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 replica reproduces the CRC 1U020B handguard made by Ukrainian firearm manufacturer KPYK.It allows for the customization of a modernized AK that balances expandability and functionality. Made from aluminum alloy,...
This is a 1913 rail stock adapter compatible with the Archwick (B&T) APC9-K GBB SMG. It features a high-rigidity, lightweight design machined from CNC aluminum, allowing for the attachment of...
This replica is a reproduction of the "Strike Latchless Charging Handle" from the American gun parts manufacturer "STRIKE INDUSTRIES."It is a part for M4/M16 standard electric airsoft guns. The material...
This replica product recreates the selector found on the KAC (Knight's Armament) KS1 KS3.It is a KAC-style CNC steel ambidextrous safety selector compatible with Tokyo Marui MWS GBB (Gas Blowback)...
This is a Battle Ready Arms (BRA) style outer barrel compatible with the Tokyo Marui Glock Gen3 GBB pistol.Manufactured with high precision through CNC aluminum machining and featuring a lightweight...
This is a stainless steel custom hammer compatible with KJ and ASG CZ SHADOW 2 GBB pistols. It features a drop-in design that allows for replacement with original parts, and...
This is the KPYK style CRC5002 folding telescopic stock for GHK AKM V3 GBB.The main body is made of CNC aluminum, combining a realistic appearance with practicality. It features a...
This replica product reproduces the selector used in the KAC (Knight's Armament) KS1 KS3.It is a KAC-style CNC steel ambidextrous (for both left and right-handed users) safety selector compatible with...
This replica faithfully reproduces the CRC 1U020B handguard from Ukrainian firearms manufacturer KPYK. It allows you to customize your AK into a modernized version that balances expandability and functionality. It...
This barricade stop from the overseas airsoft parts manufacturer 5KU is installed in front of the handguard to press against barricades or walls, ensuring stable shooting. It is made from...
This barricade stop from overseas airsoft parts manufacturer 5KU mounts to the front of the handguard, allowing you to press against barricades or walls for stable shooting. It's made from...
This is a 13.5-inch NSR type KEYMOD rail system released by the overseas airsoft parts manufacturer 5KU.Material: Aluminum (CNC machined)Compatibility: Various M4/M16 (AEG & GBB) models from different manufacturersThis product...
This is a cocking handle compatible with Tokyo Marui's Hi-Capa series. It is ideal for race gun customization. It can be installed by replacing the rear sight.【Precautions】This product is an...
This is a two-tone compensator compatible with Tokyo Marui Hi-Capa. It features ports designed to effectively reduce muzzle jump and flash.*Please note that this is exclusively for the separately sold...
This magazine base is compatible with Tokyo Marui's Hi-Capa series magazines. Its simple right-angled triangular design makes it ideal for racegun customization. It is constructed from high-precision CNC machined aluminum.【Precautions】This...
This is a magazine base compatible with Tokyo Marui's Hi-Capa series magazines. The bottom has checkering, making it ideal for race gun customization. It is made of aluminum through high-precision...
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 LANTAC-style aluminum outer barrel compatible with Tokyo Marui/WE G17/G18C and other models. The complex fluting on the body, with varying depths of engraving, gives it a unique...
This muzzle protector can protect the threads of the outer barrel. The side twist flutes/dimple processing and unique texture can enhance the appearance as an accent for custom outer barrels....
This is a Backup Tactical type muzzle protector that can protect the threads of the outer barrel. The dimpled sides and texture are realistically reproduced, allowing you to upgrade the...
This is a cocking handle for Tokyo Marui Hi-Capa 5.1. It is ideal for race gun customization. The handle can be swapped from left to right, making it suitable for...
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 a cocking handle for Tokyo Marui Hi-Capa 5.1. It is ideal for race gun customization. The handle can be swapped from left to right, making it suitable for...
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...
