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 product is an adjustable trigger that is precisely machined from aluminum using CNC machining. It has a mechanism that allows you to adjust the trigger stroke, allowing you to...
This product is an adjustable trigger that is precisely machined from aluminum using CNC machining. It has a mechanism that allows you to adjust the trigger stroke, allowing you to...
This magazine catch button is based on a custom design by Boss Components. Crafted from CNC-machined aluminum, it's lightweight and highly precise. Its easy-to-press design allows for smooth magazine changes...
This magazine catch button is based on a custom design by Boss Components. Crafted from CNC-machined aluminum, it's lightweight and highly precise. Its easy-to-press design allows for smooth magazine changes...
This 5KU stainless steel thumb safety is compatible with the KJW/ASG CZ Shadow 2 and TS2 gas blowback series. Its CNC-machined stainless steel construction provides both durability and precision. Its...
This is a 5KU stainless steel hammer protection pad for the Tokyo Marui HI-CAPA gas blowback series. Its internal reinforcement reduces impact and wear around the hammer, making it an...
This 5KU stainless steel valve knocker lock is compatible with Tokyo Marui HI-CAPA and M1911 gas blowback guns. The internal parts, which are subject to stress during operation, are made...
This is a custom part from airsoft parts manufacturer 5KU. This replica is an exterior part for airsoft guns that reproduces the DoubleTap Sports Ambi Thumb Safety. The material is...
This replica is an exterior part for airsoft guns that reproduces the UTG PRO Monolithic M-LOK Handguard for MP5. This part combines a 20mm top rail mount and an M-LOK...
ZEV PRO V2 type compensator (14mm reverse thread) suitable for mounting on the Glock series. This product is for advanced users and requires the ability to disassemble and assemble air...
ZEV PRO V2 type compensator (14mm reverse thread) suitable for mounting on the Glock series. This product is for advanced users and requires the ability to disassemble and assemble air...
This product is a stock hinge assembly compatible with MCX / MPX / JM style folding stocks. It can be attached to receivers equipped with 1913 standard 20mm Picatinny rails...
This adjustable flat trigger is compatible with the SIG AIR/VFC P320 GBB pistol series (M17/M18/XCarry). The trigger pull and travel distance can be adjusted separately, allowing for precise tuning of...
This Dueck Defense-style RBU (Red Dot Back Up Sight Base) is for the RMR red dot sight. It's a replica of the red dot backup sight base for Glock guns,...
This is an optics mount exclusively for 5KU RMR/SRO. This is a mounting plate exclusively for the Tokyo Marui GLOCK17GEN5MOS model. When installing, please attach the plate and dot of...
This product is a 5KU stainless steel thumb safety compatible with the KJW/ASG CZ Shadow 2 and TS2 gas blowback series. It features an ambidextrous wide design that makes it...
This is a stainless steel magazine catch made by airsoft parts manufacturer 5KU. This is an upgrade part compatible with the KJW/ASG CZ Shadow 2 and TS2 gas blowback series,...
This product is a Zendl Type 5KU stainless steel ambidextrous thumb safety. This upgrade part is compatible with KJ Works/ASG CZ Shadow 2 and TS2 gas blowback guns and is...
This replica is a reproduction of the CRC 1U004A handguard made by Ukrainian firearms manufacturer KPYK. It can be customized into a modernized AK that combines expandability and functionality. The...
This product is a 5KU genuine shape stainless steel thumb safety. This upgrade part is compatible with the SIG AIR/VFC P320 series gas blowback guns and is designed to improve...
This product is a 5KU genuine shape stainless steel thumb safety. This upgrade part is compatible with the SIG AIR/VFC P320 series gas blowback guns and is designed to improve...
This product is a 5KU genuine stainless steel takedown lever. This upgrade part is compatible with the SIG AIR/VFC P320 series gas blowback guns and is designed to improve durability...
This product is a 5KU genuine stainless steel takedown lever. This upgrade part is compatible with the SIG AIR/VFC P320 series gas blowback guns and is designed to improve durability...
SLR Rifleworks' Synergy Linear Hybrid Comp is now available as a tracer with muzzle flash! This model replicates the popular heat gradient look of the Synergy Linear Hybrid Comp, where...
