces weight but also adds an accent when used with custom...
![[5KU] Cocking Handle for Glock, Gold, Tokyo Marui G17 Compatible](http://rock-et.jp/cdn/shop/files/gb-417-gd_respimgsize.jpg?v=1777349863)
![[5KU] Hi-Capa 4.3 Aluminum Recoil Spring Guide GD](http://rock-et.jp/cdn/shop/files/gb-560-gd_respimgsize.jpg?v=1777349734)
![[5KU] Hi-Capa 4.3 Aluminum Recoil Spring Guide RD](http://rock-et.jp/cdn/shop/files/gb-560-rd_respimgsize.jpg?v=1777349640)
![[5KU] Modular Trigger Shoe Type 1/E Size S Red (Tokyo Marui Hi-Capa Compatible)](http://rock-et.jp/cdn/shop/files/gb-542s-rd_bc0f3001-e11c-450c-b674-33c76b77d6f3_respimgsize.jpg?v=1777349489)
![[5KU] AR Pistol Grip Adapter (GHK GBB AK Series)](http://rock-et.jp/cdn/shop/files/gb-1662_respimgsize.jpg?v=1777349230)
![[5KU] Stainless Silencer Adapter 11mm CW to 14mm CCW SV](http://rock-et.jp/cdn/shop/files/gb-477-s_respimgsize.jpg?v=1777349396)
![[5KU] Hammer Spring Housing BK (Tokyo Marui HI-CAPA 5.1 Compatible)](http://rock-et.jp/cdn/shop/files/gb-214-b_respimgsize.jpg?v=1777349017)
![[5KU] 5-slot Rail Section (M-LOK/KeyMod Compatible)](http://rock-et.jp/cdn/shop/files/5ku-237_respimgsize.jpg?v=1777273124)
![[5KU] Carbine Outer Barrel for Electric M4 - 14mm specification 10inch](http://rock-et.jp/cdn/shop/files/5ku-122_respimgsize.jpg?v=1777272933)
![[5KU] Rifle Outer Barrel for Electric M4 -14mm CCW 18inch](http://rock-et.jp/cdn/shop/files/5ku-134_respimgsize.jpg?v=1777272736)
![[5KU] Aimpoint MICRO T-1 Red Dot Sight Mount for AK](http://rock-et.jp/cdn/shop/files/5ku-207_respimgsize.jpg?v=1777272541)
![[5KU] AK Optima/Docter/Vortex Type Dot Sight Mount](http://rock-et.jp/cdn/shop/files/5ku-208_respimgsize.jpg?v=1777272389)
![[5KU] SF SOCOM556-RC Style QD Silencer DE](http://rock-et.jp/cdn/shop/files/5ku-215-t_respimgsize.jpg?v=1777272175)
![[5KU] Tyrant Designs HALO Style AR-15 Handstop BK (M-LOK/KeyMod Compatible)](http://rock-et.jp/cdn/shop/files/5ku-236-bk_respimgsize.jpg?v=1777268321)
![[5KU] SF SOCOM556-RC2 Type Suppressor BK (14mm CCW)](http://rock-et.jp/cdn/shop/files/5ku-244-bk_respimgsize.jpg?v=1777268128)
![[5KU] Zenit DTK-4 Style AK Silencer (M24 Positive Thread)](http://rock-et.jp/cdn/shop/files/5ku-288-bk_respimgsize.jpg?v=1777267873)
![[5KU] Stock Adapter for CYMA MP5K (20mm Rail)](http://rock-et.jp/cdn/shop/files/5ku-357_respimgsize.jpg?v=1777267504)
![[5KU] Hammer/Sear Set (Parity Version) for WA M4 GBB](http://rock-et.jp/cdn/shop/files/gb-134_respimgsize.jpg?v=1777267294)
![[5KU] 3 Hole Custom Trigger Long SV for Tokyo Marui HI-CAPA/1911/MEU](http://rock-et.jp/cdn/shop/files/gb-203-s_respimgsize.jpg?v=1777267141)
![[5KU] ZEV PRO Compensator V2 (14mm CCW/G17/19 Gen.5) Gold](http://rock-et.jp/cdn/shop/files/gb-506-g_respimgsize.jpg?v=1777266971)
![[5KU] MASADA ACR Style Stock for Tokyo Marui/CYMA Standard Electric Gun MP5K (Tan)](http://rock-et.jp/cdn/shop/files/5ku-391-tan_respimgsize.jpg?v=1777266617)
![[5KU] JM STYLE HRD M-LOK Handstop DDC](http://rock-et.jp/cdn/shop/files/5ku-363-ddc_respimgsize.jpg?v=1777266378)
![[5KU] Gold Fluted Barrel for G17](http://rock-et.jp/cdn/shop/files/gb-427-g_respimgsize.jpg?v=1777266017)
