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 thumb rest for the Hi-Capa series. The thumb rest features an anti-slip finish, making it an ideal part for race gun customization. Please note that installation requires...
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 U-shaped magwell for Glock. It allows for faster magazine changes and provides a grip that improves control over recoil and muzzle jump. It can also help prevent...
This is a U-shaped magwell for Glock. It allows for quick magazine changes and improves grip for better recoil/muzzle jump control. It can also help prevent damage to the magazine...
This is a U-shaped magwell for Glock. It allows for quick magazine changes and improves gripping for better recoil/muzzle jump control. It can also help prevent damage to the magazine...
This magazine base is compatible with Tokyo Marui's Hi-Capa series magazines. Its simple design is ideal for race gun customization. It is constructed from aluminum using high-precision CNC machining.[Please Note]This...
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 lightweight-style magwell compatible with Tokyo Marui Hi-Capa series. It enables quick magazine changes and secure gripping. With its refined, simple design, it's perfect for race gun customs.Installation...
This is an SHPD-style magwell compatible with Tokyo Marui's Hi-Capa series.It enables quick magazine changes and secure gripping. The distinctive cut design on the front and sides makes it ideal...
This aluminum grip cover is compatible with the separately sold CNC Aluminum Modular Pistol Grip (Model: GB-152). It features a distinctive diagonal texture.【Precautions】This product is an airsoft gun part made...
This is an aluminum grip cover compatible with the separately sold CNC Aluminum Modular Pistol Grip (Model Number: GB-152). It features a distinctive stippling and diagonal texture.【Precautions】This product is an...
By replacing the rear sight of the Tokyo Marui Glock 17, you can mount an Aimpoint T1-sized red dot sight.[Basic Specifications]5KUMaterial: MetalCompatible with Tokyo Marui G17[Notes]■As this product is an...
Compatible with standard electric M4/M16 guns. QD sling swivel holes are installed on both sides, so it does not matter which hand you use.[Basic specifications]5KUMaterial: Aluminum steelCompatible with standard M4/M16[Precautions]This...
This is a luxurious gold-colored outer barrel compatible with Tokyo Marui and WE G17 models. Regularly spaced circles are carved into it, reducing weight, and it can also be used...
This is a U-shaped magwell for Glock. It enables quick and reliable magazine changes and improves grip for controlling recoil and muzzle jump. It can also help prevent magazine damage...
This is a steel magazine catch compatible with Tokyo Marui's G17.[Basic Specifications]5KUMaterial: SteelCompatible with Tokyo Marui G17This product is for advanced users and requires airsoft gun disassembly and assembly skills.[Notes]This...
This is an NSR (Noveske Skinny Rail) style handguard.It is a free-float handguard with a length of 15 inches. It is constructed from CNC-machined aluminum with an anodized finish. The...
This is a 9.5-inch HK416 KeyMod rail handguard by the overseas airsoft parts manufacturer 5KU.[Basic Specifications]Material: CNC 6061 Aluminum20mm/23-slot KeyMod handguard4x QD sling swivel adapter holesBarrel nutOverall length: 246mmWeight: 369gCompatible...
This custom part is released by the overseas airsoft parts manufacturer 5KU. It's a metal foregrip exclusively for KEYMOD rails. Designed for lightweighting, it features a skeletonized structure, allowing for...
This is a 9-inch NSR-type KEYMOD rail system released by the overseas airsoft parts manufacturer 5KU.Material: Aluminum (CNC machined)Compatibility: Various M4/M16 models (AEG & GBB)This product is for advanced users...
This is a Raptor-style charging handle made by 5KU. It is an ambidextrous type for Marui standard electric guns.This product is for advanced users and requires skills in disassembling and...
This replica is a product that recreates the CRC 1U004B handguard made by Ukrainian firearm manufacturer KPYK.It can be used to customize a modernized AK, balancing expandability and functionality. The...
These are custom parts from airsoft parts manufacturer 5KU.This replica is an exterior airsoft gun part that reproduces the PRIMARY MACHINE CZ Shadow2 Harbinger V2 slide.It is made of aluminum...
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 manufacturer's slide.It is made of aluminum...
