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5KU

5Ku

5KU is a brand that specializes in producing aftermarket parts and accessories for airsoft guns. The company is based in Taiwan and was founded in 2006. 5KU produces a range of upgrade parts and accessories for airsoft guns, such as outer barrels, internal parts, and rail systems. These parts are designed to enhance the performance and reliability of airsoft guns, allowing players to customize their weapons to suit their specific needs and preferences. Most known for their folding stocks and tracers. If you are looking for accessories to upgrade your airsoft gun's aesthetic, be sure to give 5KU a look!

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  1. 5KU 1911 Punisher Compensator For Tokyo Marui 1911 Style 1 - Silver 1
    5KU 1911 Punisher Compensator For Tokyo Marui 1911 Style 1 - Silver 5KU-GB-439-S
    5KU
    Special Price $10.00 Regular Price $13.99
    Save 29%
  2. 5KU 1911 Punisher Compensator For Tokyo Marui 1911 Style 2 - Black 1
    5KU 1911 Punisher Compensator For Tokyo Marui 1911 Style 2 - Black 5KU-GB-440-BK
    5KU
    Special Price $10.00 Regular Price $13.99
    Save 29%
  3. 5KU 1911 Punisher Compensator For Tokyo Marui 1911 Style 2 - Silver 1
    5KU 1911 Punisher Compensator For Tokyo Marui 1911 Style 2 - Silver 5KU-GB-440-S
    5KU
    Special Price $10.00 Regular Price $13.99
    Save 29%
  4. 5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (14.5 inch M4 Carbine) - 14mm CCW (Require AEG Spec Barrel Nut & Sight) 1
    5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (14.5 inch M4 Carbine) - 14mm CCW (Require AEG Spec Barrel Nut & Sight) 5KU-MWS-7
    5KU
    Special Price $20.00 Regular Price $22.99
    Save 13%
  5. 5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (14.5inch Lightweight M4 Carbine)-14mm CCW (Require AEG Spec Barrel Nut) 1
    5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (14.5inch Lightweight M4 Carbine)-14mm CCW (Require AEG Spec Barrel Nut) 5KU-MWS-8
    5KU
    Special Price $20.00 Regular Price $22.99
    Save 13%
  6. 5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (14.5inch M4 Mid-length Carbine)-14mm CCW (Require AEG Spec Barrel Nut) 1
    5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (14.5inch M4 Mid-length Carbine)-14mm CCW (Require AEG Spec Barrel Nut) 5KU-MWS-9
    5KU
    Special Price $20.00 Regular Price $22.99
    Save 13%
  7. 5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (16inch Lightweight M4 Mid-length Carbine)-14mm CCW (Require AEG Barrel Nut) 1
    5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (16inch Lightweight M4 Mid-length Carbine)-14mm CCW (Require AEG Barrel Nut) 5KU-MWS-12
    5KU
    Special Price $20.00 Regular Price $24.99
    Save 20%
  8. 5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (16 inch M4 Mid-length Carbine)-14mm CCW (Require AEG Spec Barrel Nut) 1
    5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (16 inch M4 Mid-length Carbine)-14mm CCW (Require AEG Spec Barrel Nut) 5KU-MWS-10
    5KU
    Special Price $20.00 Regular Price $24.99
    Save 20%
  9. 5KU Aluminum Barrel (18 inch M4 Mid-length Carbine) for Tokyo Marui M4 MWS (14mm CCW) (Require AEG Barrel Nut) 1
