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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 MWS GBBR PDW Stock 0
    5KU Tokyo Marui MWS GBBR PDW Stock Out of Stock 5KU-GB-159
    5KU
    Special Price $62.55 Regular Price $67.99
    Save 8%
  2. 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%
  3. 5KU Tokyo Marui M4 AEG PDW Stock 0
    5KU Tokyo Marui M4 AEG PDW Stock Out of Stock 5KU-200
    5KU
    $46.99
  4. 5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (8.7 inch CQB, Aluminum)-14mm CCW (Require AEG Spec Barrel Nut) 0
    5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (8.7 inch CQB, Aluminum)-14mm CCW (Require AEG Spec Barrel Nut) 5KU-MWS-2
    5KU
    Special Price $15.29 Regular Price $16.99
    Save 10%
  5. 5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (10 inch CQB, Aluminum) - 14mm CCW (Require AEG Spec Barrel Nut & Sight) 0
    5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (10 inch CQB, Aluminum) - 14mm CCW (Require AEG Spec Barrel Nut & Sight) Out of Stock 5KU-MWS-3
    5KU
    $17.99
  6. 5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (10.3 inch CQB, Aluminum) - 14mm CCW (Require AEG Spec Barrel Nut) 0
    5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (10.3 inch CQB, Aluminum) - 14mm CCW (Require AEG Spec Barrel Nut) Out of Stock 5KU-MWS-4
    5KU
    $17.99
  7. 5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (11.5 inch CQB, Aluminum) - 14mm CCW (Require AEG Spec Barrel Nut) 0
    5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (11.5 inch CQB, Aluminum) - 14mm CCW (Require AEG Spec Barrel Nut) Out of Stock 5KU-MWS-5
    5KU
    $18.99
  8. 5KU Battle Comp 1.5 Airsoft Muzzle Brake (14mm CCW) 0
    5KU Battle Comp 1.5 Airsoft Muzzle Brake (14mm CCW) Out of Stock 5KU-100
    5KU
    $16.99
  9. 5KU Airsoft M4 AEG Picatinny Rail Stock Base 0
    5KU Airsoft M4 AEG Picatinny Rail Stock Base Out of Stock 5KU-317
    5KU
    $10.99
  10. 5KU VFC / GHK M4 GBBR PDW Stock 0
    5KU VFC / GHK M4 GBBR PDW Stock 5KU-GB-156
    5KU
    $84.99
  11. Image
    5KU Tokyo Marui MWS GBBR Latchless Charging Handle - Blue (Strike Industries Licensed) Out of Stock 5KU-SI-14-BU
    5KU
    $19.99
  12. Image
    5KU Tokyo Marui MWS GBBR Airsoft Magwell (Aluminum) 5KU-MWS-21
    5KU
    Special Price $20.00 Regular Price $24.99
    Save 20%
  13. Image
    5KU Ambidextrous Extended Sling Mount for Airsoft M4 AEG Series 5KU-82
    5KU
    Special Price $14.44 Regular Price $16.99
    Save 15%
  14. Image
    5KU Airsoft M4 AEG Magwell (Aluminum) Out of Stock 5KU-83
    5KU
    Special Price $20.00 Regular Price $24.99
    Save 20%
  15. Image
    5KU KAC Style Sling Swivel for Airsoft M4 AEG 5KU-79
    5KU
    Special Price $10.00 Regular Price $11.99
    Save 17%
  16. Image
    5KU SMR Tactical Handguard for Umarex / VFC HK416 GBBR Airsoft (10.5 inch) - Black Out of Stock 5KU-255-BK
    5KU
    $62.99
  17. 5KU SMR Tactical Handguard for Umarex / VFC HK416 GBBR Airsoft (10.5 inch) - FDE 1
    5KU SMR Tactical Handguard for Umarex / VFC HK416 GBBR Airsoft (10.5 inch) - FDE Out of Stock 5KU-255-FDE
    5KU
    $62.99
  18. Image
    5KU MDX Retractable CQB Stock for Tokyo Marui MWS Airsoft M4 GBBR Out of Stock 5KU-MWS-22
    5KU
    Special Price $69.29 Regular Price $76.99
    Save 10%
  19. Image
    5KU Venom Style Muzzle Brake (14mm CCW, Steel) 5KU-247
    5KU
    Special Price $14.39 Regular Price $15.99
    Save 10%
  20. Image
    5KU TALON Breacher Muzzle Brake (14mm CCW) 5KU-97
    5KU
    Special Price $15.59 Regular Price $25.99
    Save 40%
  21. 5KU Airsoft M4 AEG Lightweight CQB Outer Barrel (7 inch, Aluminum) - 14mm CCW 1
    5KU Airsoft M4 AEG Lightweight CQB Outer Barrel (7 inch, Aluminum) - 14mm CCW 5KU-120
