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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. Image
    5KU Tokyo Marui Hi Capa 5.1 GBB Airsoft Outer Barrel (Stainless Steel, M11 CW) - Gold 5KU-GB-554-GD
    5KU
    $39.99
  2. Image
    5KU Tokyo Marui Hi Capa 5.1 GBB Airsoft Outer Barrel (Stainless Steel, M11 CW) - Black 5KU-GB-554-BK
    5KU
    Special Price $35.99 Regular Price $39.99
    Save 10%
  3. Image
    5KU Tokyo Marui Hi Capa 5.1 GBB Airsoft Outer Barrel (Stainless Steel, M11 CW) - Silver 5KU-GB-554-SV
    5KU
    $39.99
  4. Image
    5KU Tokyo Marui Hi Capa 4.3 GBB Airsoft Outer Barrel (Stainless Steel, M11 CW) - Silver 5KU-GB-555-SV
    5KU
    Special Price $35.99 Regular Price $39.99
    Save 10%
  5. Image
    5KU Tokyo Marui Hi Capa 4.3 GBB Airsoft Outer Barrel (Stainless Steel, M11 CW) - Rainbow 5KU-GB-555-HG
    5KU
    Special Price $35.99 Regular Price $39.99
    Save 10%
  6. Image
    5KU Tokyo Marui Hi Capa GBB Airsoft Slide Stop - Type 1 (Aluminum, Gold) 5KU-GB-581-GD
    5KU
    $9.99
  7. Image
    5KU Tokyo Marui Hi Capa GBB Airsoft Slide Stop - Type 1 (Aluminum, Red) 5KU-GB-581-RD
    5KU
    $9.99
  8. Image
    5KU Tokyo Marui Hi Capa 5.1 GBB BO Style Rear Sight - Gold 5KU-GB-582-GD
    5KU
    Special Price $12.59 Regular Price $13.99
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  9. Image
    5KU Tokyo Marui Hi Capa 5.1 GBB BO Style Rear Sight - Silver 5KU-GB-582-SV
    5KU
    Special Price $12.59 Regular Price $13.99
    Save 10%
  10. Image
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Type 8) - Black 5KU-GB-590-BK
    5KU
    Special Price $110.39 Regular Price $119.99
    Save 8%
  11. Image
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Type 8) - Red 5KU-GB-590-RD
    5KU
    Special Price $107.99 Regular Price $119.99
    Save 10%
  12. Image
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Type 8) - Silver 5KU-GB-590-SV
    5KU
    $119.99
  13. Image
    5KU Tokyo Marui Hi Capa GBB STI Style Skinny Magazine Base (Type 2) - Black 5KU-GB-597-BK
    5KU
    Special Price $11.69 Regular Price $12.99
    Save 10%
  14. Image
    5KU Tokyo Marui Hi Capa GBB STI Style Skinny Magazine Base (Type 2) - Blue 5KU-GB-597-BU
    5KU
    Special Price $11.69 Regular Price $12.99
    Save 10%
  15. Image
    5KU Tokyo Marui Hi Capa GBB STI Style Skinny Magazine Base (Type 2) - Gold 5KU-GB-597-GD
    5KU
    Special Price $11.69 Regular Price $12.99
    Save 10%
  16. Image
    5KU Tokyo Marui Hi Capa GBB STI Style Skinny Magazine Base (Type 2) - Green 5KU-GB-597-GN
    5KU
    Special Price $7.99 Regular Price $12.99
    Save 38%
  17. Image
    5KU Tokyo Marui Hi Capa GBB STI Style Skinny Magazine Base (Type 2) - Purple 5KU-GB-597-PU
    5KU
    Special Price $11.69 Regular Price $12.99
    Save 10%
  18. Image
    5KU Tokyo Marui Hi Capa GBB STI Style Skinny Magazine Base (Type 2) - Red 5KU-GB-597-RD
    5KU
    Special Price $11.69 Regular Price $12.99
    Save 10%
  19. Image
    5KU Tokyo Marui Hi Capa GBB STI Style Skinny Magazine Base (Type 2) - Silver 5KU-GB-597-SV
    5KU
    Special Price $11.69 Regular Price $12.99
    Save 10%
  20. Image
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Type 6) - Red 5KU-GB-585-RD
    5KU
    $119.99
  21. Image
    5KU Infinity Signature Slide for Tokyo Marui Hi Capa 5.1 GBB Airsoft (CNC Aluminum) - Black 5KU-GB-604-BK
    5KU
    $71.99
  22. Image
    5KU Infinity Signature Slide for Tokyo Marui Hi Capa 5.1 GBB Airsoft (CNC Aluminum) - Gold 5KU-GB-604-GD
    5KU
    Special Price $64.79 Regular Price $71.99
    Save 10%
  23. Image
    5KU Infinity Signature Slide for Tokyo Marui Hi Capa 5.1 GBB Airsoft (CNC Aluminum) - Silver 5KU-GB-604-SV
    5KU
    Special Price $64.79 Regular Price $71.99
    Save 10%
  24. Image
    5KU Infinity Signature Slide for Tokyo Marui Hi Capa 5.1 GBB Airsoft (CNC Aluminum) - Red 5KU-GB-604-RD
    5KU
    Special Price $64.79 Regular Price $71.99
    Save 10%
  25. Image