    5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (18 inch M4 Mid-length Carbine) - 14mm CCW (Require AEG Barrel Nut) 5KU-MWS-13
    5KU
    Special Price $22.09 Regular Price $25.99
    Save 15%
  10. 5KU Tokyo Marui Hi Capa Fiber Optic Sight (Glow) - Type 2 1
    5KU Tokyo Marui Hi Capa Fiber Optic Sight (Glow) - Type 2 5KU-GB-293
    5KU
    Special Price $10.79 Regular Price $11.99
    Save 10%
  11. 5KU Threaded Barrel Protector (Diagonals Knurled) - 14mm CCW (Black) 1
    5KU Threaded Barrel Protector (Diagonals Knurled) - 14mm CCW (Black) 5KU-GB-456-BK
    5KU
    Special Price $6.29 Regular Price $6.99
    Save 10%
  12. 5KU Threaded Barrel Protector (Diagonals Knurled) - 14mm CCW (Gold) 1
    5KU Threaded Barrel Protector (Diagonals Knurled) - 14mm CCW (Gold) 5KU-GB-456-G
    5KU
    Special Price $5.73 Regular Price $6.99
    Save 18%
  13. 5KU Threaded Barrel Protector (Diagonals Knurled) - 14mm CCW (Silver) 1
    5KU Threaded Barrel Protector (Diagonals Knurled) - 14mm CCW (Silver) 5KU-GB-456-S
    5KU
    Special Price $6.29 Regular Price $6.99
    Save 10%
  14. GK Tactical TP-Pro Knurled Thread Protector - 14mm CCW - Black 1
    5KU Threaded Barrel Protector (TP-Pro Knurled) - 14mm CCW (Black) 5KU-GB-451-BK
    5KU
    Special Price $6.29 Regular Price $6.99
    Save 10%
  15. 5KU Thread Barrel Protector (TP-Pro Knurled) - 14mm CCW (Gold) 1
    5KU Thread Barrel Protector (TP-Pro Knurled) - 14mm CCW (Gold) 5KU-GB-451-G
    5KU
    Special Price $4.49 Regular Price $4.99
    Save 10%
  16. 5KU Threaded Barrel Protector (TP-Pro Knurled) - 14mm CCW (Silver) 1
    5KU Threaded Barrel Protector (TP-Pro Knurled) - 14mm CCW (Silver) 5KU-GB-451-S
    5KU
    $4.99
  17. 5KU SAS Front Kit for Tokyo Marui G17 / G18 GBB 1
    5KU SAS Front Kit for Tokyo Marui G17 / G18 GBB 5KU-GB-289
    5KU
    Special Price $26.09 Regular Price $28.99
    Save 10%
  18. 5KU Tokyo Marui Hi Capa GBB Airsoft Magwell (Tactical) - Black 1
    5KU Tokyo Marui Hi Capa GBB Airsoft Magwell (Tactical) - Black 5KU-GB-441-BK
    5KU
    $21.99
  19. 5KU Tokyo Marui Hi Capa GBB Airsoft Magwell (Tactical) - Red 1
    5KU Tokyo Marui Hi Capa GBB Airsoft Magwell (Tactical) - Red 5KU-GB-441-RD
    5KU
    Special Price $20.00 Regular Price $21.99
    Save 9%
  20. 5KU Tokyo Marui Hi Capa Optic Mount (Aluminum) - Black 1
    5KU Tokyo Marui Hi Capa Optic Mount (Aluminum) - Black Out of Stock 5KU-GB-458-BK
    5KU
    Special Price $20.00 Regular Price $21.99
    Save 9%
  21. 5KU Toyo Marui Hi Capa Optic Mount (Aluminum) - Red 1
    5KU Tokyo Marui Hi Capa Optic Mount (Aluminum) - Red Out of Stock 5KU-GB-458-R
    5KU
    Special Price $20.00 Regular Price $21.99
    Save 9%
  22. 5KU Toyo Marui Hi Capa Optic Mount (Aluminum) - Gold 1
    5KU Tokyo Marui Hi Capa Optic Mount (Aluminum) - Gold 5KU-GB-458-G
    5KU
    Special Price $20.00 Regular Price $21.99
    Save 9%
  23. 5KU Toyo Marui Hi Capa Optic Mount (Aluminum) - Silver 0
    5KU Toyo Marui Hi Capa Optic Mount (Aluminum) - Silver 5KU-GB-458-S
    5KU
    Special Price $20.00 Regular Price $21.99
    Save 9%
  24. 5KU Magwell (Compact) for Tokyo Marui G17/ G18C & Umarex/VFC Glock19 - Black 0
