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 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...
This is a ZEV Universal PRO style magwell compatible with Tokyo Marui/VFC full-size frame Glock 17 (18C/22/34). The Universal Pro is primarily intended to be fitted to race-gun Glocks, and...
Fowler Industries type trigger compatible with Tokyo Marui Glock series. This product is for advanced users and requires the ability to disassemble and assemble air guns. [Notes] This product is...
This is a custom part for the Tokyo Marui Hi-CAPA GBB series that reproduces the Strayer-Voigt Infinity (SV INFINITY) style extra-wide ambisum safety. Made from durable CNC stainless steel with...
This is a magazine plate compatible with Tokyo Marui's Glock series magazines. It features a regularly-spaced honeycomb design. *This product is for advanced users and requires the ability to disassemble...
This is a Strike Industries type AR-15 shift pin compatible with the M4 GBB. The QD mechanism design allows for easy removal by simply rotating the extended knob, without the...
This is a magazine base compatible with Tokyo Marui's Hi-Capa series magazines. Trapezoidal designs are engraved in three places on the bottom, making it ideal for customizing your race gun....
This is a compensator for the Hi-Capa that incorporates an outer barrel specifically designed for use with the separately sold outer barrel. It is ideal for customizing race guns. *This...
This is a compensator for the Hi-Capa that incorporates an outer barrel specifically designed for use with the separately sold outer barrel. It is ideal for customizing race guns. *This...
This is a thumb rest for the Hi-Capa series. The thumb rest has a non-slip coating, making it the perfect part for customizing your race gun. Please note that installation...
This Hot Shot-style magwell is compatible with Tokyo Marui's Hi-Capa series. It allows for quick mag changes and a secure grip. The design features fine, evenly spaced horizontal lines, making...
This is a cocking handle compatible with Tokyo Marui's Hi-Capa series. It is ideal for customizing your race gun. It can be installed by replacing the rear sight. [Notes] This...
This is a cocking handle compatible with Tokyo Marui's Hi-Capa series. It is ideal for customizing your race gun. It can be installed by replacing the rear sight. [Notes] This...
This is a cocking handle compatible with Tokyo Marui's Hi-Capa series. It is ideal for customizing your race gun. It can be installed by replacing the rear sight. [Notes] This...
A smartly designed pistol grip for M4 GBB. It is made of high-precision CNC aluminum and features a distinctive rear stippling. By attaching the separately sold grip cover (model number...
This hand grip is from 5KU, an overseas airsoft parts manufacturer. It is made from CNC machined aluminum, offering excellent strength and precision. It is designed specifically for use with...
This hand grip is from the overseas airsoft parts manufacturer 5KU. It is made from CNC machined aluminum and is strong and precise. For KEYMOD rails only. [Notes] This product...
This 7-slot rail section is compatible with the M-LOK system and is made of lightweight aluminum. [Basic specifications] 5KU Material: Aluminum M-LOK system compatible [Notes] This product is an airsoft...
This 5KU folding stock for AK rifles is a replica of the PT-5 folding stock, a well-known Russian custom part. It's compatible with the GHK AKM V3 gas blowback series...
This product is a 5KU outer barrel for electric M4, designed with the SAI (Salient Arms International) AR15 box fluted barrel as a motif. It reproduces the distinctive box-shaped flute...
This product is a 5KU replica silencer & KeyMo flash hider set, modeled after Dead Air Armament's SANDMAN PYRO.The coloring replicates that used to inform allies that non-lethal training ammunition...
This product is a 5KU replica silencer and KeyMo flash hider set based on Dead Air Armament's training SANDMAN-S suppressor. The livery is reproduced to let allies know that non-lethal...
This product is a 5KU replica silencer & KeyMo flash hider set that reproduces the training SANDMAN-K suppressor from Dead Air Armament.The coloring, which indicates to allies that non-lethal training...
This product is a 5KU grip and magwell set, modeled after Eemann Tech grips and Brass magwells. It is compatible with KJ WORKS/ASG CZ SHADOW 2, and is designed to...