    5KU Infinity Signature Slide for Tokyo Marui Hi Capa 5.1 GBB Airsoft (CNC Aluminum) - Purple 5KU-GB-604-PU
    5KU
    Special Price $64.79 Regular Price $71.99
    Save 10%
  26. Image
    5KU Tokyo Marui Hi Capa GBB Stainless Valve Knocker and Sear - Stainless Steel 5KU-GB-480
    5KU
    Special Price $8.09 Regular Price $8.99
    Save 10%
  27. Image
    5KU Tokyo Marui Hi Capa CNC Aluminum EX 01 Frame Kit - Purple w/ Green Barrel 5KU-GB-574-PUGN
    5KU
    $183.99
  28. Image
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Type 9 Infinity Style) - Black 5KU-GB-587-BK
    5KU
    Special Price $110.39 Regular Price $119.99
    Save 8%
  29. Image
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Type 9 Infinity Style) - Silver 5KU-GB-587-SV
    5KU
    Special Price $110.39 Regular Price $119.99
    Save 8%
  30. Image
    5KU Tokyo Marui Hi Capa GBB Ambi Thumb Safety (Stainless Steel) - Black 5KU-GB-600-BK
    5KU
    Special Price $34.03 Regular Price $36.99
    Save 8%
  31. Image
    5KU Tokyo Marui Hi Capa GBB Ambi Thumb Safety (Stainless Steel) - Silver 5KU-GB-600-SV
    5KU
    $36.99
  32. Image
    5KU Tokyo Marui Hi Capa GBB LimCat Custom 4.3 Kit (CNC Aluminum) - Grey 5KU-GB-602-GY
    5KU
    Special Price $144.43 Regular Price $156.99
    Save 8%
  33. Image
    5KU Tokyo Marui Hi Capa GBB Wildcat Slide (CNC Aluminum) - Gold 5KU-GB-614-GD
    5KU
    Special Price $64.79 Regular Price $71.99
    Save 10%
  34. Image
    5KU Tokyo Marui Hi Capa GBB Wildcat Slide (CNC Aluminum) - Silver 5KU-GB-614-SV
    5KU
    Special Price $66.23 Regular Price $71.99
    Save 8%
  35. Image
    5KU Tokyo Marui Hi Capa GBB Wildcat Slide (CNC Aluminum) - Purple 5KU-GB-614-PU
    5KU
    Special Price $64.79 Regular Price $71.99
    Save 10%
  36. Image
    5KU Tokyo Marui Hi Capa 5.1 GBB LimCat Protector 5.1 Slide (CNC Aluminum) - Red 5KU-GB-621-RD
    5KU
    Special Price $64.79 Regular Price $71.99
    Save 10%
  37. Image
    5KU Tokyo Marui Hi Capa 5.1 GBB LimCat Protector 5.1 Slide (CNC Aluminum) - Purple 5KU-GB-621-PU
    5KU
    Special Price $64.79 Regular Price $71.99
    Save 10%
  38. Image
    5KU Tokyo Marui Hi Capa 5.1 GBB LimCat Protector 5.1 Slide (CNC Aluminum) - Gold 5KU-GB-621-GD
    5KU
    Special Price $64.79 Regular Price $71.99
    Save 10%
  39. Image
    5KU Tokyo Marui Hi Capa 5.1 GBB LimCat Protector 5.1 Slide (CNC Aluminum) - Silver 5KU-GB-621-SV
    5KU
    Special Price $66.23 Regular Price $71.99
    Save 8%
  40. Image
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Type 10) - Black 5KU-GB-603-BK
    5KU
    $119.99
  41. Image
    5KU Tokyo Marui Hi Capa GBB INF Style IMM 7inch Open Slide Kit (BK/DE) 5KU-GB-615-BKDE
    5KU
    $199.99
  42. Image
    5KU Tokyo Marui Hi Capa GBB INF Style IMM 7inch Open Slide Kit (BK/SV) 5KU-GB-615-BKSV
    5KU
    $199.99
  43. Image
    5KU Tokyo Marui Hi Capa GBB INF Style IMM 7inch Open Slide Kit (GD/BK) 5KU-GB-615-GDBK
    5KU
    $199.99
  44. Image
    5KU Tokyo Marui Hi Capa GBB INF Style IMM 7inch Open Slide Kit (RD/GD) 5KU-GB-615-RDGD
    5KU
    $199.99
  45. Image
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Type 11) - Black 5KU-GB-616-BK
    5KU
    $109.99
  46. Image
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Type 11) - Gold 5KU-GB-616-GD
    5KU
    $109.99
  47. Image
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Type 11) - Purple 5KU-GB-616-PU
    5KU
    $109.99
  48. Image
    5KU Stainless Hammer & Strut for Tokyo Marui / WE/ Army/ Hi Capa GBB 5KU-GB-619-BK
    5KU
    Special Price $15.29 Regular Price $16.99
    Save 10%
  49. Image
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Type 12) - Gold 5KU-GB-620-GD
    5KU
    $109.99
  50. Image
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Type 12) - Silver 5KU-GB-620-SV
    5KU
    $109.99
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  1. Brand
    5KU
  2. Model
    HI-CAPA
  3. Stock Status
    In stock
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