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 pistol receiver extension tube for electric M4s, released by overseas airsoft parts manufacturer 5KU.This extension tube is compatible with Marui's conventional electric guns. Installing this product prevents...
This is a KAC-style handstop released by the overseas airsoft parts manufacturer 5KU. Simply attach it to the front of the rail to provide stability when holding the gun. A...
This is a KAC-type side mount released by overseas airsoft parts manufacturer 5KU. It is exclusively for T1 micro dot sights. Made of aluminum, with a clean KAC engraving, it...
This is an ALS-style bipod released by the overseas airsoft parts manufacturer 5KU.It is compatible with 20mm rails, making it easy to set up! The leg swing is secured by...
This is an outer barrel for an electric gun released by the overseas airsoft parts manufacturer 5KU. It is a 16-inch rifle size, made of aluminum, and has a -14mm...
This is an AAC SR5 type QD suppressor released by the overseas airsoft parts manufacturer 5KU.It also comes with an AAC Blackout 51T type flash hider. It is made of...
Stainless steel valve knocker/sear set compatible with Tokyo Marui Hi-Capa series.*For advanced users. This product requires airsoft gun disassembly and assembly skills.[Precautions]This product is an overseas airsoft gun part. Please...
This strike face for Glock features an aggressive design. It is compatible with the under-rail of Tokyo Marui/WE G19 size frames and provides expandability for attaching optical devices such as...
Strike Industries type flip switch compatible with standard M4 electric guns. The flip switch is a lightweight, low-profile ambidextrous safety, developed to bridge the gap between typical selectors and the...
Strike Industries type flip switch compatible with standard M4 electric guns. The flip switch is a lightweight, low-profile ambidextrous safety, developed to bridge the gap between typical selectors and the...
Strike Industries type flip switch compatible with standard M4 electric guns. The flip switch is a lightweight, low-profile ambidextrous safety, developed to fill the gap between general selectors and SI...
This TTI Combat Master type slide set is compatible with the Tokyo Marui G19 Gen.3. It features TTI engravings and distinctive serrations, with lettering applied via laser engraving.The front and...
This is a TTI Combat Master type slide set compatible with the Tokyo Marui G19 Gen.3. It reproduces the TTI markings and distinctive serrations, with the lettering laser-engraved.The front and...
This barrel adapter allows you to convert an outer barrel for a handgun with an 11mm positive thread to a 14mm counter-clockwise thread. By converting it to the highly versatile...
Boogeyman Custom type trigger compatible with Tokyo Marui Glock series. This is an adjustable type that allows stroke adjustment with a grub screw.This product is for advanced users and requires...
Agency Arms type trigger compatible with Tokyo Marui Glock series. It is an adjustable type that allows stroke adjustment with a grub screw.This product is for advanced users and requires...
Hammer & Hammer Strut Set for Hi-CAPA series. Compatible with Tokyo Marui, WE, and ARMY models.【Please Note】This product is an airsoft gun part made overseas.Please understand the following points before...
This 2011-style magwell is compatible with the Tokyo Marui Hi-Capa series. It features a large funnel and a shape that allows for a high grip.This product is intended for advanced...
This TTI style magwell is compatible with the Tokyo Marui Hi-Capa series. It features a large funnel and a shape that allows for a high grip. The markings are reproduced...
Hexagonal thread protector. It can protect the 14mm counter-clockwise threaded outer barrel.[Notice]This product is an airsoft gun part made overseas.Please understand the following points before purchasing.■Packages may be damaged or...
Hexagonal thread protector. It can protect the 14mm counter-clockwise threaded outer barrel.[Notice]This product is an airsoft gun part made overseas.Please understand the following points before purchasing.■Packages may be damaged or...
Tokyo Marui/WE/ARMY Hi-Capa compatible stainless hammer & hammer strut.This product is for advanced users and requires airsoft gun disassembly and assembly skills.[Notes]This product is an overseas airsoft gun part. Please...
Stainless steel magazine catch Type 2 for Tokyo Marui M1911A1.This product is for advanced users and requires skills in disassembling and assembling airsoft guns.【Precautions】This product is an overseas airsoft gun...
