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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 Action Army AAP 01 Carbine Kit (Type A) - Black 0
    5KU Action Army AAP01 Carbine Kit (Type A) - Black 5KU-ABAAP-018-BK
    5KU
    Special Price $71.39 Regular Price $83.99
    Save 15%
  2. 5KU Action Army AAP 01 Carbine Kit (Type C) - Black 0
    5KU Action Army AAP01 Carbine Kit (Type C) - Black 5KU-ABAAP-020-BK
    5KU
    $83.99
  3. 5KU SVCOMP Flash Hider (14mm CCW) 0
    5KU SVCOMP Flash Hider (14mm CCW) 5KU-201
    5KU
    $19.99
  4. 5KU Linear Compensator Gen II (14mm CCW) 0
    5KU Linear Compensator Gen II (14mm CCW) 5KU-178
    5KU
    Special Price $14.39 Regular Price $15.99
    Save 10%
  5. 5KU Limcat Speed Cat Aluminum Slide for Tokyo Marui Hi Capa / 1911 GBB Series - Silver 0
    5KU Limcat Speed Cat Aluminum Slide for Tokyo Marui Hi Capa / 1911 GBB Series - Silver 5KU-JI-103-SV
    5KU
    Special Price $71.99 Regular Price $79.99
    Save 10%
  6. 5KU Tokyo Marui Hi Capa 4.3 GBB Recoil Spring Plug (Type 1) - Blue 0
    5KU Tokyo Marui Hi Capa 4.3 GBB Recoil Spring Plug (Type 1) - Blue 5KU-GB-566-BU
    5KU
    Special Price $3.59 Regular Price $5.99
    Save 40%
  7. 5KU Tokyo Marui Hi Capa 4.3 GBB Recoil Spring Plug (Type 1) - Green 0
    5KU Tokyo Marui Hi Capa 4.3 GBB Recoil Spring Plug (Type 1) - Green 5KU-GB-566-GN
    5KU
    Special Price $3.59 Regular Price $5.99
    Save 40%
  8. 5KU Tokyo Marui Hi Capa 4.3 GBB Recoil Spring Plug (Type 1) - Red 0
    5KU Tokyo Marui Hi Capa 4.3 GBB Recoil Spring Plug (Type 1) - Red 5KU-GB-566-RD
    5KU
    Special Price $5.27 Regular Price $5.99
    Save 12%
  9. 5KU Tokyo Marui Hi Capa 4.3 GBB Recoil Spring Guide Rod - Green 0
    5KU Tokyo Marui Hi Capa 4.3 GBB Airsoft Recoil Spring Guide Rod (GB-560) - Green 5KU-GB-560-GN
    5KU
    Special Price $6.29 Regular Price $6.99
    Save 10%
  10. 5KU Tokyo Marui Hi Capa 5.1 GBB Recoil Spring Guide Rod - Red 0
    5KU Tokyo Marui Hi Capa 5.1 GBB Recoil Spring Guide Rod - Red 5KU-GB-559-RD
    5KU
    Special Price $6.29 Regular Price $6.99
    Save 10%
  11. 5KU Tokyo Marui Hi Capa 5.1 GBB Recoil Spring Guide Rod - Silver 0
    5KU Tokyo Marui Hi Capa 5.1 GBB Recoil Spring Guide Rod - Silver 5KU-GB-559-SV
    5KU
    $6.99
  12. 5KU Tokyo Marui Hi Capa 5.1 GBB Recoil Spring Plug - Red 0
    5KU Tokyo Marui Hi Capa 5.1 GBB Recoil Spring Plug - Red 5KU-GB-567-RD
    5KU
    Special Price $5.09 Regular Price $5.99
    Save 15%
  13. 5KU Tokyo Marui Hi Capa 5.1 GBB Recoil Spring Plug - Purple 0
    5KU Tokyo Marui Hi Capa 5.1 GBB Recoil Spring Plug - Purple 5KU-GB-567-PU
    5KU
    Special Price $5.27 Regular Price $5.99
    Save 12%
  14. 5KU Tokyo Marui Hi Capa 5.1 GBB Recoil Spring Plug - Black 0
    5KU Tokyo Marui Hi Capa 5.1 GBB Recoil Spring Plug - Black 5KU-GB-567-BK
    5KU
    Special Price $5.39 Regular Price $5.99
    Save 10%
  15. 5KU SFG MLOK Skeleton Forward Grip - OD 0