    5KU Magwell (Compact) for Tokyo Marui G17/ G18C & Umarex/VFC Glock19 - Black 5KU-GB-467-BK
    5KU
    $22.99
  25. 5KU AK Upper Handguard (Zenitco B-31C) for AK74 / AK105 AEG / GBB - Black 0
    5KU AK Upper Handguard (Zenitco B-31C) for AK74 / AK105 AEG / GBB - Black 5KU-269-BK
    5KU
    Special Price $44.99 Regular Price $49.99
    Save 10%
  26. 5KU Zenitco B-22 AK Classic Upper Rail for LCT / GHK AK AEG / GBB Airsoft Series - Black 0
    5KU Zenitco B-22 AK Classic Upper Rail for LCT / GHK AK AEG / GBB Airsoft Series - Black 5KU-265-BK
    5KU
    Special Price $10.00 Regular Price $11.99
    Save 17%
  27. 5KU VS-25 Aluminum AK-105 Tubular Handguard for LCT / GHK AK AEG / GBBR Airsoft Series 0
    5KU VS-25 Aluminum AK-105 Tubular Handguard for LCT / GHK AK AEG / GBBR Airsoft Series 5KU-285-BK
    5KU
    Special Price $41.64 Regular Price $48.99
    Save 15%
  28. 5KU AK Upper Rail (Zenitco B-12) AK Upper Rail for LCT / GHK AK AEG / GBB Series 0
    5KU AK Upper Rail (Zenitco B-12) AK Upper Rail for LCT / GHK AK AEG / GBB Series 5KU-271-BK
    5KU
    Special Price $10.00 Regular Price $14.99
    Save 33%
  29. Image
    5KU PT-3 Stock (AK Telescopic Foldable Stock) for AK AEG / GBB - Black 5KU-277-BK
    5KU
    Special Price $80.99 Regular Price $89.99
    Save 10%
  30. 5KU 11mm CW to 14mm CCW Adapter (Stainless Steel) - Silver 0
    5KU 11mm CW to 14mm CCW Adapter (Stainless Steel) - Silver 5KU-GB-477-S
    5KU
    $6.99
  31. 5KU AK Gas Tube Cover (Zenitco B-19N) for LCT / GHK AK Airsoft Series (except AKS74U) - Black 0
    5KU AK Gas Tube Cover (Zenitco B-19N) for LCT / GHK AK Airsoft Series (except AKS74U) - Black 5KU-272-BK
    5KU
    Special Price $12.87 Regular Price $13.99
    Save 8%
  32. 5KU B-19N Classic AK Gas Tube Cover for LCT/GHK AK Series (except AKS74U) - TAN 0
    5KU B-19N Classic AK Gas Tube Cover for LCT/GHK AK Series (except AKS74U) - TAN 5KU-272-T
    5KU
    Special Price $10.00 Regular Price $13.99
    Save 29%
  33. 5KU AK Lower Handguard (Zenitco B-10U) for LCT / GHK Airsoft AK Series(except AKS74U) - Black 0
    5KU AK Lower Handguard (Zenitco B-10U) for LCT / GHK Airsoft AK Series(except AKS74U) - Black 5KU-273-BK
    5KU
    Special Price $34.03 Regular Price $36.99
    Save 8%
  34. 5KU AK Lower Handguard (Zenitco B-11U) for LCT / GHK AKS74U - TAN 0
    5KU AK Lower Handguard (Zenitco B-11U) for LCT / GHK AKS74U - TAN 5KU-274-T
    5KU
    Special Price $34.79 Regular Price $39.99
    Save 13%
  35. 5KU AK Lower Handguard (Zenitco B-30U) for LCT / GHK AK AEG / GBBR - Desert TAN 0
    5KU AK Lower Handguard (Zenitco B-30U) for LCT / GHK AK AEG / GBBR - Desert TAN 5KU-279-T
    5KU
    Special Price $49.58 Regular Price $56.99
    Save 13%
  36. 5KU AK Lower Handguard (Zenitco B-30U) for LCT / GHK AK AEG / GBBR Airsoft - Black 0
    5KU AK Lower Handguard (Zenitco B-30U) for LCT / GHK AK AEG / GBBR Airsoft - Black 5KU-279-BK
    5KU
    Special Price $51.29 Regular Price $56.99
    Save 10%
  37. 5KU AK Upper Handguard (Zenitco B-31N Classic Low Profile) for LCT / GHK AK AEG / GBBR - Desert TAN 0
    5KU AK Upper Handguard (Zenitco B-31N Classic Low Profile) for LCT / GHK AK AEG / GBBR - Desert TAN 5KU-278-T
    5KU
