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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 Tokyo Marui Hi Capa 5.1 GBB Recoil Spring Plug - Silver 0
    5KU Tokyo Marui Hi Capa 5.1 GBB Recoil Spring Plug - Silver 5KU-GB-567-SV
    5KU
    Special Price $5.39 Regular Price $5.99
    Save 10%
  2. 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 $5.39 Regular Price $5.99
    Save 10%
  3. 5KU Tokyo Marui Hi Capa 5.1 GBB Recoil Spring Plug - Gold 0
    5KU Tokyo Marui Hi Capa 5.1 GBB Recoil Spring Plug - Gold 5KU-GB-567-GD
    5KU
    Special Price $5.39 Regular Price $5.99
    Save 10%
  4. 5KU Tokyo Marui Hi Capa 4.3 GBB Recoil Spring Plug (Type 2) - Black 0
    5KU Tokyo Marui Hi Capa 4.3 GBB Recoil Spring Plug (Type 2) - Black 5KU-GB-568-BK
    5KU
    Special Price $5.39 Regular Price $5.99
    Save 10%
  5. 5KU Tokyo Marui Hi Capa 4.3 GBB Recoil Spring Plug (Type 2) - Silver 0
    5KU Tokyo Marui Hi Capa 4.3 GBB Recoil Spring Plug (Type 2) - Silver 5KU-GB-568-SV
    5KU
    Special Price $5.39 Regular Price $5.99
    Save 10%
  6. 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
    Special Price $66.59 Regular Price $73.99
    Save 10%
  7. 5KU Tokyo Marui Hi Capa GBB Aluminum Frame (4.3 inch, Blank Marking w/ Rail Version, Purple) 0
    5KU Tokyo Marui Hi Capa GBB Middle Frame (4.3 inch, Aluminum Blank Marking w/ Rail Version, Purple) 5KU-GB-571-PU
    5KU
    Special Price $66.59 Regular Price $73.99
    Save 10%
  8. 5KU Tokyo Marui Hi Capa GBB Aluminum Frame (4.3 inch, 2011 Type, Black) 0
    5KU Tokyo Marui Hi Capa GBB Middle Frame (4.3 inch Aluminum, 2011 Type, Black) 5KU-GB-570-BK
    5KU
    Special Price $66.59 Regular Price $73.99
    Save 10%
  9. 5KU Tokyo Marui Hi Capa GBB Aluminum Frame (4.3 inch, 2011 Type, Silver) 0
    5KU Tokyo Marui Hi Capa GBB Middle Frame (4.3 inch Aluminum, 2011 Type, Silver) 5KU-GB-570-SV
    5KU
    Special Price $66.59 Regular Price $73.99
    Save 10%
  10. 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%
  11. 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%
  12. 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%
  13. 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%
  14. 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%
  15. 5KU Action Army AAP 01 Lightweight Advanced Bolt with Selector Switch (CNC Aluminum, Gold) 0
    5KU Action Army AAP01 Lightweight Advanced Bolt with Selector Switch (CNC Aluminum, Gold) 5KU-ABAAP-003-GD
    5KU
    Special Price $36.09 Regular Price $37.99
    Save 5%
  16. 5KU Action Army AAP 01 Lightweight Advanced Bolt with Selector Switch (CNC Aluminum, Red) 0
    5KU Action Army AAP01 Lightweight Advanced Bolt with Selector Switch (CNC Aluminum, Red) 5KU-ABAAP-003-RD
    5KU
    $37.99
  17. 5KU Action Army AAP 01 Lightweight Advanced Bolt with Selector Switch (CNC Aluminum, Blue) 0
    5KU Action Army AAP01 Lightweight Advanced Bolt with Selector Switch (CNC Aluminum, Blue) 5KU-ABAAP-003-BU
    5KU
    Special Price $36.09 Regular Price $37.99
    Save 5%
  18. 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 $98.99 Regular Price $109.99
    Save 10%
  19. 5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Infinity Style, Type 1) - Red 0
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Infinity Style, Type 1) - Red 5KU-GB-489-RD
    5KU
    Special Price $98.99 Regular Price $109.99
    Save 10%
  20. Image
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Infinity Style, Type 3) - Gold 5KU-GB-584-GD
    5KU
    Special Price $107.99 Regular Price $119.99
    Save 10%
  21. Image
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Infinity Style, Type 3) - Red 5KU-GB-584-RD
    5KU
    Special Price $79.99 Regular Price $119.99
    Save 33%
  22. 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
    $25.99
  23. 5KU Tokyo Marui Hi Capa 2011 Infinity Magazine Base - Silver 0
    5KU Tokyo Marui Hi Capa 2011 Infinity Magazine Base - Silver 5KU-GB-287-SV
    5KU
    $11.99
  24. 5KU Tokyo Marui Hi Capa GBB Aluminum Slide & Frame (Martix Type) - Grey 0
