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 custom part from airsoft parts manufacturer 5KU. Compatible with Tokyo Marui Hi-Capa 5.1 gas blowback. The tip has an 11mm positive thread, allowing you to attach various...
This is a custom part from airsoft parts manufacturer 5KU. Compatible with Tokyo Marui Hi-Capa 5.1 gas blowback. The tip has an 11mm positive thread, allowing you to attach various...
This is a custom part from airsoft parts manufacturer 5KU. Compatible with Tokyo Marui Hi-Capa 5.1 gas blowback. The tip has an 11mm positive thread, allowing you to attach various...
This is a custom part from airsoft parts manufacturer 5KU. Compatible with Tokyo Marui Hi-Capa 5.1 gas blowback. The tip has an 11mm positive thread, allowing you to attach various...
This is a custom part from airsoft parts manufacturer 5KU. Compatible with Tokyo Marui Hi-Capa 4.3 gas blowback. The tip has an 11mm positive thread, allowing you to attach various...
This is a custom part from airsoft parts manufacturer 5KU. Compatible with Tokyo Marui Hi-Capa 4.3 gas blowback. The tip has an 11mm positive thread, allowing you to attach various...
This is a custom part from 5KU, an airsoft parts manufacturer.It is compatible with the Tokyo Marui Hi-Capa 4.3 gas blowback.The tip has an 11mm positive thread, allowing for direct...
This is a custom part from airsoft parts manufacturer 5KU. Compatible with Tokyo Marui Hi-Capa 4.3 gas blowback. The tip has an 11mm positive thread, allowing you to attach various...
This replica is an exterior part for airsoft guns that reproduces the BUL ARMORY BUL 5 Flute Outer Barrel. Compatible with Tokyo Marui Hi-Capa 5.1 gas blowback. The tip has...
This replica is an exterior part for airsoft guns that reproduces the BUL ARMORY BUL 5 Flute Outer Barrel. Compatible with Tokyo Marui Hi-Capa 5.1 gas blowback. The tip has...
This replica is an exterior part for airsoft guns that reproduces the BUL ARMORY BUL 5 Flute Outer Barrel. Compatible with Tokyo Marui Hi-Capa 5.1 gas blowback. The tip has...
This replica is a reproduction of the CRC 1U040 handguard made by Ukrainian firearms manufacturer KPYK. It can be customized into a modernized AK that combines expandability and functionality. The...
This replica is an exterior part for airsoft guns that reproduces the old MASADA ACR stock. It is foldable and has a total of seven stock positions. When unfolding, simply...
This replica is an exterior part for airsoft guns that reproduces the JMAC 1913 MP5 Adapter. Compatible with UMAREX/VFC gas blowback MP5 series. It is possible to attach a stock...
This is a custom part from airsoft parts manufacturer 5KU. This is a thumb rest type takedown lever made of aluminum alloy with a sharp edge finish achieved by CNC...
This is a custom part from airsoft parts manufacturer 5KU. This replica is an exterior part for airsoft guns that reproduces the Tyrant Designs Flat Takedown Lever. The material is...
This is a custom part from airsoft parts manufacturer 5KU. The material is aluminum alloy, and the edges are finished with CNC cutting, and the hollowed-out design contributes to the...
This is a custom part from airsoft parts manufacturer 5KU. This replica is an exterior part for airsoft guns that reproduces the PRIMARY MACHINE CZ Shadow2 Harbinger V2 slide. The...
This is a custom part from airsoft parts manufacturer 5KU. This replica is an exterior part for airsoft guns that reproduces the genuine CZ SHADOW2 slide. The material is aluminum...
This is a custom part from airsoft parts manufacturer 5KU. This replica is an exterior part for airsoft guns that reproduces the ZEV V2 PRO Compensator. The material is aluminum...
5KU Aluminum Trigger for SIG AIR/VFC P320 (M17/M18/X) Series specification Compatible models: SIG AIR/VFC P320 (M17/M18/X) series -Material: Aluminum alloy (CNC processed) Color: Black Precautions -Due to individual differences, slight...
specification・The Gun Co Style Compatible models: SIG AIR/VFC P320 (M17/M18/X) series -Material: Aluminum alloy (CNC processed) Color: Black Precautions -Due to individual differences, slight adjustments may be necessary between the...
Specifications/Product Code: gbvm003bk Tyrant CNC Style Compatible with: SIG AIR/VFC P320 (M17/M18/X) series Material: Aluminum alloy (CNC machined) Color: Black Note: Due to individual differences, slight adjustments may be necessary...
Features Compatible with Tokyo Marui G17 Gen5 GBB series - MOS compatible optics cut specification allows various dot sights to be installed - Sharp lines and high rigidity achieved through...