    Special Price $29.57 Regular Price $33.99
    Save 13%
  38. 5KU AK Upper Handguard (Zenitco B-31N Classic Low Profile) for LCT/GHK AK AEG/GBBR Airsoft-BK (V2 2023 Version) 0
    5KU AK Upper Handguard (Zenitco B-31N Classic Low Profile) for LCT/GHK AK AEG/GBBR Airsoft-BK (V2 2023 Version) 5KU-278-BK
    5KU
    Special Price $30.59 Regular Price $33.99
    Save 10%
  39. 5KU AK Upper Rail (Zenitco B-18U Elongated AKS-74U Krink) for GHK / LCT AK AEG / GBB Series - TAN 0
    5KU AK Upper Rail (Zenitco B-18U Elongated AKS-74U Krink) for GHK / LCT AK AEG / GBB Series - TAN 5KU-276-T
    5KU
    Special Price $10.00 Regular Price $13.99
    Save 29%
  40. 5KU AK Upper Rail (Zenitco B-18U Elongated AKS-74U Krink) for GHK / LCT AK AEG / GBB Series-Black 0
    5KU AK Upper Rail (Zenitco B-18U Elongated AKS-74U Krink) for GHK / LCT AK AEG / GBB Series-Black 5KU-276-BK
    5KU
    Special Price $10.00 Regular Price $10.99
    Save 9%
  41. 5KU 1911 Punisher Compensator for Tokyo Marui 1911 GBB Airsoft Style 1 - Black 0
    5KU 1911 Punisher Compensator for Tokyo Marui 1911 GBB Airsoft Style 1 - Black 5KU-GB-439-BK
    5KU
    Special Price $10.00 Regular Price $13.99
    Save 29%
  42. 5KU Fiber Optic Sight (Glow) for Tokyo Marui Hi-Capa Series (Type 1) 0
    5KU Fiber Optic Sight (Glow) for Tokyo Marui Hi-Capa Series (Type 1) 5KU-GB-272
    5KU
    $9.99
  43. 5KU RP-1 Charging Handle for AK AEG / GBBR Airsoft Series 0
    5KU RP-1 Charging Handle for AK AEG / GBBR Airsoft Series 5KU-300-BK
    5KU
    Special Price $10.00 Regular Price $12.99
    Save 23%
  44. 5KU Threaded Barrel Protector (Hexagon) - 14mm CCW (Silver) 0
    5KU Threaded Barrel Protector (Hexagon) - 14mm CCW (Silver) 5KU-GB-483-S
    5KU
    Special Price $5.94 Regular Price $6.99
    Save 15%
  45. 5KU Trigger (Aluminum) FI Style for Tokyo Marui G Series GBB Airsoft - Silver 0
    5KU Trigger (Aluminum) FI Style for Tokyo Marui G Series GBB Airsoft - Silver 5KU-GB-488-S
    5KU
    Special Price $10.00 Regular Price $13.99
    Save 29%
  46. 5KU Trigger (Aluminum) FI Style for Tokyo Marui G Series GBB Airsoft - Red 0
    5KU Trigger (Aluminum) FI Style for Tokyo Marui G Series GBB Airsoft - Red 5KU-GB-488-R
    5KU
    Special Price $10.00 Regular Price $13.99
    Save 29%
  47. 5KU KAC Ambi Magazine Catch (CNC Steel) for Tokyo Marui M4 MWS GBBR Airsoft Series 0
    5KU KAC Ambi Magazine Catch (CNC Steel) for Tokyo Marui M4 MWS GBBR Airsoft Series 5KU-MWS-17
    5KU
    Special Price $14.39 Regular Price $15.99
    Save 10%
  48. 5KU Tokyo Marui Hi Capa Hammer & Strut (Limcat, Steel) 0
    5KU Tokyo Marui Hi Capa Hammer & Strut (Limcat, Steel) 5KU-GB-491-BK
    5KU
    Special Price $10.00 Regular Price $13.99
    Save 29%
  49. 5KU PBS-4 Suppressor (24mmx1.5mm CW & 14mmx1.0mm CCW) for LCT/GHK AK Airsoft AEG/GBB Series 0
    5KU PBS-4 Suppressor (24mmx1.5mm CW & 14mmx1.0mm CCW) for LCT/GHK AK Airsoft AEG/GBB Series 5KU-149
    5KU
    Special Price $28.79 Regular Price $31.99
    Save 10%
  50. 5KU Zenitco PK-0 AK Front Grip (Aluminum) 0
    5KU Zenitco PK-0 AK Front Grip (Aluminum) 5KU-212
    5KU
    Special Price $17.99 Regular Price $19.99
    Save 10%
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