![[5KU] G17 IPSC Style Magwell - Red](http://rock-et.jp/cdn/shop/files/gb-277-r_respimgsize.jpg?v=1776916958)
![[5KU] U-Type Magwell for Glock SV](http://rock-et.jp/cdn/shop/files/gb-276-s_respimgsize.jpg?v=1776754964)
![[5KU] U-Type Magwell for Glock - Red](http://rock-et.jp/cdn/shop/files/gb-276-r_respimgsize.jpg?v=1776754785)
![[5KU] U-Type Magwell for Glock - Blue](http://rock-et.jp/cdn/shop/files/gb-276-bl_respimgsize.jpg?v=1776754654)
![[5KU] Metal Magazine Base Type 3 BK for Tokyo Marui HI-CAPA Series](http://rock-et.jp/cdn/shop/files/gb-262-b_respimgsize.jpg?v=1776749843)
![[5KU] Metal Magazine Base Type 1 RED for Tokyo Marui HI-CAPA Series](http://rock-et.jp/cdn/shop/files/gb-260-r_respimgsize.jpg?v=1776749719)
![[5KU] Lightweight Style Magwell BLUE for Tokyo Marui HI-CAPA Series](http://rock-et.jp/cdn/shop/files/zgb-259-bu_respimgsize.jpg?v=1776749577)
![[5KU] Grip Cover Type 4 for M4 GBB](http://rock-et.jp/cdn/shop/files/gb-153-d_respimgsize.jpg?v=1776749264)
![[5KU] Grip Cover Type3 for M4 GBB](http://rock-et.jp/cdn/shop/files/gb-153-c_respimgsize.jpg?v=1776749133)
![[5KU] Aimpoint Micro Dot Sight Mount for Tokyo Marui G17](http://rock-et.jp/cdn/shop/files/gb-415_respimgsize.jpg?v=1776748954)
![[5KU] Extended Stock Dual Sling Mount for Standard M4/M16](http://rock-et.jp/cdn/shop/files/5ku-82_respimgsize.jpg?v=1776748788)
![[5KU] G17 Gold Dimpled Barrel](http://rock-et.jp/cdn/shop/files/gb-428-g_respimgsize.jpg?v=1776748670)
![[5KU] U-Type Magwell for Glock BK](http://rock-et.jp/cdn/shop/files/gb-276-bk2_respimgsize.jpg?v=1776748481)
![[5KU] Steel Magazine Catch for G17](http://rock-et.jp/cdn/shop/files/gb-254_respimgsize.jpg?v=1776748320)
![[5KU] Noveske Style NSR Handguard 15inch BK](http://rock-et.jp/cdn/shop/files/5ku-180-15_respimgsize.jpg?v=1776748144)
![[5KU] 9.5-inch HK416 KeyMod Rail Handguard BK](http://rock-et.jp/cdn/shop/files/5ku-203-b_respimgsize.jpg?v=1776747949)
![[5KU] KeyMod ULTRALIGHT VERTICAL GRIP Long Type 1](http://rock-et.jp/cdn/shop/files/5ku-194_respimgsize.jpg?v=1776747746)
![[5KU] NSR Type Keymod Rail System 9 inch BK](http://rock-et.jp/cdn/shop/files/5ku-180-9_respimgsize.jpg?v=1776747519)
![[5KU] Raptor-style Ambidextrous Charging Handle for Electric M4](http://rock-et.jp/cdn/shop/files/5ku-168-3_respimgsize.jpg?v=1776747426)
![[5KU] KPYK Type AK CRC 1U004B M-LOK Handguard for Tokyo Marui AKM GBB](http://rock-et.jp/cdn/shop/files/gbtmak014bk_respimgsize.jpg?v=1776747322)
![[5KU] PM Type Harbinger V2 SHADOW2 CNC Aluminum RMR Cut Slide for KJ/ASG GBB](http://rock-et.jp/cdn/shop/files/gbsd2011bk_respimgsize.jpg?v=1776747095)
![[5KU] CZ Type SHADOW2 CNC Aluminum RMR Cut Slide for KJ/ASG GBB](http://rock-et.jp/cdn/shop/files/gbsd2010bk_respimgsize.jpg?v=1776746943)