    5KU SFG MLOK Skeleton Forward Grip - OD 5KU-358-OD
    5KU
    Special Price $10.55 Regular Price $11.99
    Save 12%
  16. 5KU Tokyo Marui Hi Capa GBB Frame 4.3 inch (Aluminum, Blank Marking w/ Rail Version, Red) 0
    5KU Tokyo Marui Hi Capa GBB Middle Frame (4.3 inch, Aluminum Blank Marking w/ Rail Version, Red) 5KU-GB-571-RD
    5KU
    $73.99
  17. 5KU Tokyo Marui Hi Capa GBB Aluminum Frame (4.3 inch, 2011 Type, Red) 0
    5KU Tokyo Marui Hi Capa GBB Middle Frame (4.3 inch Aluminum, 2011 Type, Red) 5KU-GB-570-RD
    5KU
    Special Price $66.59 Regular Price $73.99
    Save 10%
  18. 5KU Tokyo Marui Hi Capa GBB Aluminum Frame (4.3 inch, 2011 Type, Gold) 0
    5KU Tokyo Marui Hi Capa GBB Middle Frame (4.3 inch Aluminum, 2011 Type, Gold) 5KU-GB-570-GD
    5KU
    Special Price $66.59 Regular Price $73.99
    Save 10%
  19. 5KU Tokyo Marui Hi Capa GBB Aluminum Frame (4.3 inch, 2011 Type, Purple) 0
    5KU Tokyo Marui Hi Capa GBB Middle Frame (4.3 inch Aluminum, 2011 Type, Purple) 5KU-GB-570-PU
    5KU
    Special Price $51.99 Regular Price $73.99
    Save 30%
  20. 5KU Tokyo Marui 1911 GBB Compensator (Type 8, Silver) 0
    5KU Tokyo Marui 1911 GBB Compensator (Type 8, Silver) 5KU-GB-535-S
    5KU
    Special Price $10.79 Regular Price $11.99
    Save 10%
  21. 5KU Tokyo Marui 1911 GBB Compensator (Type 8, Black) 0
    5KU Tokyo Marui 1911 GBB Compensator (Type 8, Black) 5KU-GB-535-BK
    5KU
    Special Price $10.79 Regular Price $11.99
    Save 10%
  22. 5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Infinity Style, Type 1) - Gold 0
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Infinity Style, Type 1) - Gold 5KU-GB-489-GD
    5KU
    Special Price $93.49 Regular Price $109.99
    Save 15%
  23. 5KU Skeletonized Grip for GHK / Tokyo Marui AK GBB Series 0
    5KU Skeletonized Grip for GHK / Tokyo Marui AK GBB Series 5KU-GB-163-BK
    5KU
    Special Price $23.39 Regular Price $25.99
    Save 10%
  24. 5KU Tokyo Marui Hi Capa GBB Aluminum Slide & Frame (Martix Type) - Grey 0
    5KU Tokyo Marui Hi Capa GBB Airsoft Aluminum Slide & Middle Frame (Matrix Type) - Grey 5KU-GB-572-GY
    5KU
    $109.99
  25. 5KU STI Hammer & Strut for Tokyo Marui / WE / Army Hi-Capa GBB Airsoft Series (CNC Steel) - Silver 0
    5KU STI Hammer & Strut for Tokyo Marui / WE / Army Hi-Capa GBB Airsoft Series (CNC Steel) - Silver 5KU-GB-482-SV
    5KU
    $24.99
  26. 5KU STI Hammer & Strut for Tokyo Marui / WE / Army Hi-Capa GBB Airsoft Series (CNC Steel) - Gold 0
    5KU STI Hammer & Strut for Tokyo Marui / WE / Army Hi-Capa GBB Airsoft Series (CNC Steel) - Gold 5KU-GB-482-GD
    5KU
    $24.99
  27. Image
    5KU Tokyo Marui Hi Capa GBB Airsoft Grip Safety - Type 1 (Aluminium, Black) 5KU-GB-579-BK
    5KU
    Special Price $12.59 Regular Price $13.99
    Save 10%
  28. Image
    5KU Tokyo Marui Hi Capa GBB Airsoft Grip Safety - Type 1 (Aluminium, Blue) 5KU-GB-579-BU
    5KU
    Special Price $12.87 Regular Price $13.99