![[5KU] HEXA Type Stainless Steel Outer Barrel SV for Tokyo Marui Hi-Capa 5.1](http://rock-et.jp/cdn/shop/files/gb-593-sv_b4bc4771-db18-4c63-b108-4ce373d0f3b6_respimgsize.jpg?v=1774335389)
![[5KU] HEXA Type Stainless Steel Outer Barrel HG for Tokyo Marui Hi-Capa 5.1](http://rock-et.jp/cdn/shop/files/gb-593-hg_df9702a3-80eb-43bc-a1d2-8642e04705ba_respimgsize.jpg?v=1774335428)
![[5KU] HEXA Type Stainless Outer Barrel GD for Tokyo Marui Hi-Capa 5.1](http://rock-et.jp/cdn/shop/files/gb-593-gd_cd1e27bd-2a2f-481e-80e9-85abaa50ab6c_respimgsize.jpg?v=1774335477)
![[5KU] HEXA Type Stainless Outer Barrel SV for Tokyo Marui Hi-Capa 4.3](http://rock-et.jp/cdn/shop/files/gb-555-sv_82e63f9e-2535-4f7a-8333-d0d14ed58e2e_respimgsize.jpg?v=1774843602)
![[5KU] HEXA Type Stainless Steel Outer Barrel HG for Tokyo Marui Hi-Capa 4.3](http://rock-et.jp/cdn/shop/files/gb-555-hg_101da7d1-f069-44fa-95a8-9b3bd3f88e44_respimgsize.jpg?v=1774843649)
![[5KU] HEXA Type Stainless Steel Outer Barrel GD for Tokyo Marui Hi-Capa 4.3](http://rock-et.jp/cdn/shop/files/gb-555-gd_f6dff5a1-6978-4337-88b4-6dcf0a5f22d0_respimgsize.jpg?v=1774843689)
![[5KU] HEXA Type Stainless Steel Outer Barrel Black for Tokyo Marui Hi-Capa 4.3](http://rock-et.jp/cdn/shop/files/gb-555-bk_1_81f989a1-bc39-481d-907e-acbe04c828b9_respimgsize.jpg?v=1774843718)
![[5KU] BUL ARMORY Type BUL 5 Fluted Stainless Outer Barrel SV for Tokyo Marui Hi-Capa 5.1](http://rock-et.jp/cdn/shop/files/gb-554-sv_109c7e89-b638-4a0a-9d2f-78386d5c46de_respimgsize.jpg?v=1774843785)
![[5KU] BUL ARMORY Type BUL 5 Fluted Stainless Steel Outer Barrel GD for Tokyo Marui Hi-Capa 5.1](http://rock-et.jp/cdn/shop/files/gb-554-gd_a150334a-8f58-41e6-a066-dad9b50c9f39_respimgsize.jpg?v=1774843817)
![[5KU] BUL ARMORY Type BUL 5 Fluted Stainless Outer Barrel BK for Tokyo Marui Hi-Capa 5.1](http://rock-et.jp/cdn/shop/files/gb-554-bk_69521fc0-c8aa-43a3-b459-7d99afd96312_respimgsize.jpg?v=1774843853)
![[5KU] KPYK Type AK CRC 1U040 M-LOK Handguard for GHK AK](http://rock-et.jp/cdn/shop/files/5ku-404g-bk_452077a0-77fd-48a6-8c91-1df7aede1c2d_respimgsize.jpg?v=1774327750)
![[5KU] MASADA ACR Style Telescopic Stock for CYMA MP5](http://rock-et.jp/cdn/shop/files/5ku-418-bk_6910178a-549d-4a46-81a2-f379071b6b50_respimgsize.jpg?v=1774328412)
![[5KU] JMAC Type M1913 (20mm Rail) Stock Adapter for VFC MP5](http://rock-et.jp/cdn/shop/files/5ku-407_d4bf7c5e-6319-4712-8586-133bf2c80ac7_respimgsize.jpg?v=1774328036)
![[5KU] Thumb Rest Type Takedown Lever BK Compatible with VFC/SIG AIR P320 Series GBB](http://rock-et.jp/cdn/shop/files/gbvm006bk_respimgsize.jpg?v=1772515609)
![[5KU] Tyrant Designs Type Flat Takedown Lever BK for VFC/SIG AIR P320 Series GBB](http://rock-et.jp/cdn/shop/files/gbvm004bk_e1b029aa-8202-496d-8e39-ff5afdc05a4b_respimgsize.jpg?v=1774330249)
![[5KU] CZ SHADOW2 Milling CNC Aluminum Slide for KJ Works/ASG GBB](http://rock-et.jp/cdn/shop/files/gbsd2005bk_d0a1600d-2d69-4bbf-aa7e-9ef9b3d450c1_respimgsize.jpg?v=1774335012)
![[5KU] PM Type Harbinger V2 SHADOW2 CNC Aluminum Slide for KJ/ASG GBB](http://rock-et.jp/cdn/shop/files/gbsd2004bk_da2f8c64-c609-450d-b137-e069296e9d08_respimgsize.jpg?v=1774335060)
![[5KU] CZ Type SHADOW2 CNC Aluminum Slide for KJ, ASG, and GBB](http://rock-et.jp/cdn/shop/files/gbsd2003bk_respimgsize.jpg?v=1772515039)
![[5KU] ZEV PRO Type Compensator V2 SV 14mm Left-Hand Thread/G17/19 Gen.5](http://rock-et.jp/cdn/shop/files/gb-506-s_f2f6ec03-6eb9-4e08-8df7-4666b22056be_respimgsize.jpg?v=1774844901)
![[5KU] Aluminum Trigger for SIG AIR/VFC P320 (M17/M18/X) Series](http://rock-et.jp/cdn/shop/files/gbvm011bk_fcb4e60b-7a20-4d05-b19c-c570509b9f5b_respimgsize.jpg?v=1774330156)
![[5KU] TGC Type Magwell, CNC Machined Aluminum for SIG AIR/VFC P320 (M17/M18/X) Series](http://rock-et.jp/cdn/shop/files/gbvm008bk_efeb2596-c92c-45f6-92c6-f84874eabd7a_respimgsize.jpg?v=1774330205)
![[5KU] TC Type Magazine Extension Pad, CNC Machined Aluminum for SIG AIR/VFC P320 (M17/M18/X) Series](http://rock-et.jp/cdn/shop/files/gbvm003bk_cd282e6e-ca51-4f95-807c-9e2905bf5231_respimgsize.jpg?v=1774330286)
![[5KU] G17 Gen5 MOS Slide & Outer Barrel Set, CNC Machined Aluminum for Tokyo Marui](http://rock-et.jp/cdn/shop/files/gbtm17g5003_0c2d0f3c-d67e-4bbe-affe-bc60150dc616_respimgsize.jpg?v=1774330800)