![[5KU] UTG PRO Type MP5 Monolithic M-LOK Handguard for CYMA MP5](http://rock-et.jp/cdn/shop/files/5ku-403_respimgsize.jpg?v=1772156881)
![[5KU] ZEV Universal PRO Style Magwell Marking Ver. Red - Compatible with Tokyo Marui/VFC Glock Series](http://rock-et.jp/cdn/shop/files/gb-444-r_1_respimgsize.jpg?v=1772168808)
![[5KU] FI Type Trigger (Compatible with Tokyo Marui Glock Series)](http://rock-et.jp/cdn/shop/files/gb-488-s_4_respimgsize.jpg?v=1772156286)
![[5KU] SV INFINITY Type EXTRA WIDE Ambient Thumb Safety GD for Tokyo Marui Hi-CAPA](http://rock-et.jp/cdn/shop/files/gb-605-gd_1_2_12c37355-7fe9-46c4-b660-f16f4579861f_respimgsize.jpg?v=1774947248)
![[5KU] HIVE Magazine Plate / Compatible with Tokyo Marui Glock Magazines](http://rock-et.jp/cdn/shop/files/gb-267_1_respimgsize.jpg?v=1772154822)
![[5KU] AR-15 Shift Pin GD - Strike Industries Type / Compatible with M4 GBB](http://rock-et.jp/cdn/shop/files/gb-157-g_1_respimgsize.jpg?v=1772154149)
![[5KU] Metal Magazine Base Type 1 Black / for Tokyo Marui HI-CAPA Series](http://rock-et.jp/cdn/shop/files/gb-260-b_1_respimgsize.jpg?v=1772153163)
![[5KU] Compensator Type 3 SV for Tokyo Marui HI-CAPA Series [For use with separately sold outer barrels]](http://rock-et.jp/cdn/shop/files/gb-295-s_1_respimgsize.jpg?v=1772152184)
![[5KU] Compensator Type 3 Black for Tokyo Marui HI-CAPA Series [For use with separately sold outer barrels]](http://rock-et.jp/cdn/shop/files/gb-295-b_1146862e-8d32-4d82-9cad-9ef7c8e2c43f_respimgsize.jpg?v=1774845527)
![[5KU] Skidproof Thumb Rest, Right, Blue, for HI-CAPA Series](http://rock-et.jp/cdn/shop/files/gb-282-bur_a175b73f-20f0-4e58-b429-9b679594af52_respimgsize.jpg?v=1774845662)
![[5KU] Hot Shot Style Magwell BLUE for Tokyo Marui HI-CAPA Series](http://rock-et.jp/cdn/shop/files/gb-258-bl_6e415a06-f1b4-454f-a3a6-0f4a093b18b0_respimgsize.jpg?v=1774845768)
![[5KU] CNC Cocking Handle RED/Left Side for Tokyo Marui HI-CAPA Series](http://rock-et.jp/cdn/shop/files/gb-239-rdl_9af8d565-63d9-49a2-8f5b-828bd1759aa9_respimgsize.jpg?v=1774845980)
![[5KU] CNC Cocking Handle BLUE/Left Side for Tokyo Marui HI-CAPA Series](http://rock-et.jp/cdn/shop/files/gb-239-bll_c07b6617-74c3-477a-832e-148a539025d9_respimgsize.jpg?v=1774845929)
![[5KU] CNC Cocking Handle BLUE/Right Side for Tokyo Marui HI-CAPA Series](http://rock-et.jp/cdn/shop/files/gb-239-blr_ba70394d-1dd0-4976-afdf-74ed5720a723_respimgsize.jpg?v=1774845870)
![[5KU] CNC Aluminum Modular Pistol Grip (Ball) Type 1 for M4 GBB](http://rock-et.jp/cdn/shop/files/gb-152-a_563808a1-e182-43a6-9eec-a66ced95e8db_respimgsize.jpg?v=1774846463)
![[5KU] Keymod K20 Angled Foregrip (RED)](http://rock-et.jp/cdn/shop/files/5ku-188-r_7ea7def8-3b0c-41f8-8d4b-78ba74ff344c_respimgsize.jpg?v=1774326117)
![[5KU] Keymod B5 Type Hand Grip RED](http://rock-et.jp/cdn/shop/files/5ku-187-r_cefc6a88-f4b3-4d5b-a425-7aeb111f6685_respimgsize.jpg?v=1774326019)
![[5KU] M-LOK 7-Slot QD Rail Section](http://rock-et.jp/cdn/shop/files/5ku-233_e8a01a46-5e28-444a-9214-afa86f13a738_respimgsize.jpg?v=1774326400)
![[5KU] Zenit PT-5 Type Folding Stock for GHK AKM V3 GBB](http://rock-et.jp/cdn/shop/files/gb-172-bk_5338a513-973c-436a-b85a-9923798358c2_respimgsize.jpg?v=1774846336)
![[5KU] SAI Type Box Fluted Aluminum Outer Barrel, 11.5 inches, for Standard AEG M4](http://rock-et.jp/cdn/shop/files/5ku-259_ffa1aa67-2df9-4cc6-ba65-9e6324c7ad85_respimgsize.jpg?v=1774326582)
![[5KU] Dead Air Type Training SANDMAN PYRO Muzzle Break KeyMo Flash Hider Replica Set, 14mm CCW Thread Compatible](http://rock-et.jp/cdn/shop/files/5ku-349-bu_381f79f3-36b0-47f5-b0c9-7126f13f7812_respimgsize.jpg?v=1774327069)
![[5KU] Dead Air Type Training SANDMAN-S Silencer & KeyMo Flash Hider Replica Set, 14mm CCW Thread Compatible](http://rock-et.jp/cdn/shop/files/5ku-316-bu_respimgsize.jpg?v=1772082582)
![[5KU] Dead Air Type Training SANDMAN-K Silencer & KeyMo Flash Hider Replica Set, 14mm CCW Thread Compatible](http://rock-et.jp/cdn/shop/files/5ku-315-bu_f393096c-83ce-4067-b2fa-088def7fb856_respimgsize.jpg?v=1774326749)
![[5KU] Eemann Tech Type Grip Brass Magwell Set for Black KJ / ASG CZ SHADOW 2](http://rock-et.jp/cdn/shop/files/gbsd2028bk_43275015-906c-418b-9c0d-6e2296e8ce11_respimgsize.jpg?v=1774334768)