![[5KU] KPYK Type AK CRC 1U020B M-LOK Handguard for GHK AK](http://rock-et.jp/cdn/shop/files/5ku-419g-bk_respimgsize.jpg?v=1776921486)
![[5KU] STRIKE INDUSTRIES Style Charging Handle RED for Tokyo Marui M4 Series Airsoft Electric Guns](http://rock-et.jp/cdn/shop/files/wi-04-r_respimgsize.jpg?v=1776921076)
![[5KU] KAC KS1 KS3 Type Ambidextrous Selector Steel Type A (Short) Tokyo Marui MWS GBB Compatible](http://rock-et.jp/cdn/shop/files/mws-23_respimgsize.jpg?v=1776920913)
![[5KU] Battle Ready Arms Type Ported Barrel BK for Tokyo Marui Glock 19 Gen3](http://rock-et.jp/cdn/shop/files/gbtm19003-bk_respimgsize.jpg?v=1776920754)
![[5KU] Stainless Hammer Type 1 BK for KJ / ASG CZ SHADOW 2](http://rock-et.jp/cdn/shop/files/gbsd2008bk_respimgsize.jpg?v=1776920583)
![[5KU] KPYK CRC5002 Type Folding Stock for GHK AKM](http://rock-et.jp/cdn/shop/files/gb-171-bk_respimgsize.jpg?v=1776920365)
![[5KU] KPYK Type AK CRC 1U020B M-LOK Handguard Compatible with Tokyo Marui AKM](http://rock-et.jp/cdn/shop/files/gbtmak012bk_1_respimgsize.jpg?v=1776919730)
![[5KU] Skeletonized Barrier Stop Assembly for Keymod](http://rock-et.jp/cdn/shop/files/5ku-174_respimgsize.jpg?v=1776919560)
![[5KU] K9 NSR Direct Attach Barricade Support For Keymod](http://rock-et.jp/cdn/shop/files/5ku-173_respimgsize.jpg?v=1776919385)
![[5KU] NSR Type Keymod Rail System 13.5 inch BK](http://rock-et.jp/cdn/shop/files/5ku-180-135_respimgsize.jpg?v=1776919242)
![[5KU] Metal Magazine Base Type 6 SV for Tokyo Marui HI-CAPA Series](http://rock-et.jp/cdn/shop/files/gb-265-s_respimgsize.jpg?v=1776918651)
![[5KU] Metal Magazine Base Type 4 Blue for Tokyo Marui HI-CAPA Series](http://rock-et.jp/cdn/shop/files/gb-263-bl_respimgsize.jpg?v=1776918473)
![[5KU] Metal Magazine Base Type1 SV for Tokyo Marui HI-CAPA Series](http://rock-et.jp/cdn/shop/files/gb-260-s_respimgsize.jpg?v=1776918305)
![[5KU] LANTAC 9INE Style Outer Barrel for G17 - Gold](http://rock-et.jp/cdn/shop/files/gb-459-g_respimgsize.jpg?v=1776917992)
![[5KU] Backup Tactical Style Spots Thread Protector Gold (14mm CCW)](http://rock-et.jp/cdn/shop/files/gb-455-g_respimgsize.jpg?v=1776917769)
![[5KU] Round Cocking Handle GOLD for Tokyo Marui Hi-Capa 5.1](http://rock-et.jp/cdn/shop/files/gb-283-g_respimgsize.jpg?v=1776917664)
![[5KU] Skidproof Thumb Rest Right Hand Gold for HI-CAPA Series](http://rock-et.jp/cdn/shop/files/gb-282-gdr_respimgsize.jpg?v=1776917541)
![[5KU] Cocking Handle BK Compatible with Tokyo Marui HI-CAPA 5.1](http://rock-et.jp/cdn/shop/files/gb-280-b_respimgsize.jpg?v=1776917373)
![[5KU] Adjustable Thumb Rest - Red - For Hi-Capa Series](http://rock-et.jp/cdn/shop/files/gb-278-r_respimgsize.jpg?v=1776917267)