![[5KU] Aluminum Adjustable Trigger for SV KJ / ASG CZ SHADOW 2](http://rock-et.jp/cdn/shop/files/gbsd2036sv_8d266542-bba2-48e6-88f5-a7b0b131771b_respimgsize.jpg?v=1774334448)
![[5KU] Aluminum Adjustable Trigger Black for KJ/ASG CZ SHADOW 2](http://rock-et.jp/cdn/shop/files/gbsd2036bk_a5a019c7-37dc-4df0-9e97-5e50dee9fa94_respimgsize.jpg?v=1774334524)
![[5KU] Boss Components CNC Aluminum Magazine Catch Button for SV KJ / ASG CZ SHADOW 2/TS2](http://rock-et.jp/cdn/shop/files/gbsd2034sv_f9ad47c7-a293-4524-a313-8099c9539752_respimgsize.jpg?v=1774334565)
![[5KU] Boss Components CNC Aluminum Magazine Catch Button Black for KJ/ASG/CZ SHADOW 2/TS2](http://rock-et.jp/cdn/shop/files/gbsd2034bk_25989eb8-cab5-4fa5-b6c8-b4253b09b571_respimgsize.jpg?v=1774334607)
![[5KU] Stainless Steel Thumb Safety Type D for KJ / ASG CZ Shadow 2 and TS2 GBB](http://rock-et.jp/cdn/shop/files/gbsd2020bk_baa00f95-65f7-4803-9e90-2f2a15dc5ffb_respimgsize.jpg?v=1774334828)
![[5KU] Stainless Steel Hammer Protection Pad for Tokyo Marui Hi-Capa GBB](http://rock-et.jp/cdn/shop/files/gb-630_ba10550a-09bb-4682-b9a9-ff59b32a4e26_respimgsize.jpg?v=1774335103)
![[5KU] Stainless Steel Valve Knocker Lock for Tokyo Marui Hi-Capa / M1911 GBB](http://rock-et.jp/cdn/shop/files/gb-624_fa69d57a-7d6f-49ed-8656-a1707ea44ecb_respimgsize.jpg?v=1774335162)
![[5KU] DTS Type Ambidextrous Safety, Stainless Steel, BN, for Tokyo Marui Hi-Capa](http://rock-et.jp/cdn/shop/files/gb-594-bn_0a5b5d35-b1b5-4e23-98b1-8a149ec96abb_respimgsize.jpg?v=1774335333)
![[5KU] UTG PRO Type MP5 Monolithic M-LOK Handguard for CYMA MP5 Airsoft Airsoft Guns](http://rock-et.jp/cdn/shop/files/5ku-430_5a478353-a946-4dcc-9aa5-9432413b7382_respimgsize.jpg?v=1774328536)
![[5KU] ZEV PRO Type Compensator V2 (14mm CCW) TN](http://rock-et.jp/cdn/shop/files/gb-492-t_46fa1249-5e16-4c3f-a5d7-efd321941992_respimgsize.jpg?v=1774845046)
![[5KU] ZEV PRO Type Compensator V2 (14mm CCW Thread) GD](http://rock-et.jp/cdn/shop/files/gb-492-g_28f4ca66-6b92-4d15-84c8-c71aafba395a_respimgsize.jpg?v=1774845104)
![[5KU] MCX MPX Type Folding Steel Stock Adapter](http://rock-et.jp/cdn/shop/files/5ku-431_22e1c5c7-1da4-4c29-8546-203d5895951c_respimgsize.jpg?v=1774328607)
![[5KU] Adjustable Straight Trigger, Stainless Steel, Black, VFC P320, Compatible with M17/M18](http://rock-et.jp/cdn/shop/files/gbvm017bk_3c03cfe3-c79d-4c6c-82d7-afe6c13f8b92_respimgsize.jpg?v=1774329959)
![[5KU] Dueck Defense Style RMR Dot Sight RBU Black](http://rock-et.jp/cdn/shop/files/gb-434_5575e709-4550-4790-8580-88d85976688c_respimgsize.jpg?v=1774845487)
![[5KU] RMR/SRO Optics Mount Black (Compatible with Tokyo Marui GLOCK17GEN5 MOS)](http://rock-et.jp/cdn/shop/files/gbtm17g5-001_5bde09ff-9c75-457e-a075-2fbf7d413e32_respimgsize.jpg?v=1774330887)
![[5KU] Stainless Steel Wide Thumb Safety for KJ/ASG CZ Shadow 2 and TS2 GBBs](http://rock-et.jp/cdn/shop/files/gbsd2018bk_c5468bc5-9734-44ca-bc92-7b97ce6b6f8c_respimgsize.jpg?v=1774334868)
![[5KU] Stainless Steel Magazine Catch for KJ/ASG, CZ Shadow 2, and TS2 GBB](http://rock-et.jp/cdn/shop/files/gbsd2029bk_31cacce5-1608-400e-8246-741d52c93570_respimgsize.jpg?v=1774334711)
![[5KU] Zendl Type Stainless Steel Wide Thumb Safety for KJ/ASG CZ Shadow 2 and TS2 GBB](http://rock-et.jp/cdn/shop/files/gbsd2030bk_1c8fe0e5-f564-4b03-bbf4-63ce5dacd527_respimgsize.jpg?v=1774334658)
![[5KU] KPYK Type AK CRC 1U004A M-LOK Handguard for Tokyo Marui AKM GBB](http://rock-et.jp/cdn/shop/files/gbtmak015bk_8bab0389-f8e3-4634-ab6a-dc1340543290_respimgsize.jpg?v=1774330511)
![[5KU] SIG-Type Stainless Steel Thumb Safety for SIG AIR/VFC P320 Series GBBs, Black](http://rock-et.jp/cdn/shop/files/gbvm014bk_5142ca96-93f8-4690-9337-b56aac45a914_respimgsize.jpg?v=1774330128)
![[5KU] SIG-Type Stainless Steel Thumb Safety for SIG AIR/VFC P320 Series GBBs, Gold](http://rock-et.jp/cdn/shop/files/gbvm014gd_5a6f1d20-46e4-4e73-bed3-c5d1418c0436_respimgsize.jpg?v=1774330084)
![[5KU] SIG-Type Stainless Steel Takedown Lever for SIG AIR/VFC P320 Series GBBs, Black](http://rock-et.jp/cdn/shop/files/gbvm015bk_e7404442-58b9-463c-9de2-0e366042cb79_respimgsize.jpg?v=1774330044)
![[5KU] SIG-Type Stainless Steel Takedown Lever for SIG AIR/VFC P320 Series GBB, Gold](http://rock-et.jp/cdn/shop/files/gbvm015gd_2c9a793d-2411-4b7e-8d7d-d945e8b26a4b_respimgsize.jpg?v=1774329999)
![[5KU] SLR Linear Type Muzzle Flash Tracer Heat Gradient](http://rock-et.jp/cdn/shop/products/5ku-slr-linear-tracer_respimgsize.jpg?v=1634627867)