    Save 8%
  29. Image
    5KU Tokyo Marui Hi Capa GBB Airsoft Ambi Thumb Safety - Type 1 (Aluminum, Blue) 5KU-GB-580-BU
    5KU
    $12.99
  30. Image
    5KU Tokyo Marui Saiga 12K / AK GBB AR Grip Adapter 5KU-GBTMAK005
    5KU
    Special Price $11.69 Regular Price $12.99
    Save 10%
  31. Image
    5KU Airsoft M4 AEG Magwell (Aluminum) 5KU-83
    5KU
    Special Price $21.99 Regular Price $24.99
    Save 12%
  32. Image
    5KU KAC Style Sling Swivel for Airsoft M4 AEG 5KU-79
    5KU
    $11.99
  33. Image
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Type 5) - Gold 5KU-GB-586-GD
    5KU
    $119.99
  34. Image
    5KU SOCOM556 MG QD Suppressor (14mm CCW, Steel) - Type B 5KU-141-B
    5KU
    $36.99
  35. Image
    5KU Tokyo Marui G Series GBB Magazine Extension Pad (CNC Aluminum) - Black 5KU-GB-565-BK
    5KU
    Special Price $24.29 Regular Price $26.99
    Save 10%
  36. Image
    5KU Tokyo Marui 1911 Compensator GBB Airsoft (Type 3) - Black 5KU-GB-530-BK
    5KU
    Special Price $11.43 Regular Price $12.99
    Save 12%
  37. Image
    5KU Tokyo Marui 1911 Compensator GBB Airsoft (Type 3) - Silver 5KU-GB-530-SV
    5KU
    Special Price $11.43 Regular Price $12.99
    Save 12%
  38. 5KU MDX Retractable CQB Stock for VFC / GHK Airsoft M4 GBBR 1
    5KU MDX Retractable CQB Stock for VFC / GHK Airsoft M4 GBBR 5KU-GB-167
    5KU
    Special Price $67.75 Regular Price $76.99
    Save 12%
  39. Image
    5KU RMR / Docter Mount with Cocking Handle for JW3 TTI Combat Master (Army Armament R601-3) 5KU-GB-538-BK
    5KU
    Special Price $10.79 Regular Price $11.99
    Save 10%
  40. Image
    5KU Airsoft M4 AEG Lightweight Carbine Outer Barrel (10 inch, Aluminum) 5KU-122
    5KU
    $15.99
  41. Image
    5KU Airsoft M4 AEG Lightweight Carbine Outer Barrel (10.3 inch, Aluminum) 5KU-123
    5KU
    $17.99
  42. Image
    5KU Umarex / VFC MP5K GBB Airsoft Handguard 5KU-392V
    5KU
    $55.99
  43. Image
    5KU SR-5 Adjustable Bipod for 1913 Picatinny 20mm Rail 5KU-209
    5KU
    Special Price $71.99 Regular Price $79.99
    Save 10%
  44. Image
    5KU Universal Sling Swivel Mount A-1 5KU-264-BK
    5KU
    $9.99
  45. Image
    5KU One O-Clock Offset Mount for 20mm Rail 5KU-89
    5KU
    $8.99
  46. Image
    5KU AK GBB KGB MG74 Style Grip 5KU-GB-162-BK
    5KU
    $26.99
  47. Image
    5KU Picatinny Rail (Zenitco B-2) - Tan 5KU-293-T
    5KU
    $6.99
  48. Image
    5KU Tokyo Marui Hi Capa 5.1 GBB Airsoft Recoil Spring Plug (Aluminum, GB-569) - Black 5KU-GB-569-BK
    5KU
    $4.99
  49. Image
    5KU Tokyo Marui Hi Capa 5.1 GBB Airsoft Recoil Spring Plug (Aluminum, GB-569) - Gold 5KU-GB-569-GD
    5KU
    Special Price $4.39 Regular Price $4.99
    Save 12%
  50. Image
    5KU Tokyo Marui Hi Capa 5.1 GBB Airsoft Recoil Spring Plug (Aluminum, GB-569) - Red 5KU-GB-569-RD
    5KU
    Special Price $4.49 Regular Price $4.99
    Save 10%
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