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 Geissele SMR type 10.5-inch handguard compatible with real size HK416 GBB (VFC, etc.). It is an ultra-lightweight free-float handguard.The seamless 20mm top rail is long enough to...
This is a rear sight rail for the AK series, released by overseas airsoft parts manufacturer 5KU. By simply replacing the original rear sight, you can add 20mm compatible parts...
A lower handguard that can be used with the separately sold Zenit B-31/B-31N type upper handguard. It is equipped with a Picatinny rail on the bottom, suitable for attaching foregrips...
This KAC-type QD silencer is released by the overseas airsoft parts manufacturer 5KU. It is made entirely of metal and comes with an M4 flash hider with a 14mm counter-clockwise...
Polite Shooter type KeyMod handguard compatible with LCT/GHK AK-105. It has a cylindrical, slim shape that is easy to grip. In addition, KeyMod slots are provided on all sides, providing...
Aluminum nozzle block compatible with Action Army AAP01.*This product is for advanced users and requires airgun disassembly and assembly skills.[Notes]This product is an overseas-made airgun part. Please understand the following...
The DL-1 type additional attachment rail can be used with separately sold Zenit type forends (B-10L/Sport-1 B-31L). By extending the lower handguard, it is possible to add more attachment holes...
Action Army AAP01 compatible carbine kit Type B.It can be customized into a highly versatile carbine with features like a top rail and Picatinny stock base.Another attractive feature is the...
Strike Industries type trigger compatible with standard M4 electric guns. The trigger face is a straight type for intuitive feel, and features a characteristic lightning-shaped lightening cut.This product is for...
Tokyo Marui Hi-Capa/M1911 compatible slide stop Type 3.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...
Strike Industries type bolt catch compatible with standard M4 electric guns. The enlarged bolt catch lever provides comfortable operation.This product is intended for advanced users and requires airsoft gun disassembly...
Action Army AAP01 compatible RMR mount and front sight set.Includes red and green fiber optic inserts.*This product is intended for advanced users and requires airsoft gun disassembly and assembly skills.[Notice]This...
Strike Industries type bolt catch compatible with standard M4 electric guns. The enlarged bolt catch lever provides comfortable operation.This product is intended for advanced users and requires airsoft gun disassembly...
This is an SF3P-type flash hider and SOCOM46-MINI suppressor set compatible with MP7s with 12mm CCW threads. In addition to using the flash hider alone, you can also change the...
Strike Industries type bolt catch compatible with standard M4 electric guns. The enlarged bolt catch lever provides comfortable operation.This product is intended for advanced users and requires airsoft gun disassembly...
This is a CNC aluminum machined middle frame from 5KU.Features:・High-precision, high-strength, lightweight aluminum alloy machined & anodized surface treatment・Available in four colors: Black/Gold/Silver/Red・2011 markingSpecifications:・Overall length: 185mm・Weight: 77g・Material: Aluminum・Compatibility: Tokyo Marui...
This is a CNC machined aluminum mid-frame manufactured by 5KU.Features:・High-precision, high-strength, lightweight aluminum alloy machined and anodized surface treatment・Available in four color variations: Black/Gold/Silver/Red・2011 Marking・Equipped with under railSpecifications:・Overall length: 160mm・Weight:...
The Zenit PUTNIK type suppressor features a distinctive, large appearance. It is compatible with 24mm positive thread / 14mm negative thread, making it attachable to a wide range of AK...
5KU SI Type Latchless Charging Handle FDE (Compatible with Tokyo Marui M4 MWS)[Specifications]Compatible models: Tokyo Marui MWS seriesColor: FDEMaterial: Aluminum alloyWeight: 35g[Precautions]This product is an overseas airsoft gun part. Please...
5KU Type 1 Recoil Spring Plug for Hi-CAPA 5.1. Compatible with various Hi-CAPA 5.1 series models.【Specifications】Color: BlackMaterial: Aluminum alloyWeight: 8g【Precautions】This product is an overseas airsoft gun part. Please understand the...
This is a 5KU aluminum recoil spring plug for Hi-Capa 4.3.[Specifications]Color: RedMaterial: Aluminum alloyWeight: 5g[Precautions]This product is an airsoft gun part made overseas. Please understand the following points before purchasing.■...
This is an aluminum recoil spring plug for 5KU Hi-Capa 4.3.[Specifications]Color: BlackMaterial: Aluminum alloyWeight: 5g[Please note]This product is an airsoft gun part made overseas. Please understand the following points before...
Type 1 recoil spring plug for Hi-Capa 5.1, manufactured by 5KU. Compatible with Hi-Capa 5.1 series models from various manufacturers. Features a lightweight design with cutouts.【Specifications】Color: RedMaterial: Aluminum alloyWeight: 5g【Precautions】This...