    5KU Tokyo Marui Hi Capa GBB Aluminum Slide & Frame (Matrix Type) - Grey 5KU-GB-572-GY
    5KU
    $109.99
  25. 5KU Tokyo Marui Hi Capa GBB Aluminum Slide & Frame (Martix Type) - Red 0
    5KU Tokyo Marui Hi Capa GBB Aluminum Slide & Frame (Matrix Type) - Red 5KU-GB-572-RD
    5KU
    Special Price $98.99 Regular Price $109.99
    Save 10%
  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
    Special Price $22.49 Regular Price $24.99
    Save 10%
  27. Image
    5KU Tokyo Marui Hi Capa GBB Airsoft Slide Stop - Type 1 (Aluminum, Blue) 5KU-GB-581-BU
    5KU
    $9.99
  28. Image
    5KU Tokyo Marui Hi Capa GBB Airsoft Slide Stop - Type 1 (Aluminum, Green) 5KU-GB-581-GN
    5KU
    Special Price $8.99 Regular Price $9.99
    Save 10%
  29. Image
    5KU Magazine Quick Release for GHK AK GBB Series 5KU-GB-165
    5KU
    $10.99
  30. Image
    5KU Tokyo Marui Hi Capa GBB Airsoft Grip (Infinity, CNC Aluminum, Type 4) - Silver 5KU-GB-588-SV
    5KU
    $114.99
  31. Image
    5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (16 inch Mid-Length)- 14mm CCW (Require AEG Barrel Nut) 5KU-MWS-15
    5KU
    Special Price $19.79 Regular Price $21.99
    Save 10%
  32. Image
    5KU Tokyo Marui MWS GBBR Airsoft Magwell (Aluminum) 5KU-MWS-21
    5KU
    $24.99
  33. Image
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Type 5) - Purple 5KU-GB-586-PU
    5KU
    Special Price $107.99 Regular Price $119.99
    Save 10%
  34. Image
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Type 6) - Gold 5KU-GB-586-GD
    5KU
    $119.99
  35. Image
    5KU SMR Tactical Handguard for Umarex / VFC HK416 GBBR Airsoft (10.5 inch) - Black 5KU-255-BK
    5KU
    Special Price $56.69 Regular Price $62.99
    Save 10%
  36. Image
    5KU MDX Retractable CQB Stock for Tokyo Marui MWS Airsoft M4 GBBR 5KU-MWS-22
    5KU
    $76.99
  37. Image
    5KU Tokyo Marui Hi Capa CNC Aluminum EX 01 Frame Kit - Black w/ Silver Barrel 5KU-GB-574-BKSV
    5KU
    Special Price $165.59 Regular Price $183.99
    Save 10%
  38. Image
    5KU Umarex / VFC MP5K Airsoft GBB Picatinny M1913 Rail Stock Adapter 5KU-350
    5KU
    Special Price $12.59 Regular Price $13.99
    Save 10%
  39. Image
    5KU Tokyo Marui Hi Capa GBB Airsoft Magazine Base (Aluminum, Type 5) - Black 5KU-GB-264-BK
    5KU
    Special Price $12.59 Regular Price $13.99
    Save 10%
  40. Image
    5KU Tokyo Marui Hi Capa GBB Airsoft Magazine Base (Aluminum, Type 5) - Red 5KU-GB-264-RD
    5KU
    Special Price $7.99 Regular Price $13.99
    Save 43%
  41. Image
    5KU Tokyo Marui Hi Capa GBB Airsoft Magazine Base (Aluminum, Type 5) - Blue 5KU-GB-264-BU
    5KU
    Special Price $12.59 Regular Price $13.99
    Save 10%
  42. Image
    5KU Tokyo Marui Hi Capa / 1911 GBB Airsoft Blowback Housing (BBU, Aluminum) - Gold 5KU-GB-576-GD
    5KU
    $28.99
  43. 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%
  44. Image
    5KU Tokyo Marui G Series GBB Magazine Extension Pad (CNC Aluminum) - Red 5KU-GB-565-RD
    5KU
    Special Price $16.99 Regular Price $26.99
    Save 37%
  45. Image
    5KU Tokyo Marui 1911 Compensator GBB Airsoft (Type 3) - Black 5KU-GB-530-BK
    5KU
    Special Price $11.69 Regular Price $12.99
    Save 10%
  46. Image
    5KU Tokyo Marui 1911 Compensator GBB Airsoft (Type 3) - Silver 5KU-GB-530-SV
    5KU
    Special Price $11.69 Regular Price $12.99
    Save 10%
  47. Image
    5KU Tokyo Marui Hi Capa GBB Airsoft Magazine Base (Aluminum, Type 4) - Red 5KU-GB-263-RD
    5KU
    Special Price $12.59 Regular Price $13.99
    Save 10%
  48. Image
    5KU Tokyo Marui 1911 GBB Airsoft Magazine Catch (Ambi, Stainless Steel, Type 1) - Black 5KU-GB-510-BK
    5KU
    Special Price $18.89 Regular Price $20.99
    Save 10%
  49. Image
    5KU AK GBB KGB MG74 Style Grip 5KU-GB-162-BK
    5KU
    $26.99
  50. Image
    5KU Tokyo Marui Hi Capa 5.1 Recoil Spring Plug (Aluminum) - Black 5KU-GB-569-BK
    5KU
    Special Price $4.49 Regular Price $4.99
    Save 10%
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