    5KU
    Special Price $10.00 Regular Price $12.99
    Save 23%
  22. Image
    5KU Airsoft M4 AEG Lightweight Carbine Outer Barrel (10 inch, Aluminum) 5KU-122
    5KU
    Special Price $14.39 Regular Price $15.99
    Save 10%
  23. Image
    5KU Airsoft M4 AEG Lightweight Carbine Outer Barrel (10.3 inch, Aluminum) 5KU-123
    5KU
    Special Price $16.19 Regular Price $17.99
    Save 10%
  24. Image
    5KU M4 AEG Extended Stock QD Sling Mount 5KU-309
    5KU
    Special Price $6.79 Regular Price $7.99
    Save 15%
  25. Image
    5KU AEG QD End Plate Lightweight Stock Combo Out of Stock 5KU-199
    5KU
    $37.99
  26. Image
    5KU 0.75 inch Airsoft Barrel Extension for 14mm Thread 5KU-371
    5KU
    Special Price $3.59 Regular Price $3.99
    Save 10%
  27. Image
    5KU 1 inch Airsoft Barrel Extension for 14mm Thread (CCW to CCW) Out of Stock 5KU-387
    5KU
    $3.99
  28. Image
    5KU Tokyo Marui MWS GBBR Airsoft Selector (SI Style) - Black Out of Stock 5KU-MWS-20-BK
    5KU
    $16.99
  29. Image
    5KU Tokyo Marui MWS GBBR Airsoft Selector (SI Style) - FDE 5KU-MWS-20-FDE
    5KU
    Special Price $15.29 Regular Price $16.99
    Save 10%
  30. Image
    5KU Tokyo Marui MWS GBBR Airsoft Selector (SI Style) - Red Out of Stock 5KU-MWS-20-RD
    5KU
    $16.99
  31. Image
    5KU Tokyo Marui MWS GBBR Airsoft Selector (SI Style) - Blue Out of Stock 5KU-MWS-20-BU
    5KU
    $16.99
  32. Image
    5KU Airsoft M4 AEG Lightweight CQB Outer Barrel (8.7 inch, Aluminum) - 14mm CCW Out of Stock 5KU-121
    5KU
    Special Price $10.00 Regular Price $13.99
    Save 29%
  33. Image
    5KU Airsoft M4 AEG Carbine Lightweight Outer Barrel (12.5 inch, Aluminum) - 14mm CCW 5KU-124
    5KU
    Special Price $14.78 Regular Price $16.99
    Save 13%
  34. Image
    5KU Airsoft M4 AEG Carbine Lightweight Outer Barrel (11.5 inch, Aluminum) - 14mm CCW 5KU-125
    5KU
    Special Price $14.39 Regular Price $15.99
    Save 10%
  35. Image
    5KU SMR MK8 Tactical Handguard for M4 AEG / GBB Airsoft (MLOK, 9.5 inch) - Black Out of Stock 5KU-298-BK
    5KU
    $63.99
  36. Image
    5KU SMR MK8 Tactical Handguard for M4 AEG / GBB Airsoft (MLOK, 9.5 inch) - DDC Out of Stock 5KU-298-DDC
    5KU
    $63.99
  37. Image
    5KU Airsoft M4 AEG Outer Barrel Set (14.5 inch, Aluminum) - Black 5KU-64-B
    5KU
    Special Price $17.99 Regular Price $19.99
    Save 10%
  38. Image
    5KU KAC Style Ambi Safety Selector for Tokyo Marui MWS Airsoft M4 GBBR (Type A) 5KU-MWS-23
    5KU
    Special Price $16.99 Regular Price $19.99
    Save 15%
  39. Image
    5KU KAC Style Ambi Safety Selector for Tokyo Marui MWS Airsoft M4 GBBR (Type B) 5KU-MWS-24
    5KU
    Special Price $16.99 Regular Price $19.99
    Save 15%
  40. Image
    5KU KAC Style Ambi Safety Selector for Tokyo Marui MWS Airsoft M4 GBBR (Type C) 5KU-MWS-25
    5KU
    Special Price $17.99 Regular Price $19.99
    Save 10%
  41. Image
    5KU SMR MK8 Tactical Handguard for M4 AEG / GBB Airsoft (MLOK, 7 inch) - DDC 5KU-297-DDC
    5KU
    Special Price $52.19 Regular Price $59.99
    Save 13%
  42. Image
    5KU SMR MK8 Tactical Handguard for M4 AEG / GBB Airsoft (MLOK, 13 inch) - Black 5KU-299-BK
    5KU
    $68.99
  43. Image
    5KU SMR MK8 Tactical Handguard for M4 AEG / GBB Airsoft (MLOK, 13 inch) - DDC 5KU-299-DDC
    5KU
    Special Price $60.02 Regular Price $68.99
    Save 13%
  44. Image
    5KU SMR MK8 Tactical Handguard for M4 AEG / GBB Airsoft (MLOK, 7 inch) - Black 5KU-297-BK
    5KU
    $59.99
  45. Image
    5KU Skeletonized Grip for M4 GBB Airsoft (CNC Aluminum) 5KU-GB-155-BK
    5KU
    $24.99
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  2. Model
    AR/M4 SERIES
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