5KU Type 1 Recoil Spring Plug for Hi-CAPA 4.3. Can be used with various manufacturers' Hi-CAPA 4.3 series models.[Specifications]Color: BlackMaterial: Aluminum alloyWeight: 4g[Precautions]This product is an airsoft gun part made...
![[5KU] Geissele SMR HK416 Type Rail Handguard 10.5inch (VFC HK416 GBB) BK](http://rock-et.jp/cdn/shop/files/8_000000017218_respimgsize.jpg?v=1777360472)
![[5KU] AK Rear Sight Rail](http://rock-et.jp/cdn/shop/files/5ku-146_respimgsize.jpg?v=1777360278)
![[5KU] Zenit B-30U Type Lower Handguard BK](http://rock-et.jp/cdn/shop/files/5ku-279-bk_respimgsize.jpg?v=1777360310)
![[5KU] Polite Shooter VS-25 KeyMod Handguard (AK105) BK](http://rock-et.jp/cdn/shop/files/5ku-285-bk_respimgsize.jpg?v=1777359696)
![[5KU] Aluminum Nozzle Block (Action Army AAP01 Compatible)](http://rock-et.jp/cdn/shop/files/abaap-017_respimgsize.jpg?v=1777359532)
![[5KU] Zenit DL-1 Style Additional Attachment Rail](http://rock-et.jp/cdn/shop/files/5ku-281-bk_respimgsize.jpg?v=1777359554)
![[5KU] Carbine Kit Type B (Compatible with Action Army AAP01) BK](http://rock-et.jp/cdn/shop/files/abaap-019-bk_respimgsize.jpg?v=1777359266)
![[5KU] SI Type Straight Trigger [STD M4 AEG] FDE](http://rock-et.jp/cdn/shop/files/5ku-286-fde_respimgsize.jpg?v=1777359293)
![[5KU] Stainless Steel Slide Stop Type 3 (Tokyo Marui Hi-CAPA/1911) BK](http://rock-et.jp/cdn/shop/files/gb-501-bk_respimgsize.jpg?v=1777359137)
![[5KU] SI AR-EBC Type Bolt Catch [STD M4 AEG] BK](http://rock-et.jp/cdn/shop/files/5ku-287-bk_respimgsize.jpg?v=1777359089)
![[5KU] RMR Mount & Front Sight Set (Compatible with Action Army AAP01)](http://rock-et.jp/cdn/shop/files/abaap-021_respimgsize.jpg?v=1777358979)
![【5KU】SI AR-EBC Type Bolt Catch [STD M4 AEG] FDE](http://rock-et.jp/cdn/shop/files/5ku-287-fde_respimgsize.jpg?v=1777358891)
![【5KU】SI AR-EBC Type Bolt Catch [STD M4 AEG] RED](http://rock-et.jp/cdn/shop/files/5ku-287-r_respimgsize.jpg?v=1777358733)
![[5KU] CNC Aluminum Middle Frame 4.3 inch Type 1 Black (Compatible with Tokyo Marui Hi-Capa Series)](http://rock-et.jp/cdn/shop/files/gb-570-bk_respimgsize.jpg?v=1777358598)
![[5KU] CNC Aluminum Cut 3.9 Inch Mid Frame Type 4 Black (Compatible with Tokyo Marui Hi-Capa Series)](http://rock-et.jp/cdn/shop/files/gb-564-bk_respimgsize.jpg?v=1777358467)
![[5KU] Zenit PUTNIK Type Silencer [24mm CW/14mm CCW] BK](http://rock-et.jp/cdn/shop/files/5ku-289-bk_respimgsize.jpg?v=1777358481)
![[5KU] Hi-Capa 5.1 Recoil Spring Plug Type 1 Model GD](http://rock-et.jp/cdn/shop/files/gb-569-bk_respimgsize.jpg?v=1777353516)
![[5KU] Hi-Capa 4.3 Aluminum Spring Guide Plug RD](http://rock-et.jp/cdn/shop/files/gb-568-rd_respimgsize.jpg?v=1777353414)
![[5KU] Hi-Capa 4.3 Aluminum Spring Guide Plug BK](http://rock-et.jp/cdn/shop/files/gb-568-bk_respimgsize.jpg?v=1777353332)
![[5KU] Hi-Capa 5.1 Recoil Spring Plug Type 1 Lightweight Model RD](http://rock-et.jp/cdn/shop/files/gb-567-rd_respimgsize.jpg?v=1777353229)
![[5KU] Hi-Capa 4.3 Recoil Spring Plug Type 1 Model BK](http://rock-et.jp/cdn/shop/files/gb-566-bk_respimgsize.jpg?v=1777353051)