Tokyo Marui Hi-Capa compatible slide stop Type 6.This product is for advanced users and requires airsoft gun disassembly and assembly skills.【Precautions】This product is an overseas airsoft gun part. Please understand...
![[5KU] Pistol Receiver Extension Tube for Electric M4](http://rock-et.jp/cdn/shop/files/5ku-96_respimgsize.jpg?v=1777527219)
![[5KU] KAC Style Handstop & Sling Swivel](http://rock-et.jp/cdn/shop/files/5ku-91_respimgsize.jpg?v=1777526982)
![[5KU] KAC Style T1 Micro Dot Sight Side Mount BK](http://rock-et.jp/cdn/shop/files/5ku-90_respimgsize.jpg?v=1777526798)
![[5KU] Atlas Type Metal Bipod](http://rock-et.jp/cdn/shop/files/5ku-145_respimgsize.jpg?v=1777526637)
![[5KU] Electric M4 Carbine Outer Barrel -14mm Specification 16-inch Type D](http://rock-et.jp/cdn/shop/files/5ku-133_respimgsize.jpg?v=1777526524)
![[5KU] Stainless Valve Knocker/Sear Set for Tokyo Marui Hi-CAPA Series](http://rock-et.jp/cdn/shop/files/gb-480_respimgsize.jpg?v=1777526196)
![[5KU] Strike Face Kit for Tokyo Marui/WE G19](http://rock-et.jp/cdn/shop/files/gb-474_respimgsize.jpg?v=1777526016)
![[5KU] SI Type Flip Switch (STD M4 AEG) FDE](http://rock-et.jp/cdn/shop/files/5ku-308-fde_respimgsize.jpg?v=1777525880)
![[5KU] SI Type Flip Switch (STD M4 AEG) BLUE](http://rock-et.jp/cdn/shop/files/5ku-308-bu_respimgsize.jpg?v=1777525792)
![[5KU] Combat Master Type Aluminum Slide Set (Tokyo Marui G19 Compatible) GY](http://rock-et.jp/cdn/shop/files/ji-094-t_respimgsize.jpg?v=1777525622)
![[5KU] TTI Combat Master Type Aluminum Slide Set (for Tokyo Marui G19) BK](http://rock-et.jp/cdn/shop/files/ji-094-bk_respimgsize.jpg?v=1777525454)
![[5KU] 11mm CW to 14mm CCW Thread Adapter](http://rock-et.jp/cdn/shop/files/gb-496_respimgsize.jpg?v=1777525304)
![[5KU] BMC EX Style Adjustable Trigger (Tokyo Marui Glock Series) BK](http://rock-et.jp/cdn/shop/files/gb-494-bk_respimgsize.jpg?v=1777525161)
![[5KU] AA Type Adjustable Trigger (Tokyo Marui Glock Series) BK](http://rock-et.jp/cdn/shop/files/gb-493-bk_respimgsize.jpg?v=1777525045)
![[5KU] Hammer/Hammer Strut Set Type 491 (Compatible with Tokyo Marui/WE/ARMY Hi-CAPA) BK](http://rock-et.jp/cdn/shop/files/gb-491-bk_respimgsize.jpg?v=1777524913)
![[5KU] 2011 Type Magwell (Tokyo Marui Hi-Capa Compatible) BK](http://rock-et.jp/cdn/shop/files/gb-487-bk_respimgsize.jpg?v=1777524783)
![[5KU] TTI Type Magwell (Tokyo Marui Hi-Capa Compatible) BK](http://rock-et.jp/cdn/shop/files/gb-484-bk_respimgsize.jpg?v=1777524603)
![[5KU] Hexagon Thread Protector (14mm CCW) BK](http://rock-et.jp/cdn/shop/files/gb-483-bk_respimgsize.jpg?v=1777524438)
![[5KU] Stainless Hammer & Hammer Strut (Tokyo Marui/WE/ARMY Hi-CAPA) BK](http://rock-et.jp/cdn/shop/files/gb-507-bk_respimgsize.jpg?v=1777524208)
![[5KU] Stainless Steel Slide Stop Type 6 (Tokyo Marui HI-CAPA) SV](http://rock-et.jp/cdn/shop/files/gb-512-s_respimgsize.jpg?v=1777523900)
