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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 Airsoft Outer Barrel (12.5 inch M4 Carbine) - 14mm CCW (Require AEG Spec Barrel Nut & Sight) 1
    5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (12.5 inch M4 Carbine) - 14mm CCW (Require AEG Spec Barrel Nut & Sight) 5KU-MWS-6
    5KU
    Special Price $19.35 Regular Price $21.99
    Save 12%
  2. 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 $19.54 Regular Price $22.99
    Save 15%
  3. 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 $20.23 Regular Price $22.99
    Save 12%
  4. 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
    $22.99
  5. 5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (16 inch M4 Carbine)-14mm CCW (Require AEG Spec Barrel Nut) 1
    5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (16 inch M4 Carbine)-14mm CCW (Require AEG Spec Barrel Nut) 5KU-MWS-11
    5KU
    Special Price $21.99 Regular Price $24.99
    Save 12%
  6. 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 $21.99 Regular Price $24.99
    Save 12%
  7. 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 $22.49 Regular Price $24.99
    Save 10%
  8. 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 $23.39 Regular Price $25.99
    Save 10%
  9. 5KU DTK-2 Muzzle Brake for Airsoft AK AEG / GBB 0
    5KU DTK-2 Muzzle Brake for Airsoft AK AEG / GBB 5KU-268
    5KU
    $11.99
  10. 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
    $11.99
  11. 5KU VS-24 Aluminum AK Long Tubular Handguard for LCT / GHK AK AEG / GBB Airsoft Series 0
    5KU VS-24 Aluminum AK Long Tubular Handguard for LCT / GHK AK AEG / GBB Airsoft Series 5KU-284-BK
    5KU
    Special Price $43.99 Regular Price $49.99
    Save 12%
  12. 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
    $14.99
  13. 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%
  14. 5KU Tokyo Marui MWS GBBR PDW Stock 0
    5KU Tokyo Marui MWS GBBR PDW Stock 5KU-GB-159
    5KU
    Special Price $61.19 Regular Price $67.99
    Save 10%
  15. 5KU AK Lower Handguard (Zenitco B-11) for LCT / GHK AKS74U AEG / GBBR Airsoft 0
    5KU AK Lower Handguard (Zenitco B-11) for LCT / GHK AKS74U AEG / GBBR Airsoft 5KU-226-BK
    5KU
    Special Price $26.99 Regular Price $29.99
    Save 10%
  16. 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
    $36.99
  17. 5KU AK Lower Handguard (Zenitco B-11U) for LCT / GHK AKS74U - Black 0
    5KU AK Lower Handguard (Zenitco B-11U) for LCT / GHK AKS74U - Black 5KU-274-BK
    5KU
    Special Price $35.99 Regular Price $39.99
    Save 10%
  18. 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
    $56.99
  19. 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 $28.89 Regular Price $33.99
    Save 15%
  20. 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%
  21. 5KU AK Upper Rail (Zenitco B-18 Elongated AKS-74U Krink) for GHK / LCT AK Airsoft AEG / GBBR Series - Black 0
    5KU AK Upper Rail (Zenitco B-18 Elongated AKS-74U Krink) for GHK / LCT AK Airsoft AEG / GBBR Series - Black 5KU-275-BK
    5KU
    $12.99
  22. 5KU DTK-4 Silencer (24mm CW) 0
    5KU DTK-4 Silencer (24mm CW) 5KU-288-BK
    5KU
    $22.99
  23. 5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (20 inch, Aluminum) - 14mm CCW (Require AEG Spec Barrel Nut) 0
    5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (20 inch, Aluminum) - 14mm CCW (Require AEG Spec Barrel Nut) 5KU-MWS-14
    5KU
    $26.99
  24. 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 $11.69 Regular Price $12.99
    Save 10%
  25. 5KU Folding Stock Adapter (Aluminum) for E&L AK Series 0
    5KU Folding Stock Adapter (Aluminum) for E&L AK Series 5KU-214-2
    5KU
    Special Price $29.69 Regular Price $32.99
    Save 10%
  26. 5KU AK Rear Sight Picatinny Rail Mount 0
    5KU AK Rear Sight Picatinny Rail Mount 5KU-146
    5KU
    $11.99
  27. 5KU Picatinny Rail (Zenitco B-2L) 0
    5KU Picatinny Rail (Zenitco B-2L) 5KU-292-BK
    5KU
    Special Price $6.29 Regular Price $6.99
    Save 10%
  28. 5KU Picatinny Rail (Zenitco B-2) 0
    5KU Picatinny Rail (Zenitco B-2) 5KU-293-BK
    5KU
    Special Price $6.29 Regular Price $6.99
    Save 10%
  29. 5KU Picatinny Rail (Zenitco B-2U) 0
    5KU Picatinny Rail (Zenitco B-2U) 5KU-294-BK
    5KU
    Special Price $7.19 Regular Price $7.99
    Save 10%
  30. 5KU AK PT-1 Stock (Telescopic Side Folding Gen 2) for LCT / GHK / CYMA Airsoft AK AEG / GBBR Series 0
    5KU AK PT-1 Stock (Telescopic Side Folding Gen 2) for LCT / GHK / CYMA Airsoft AK AEG / GBBR Series 5KU-262-BK
    5KU
    $87.99
  31. 5KU AK PT-1 Stock (Telescopic Side Folding) for AK LCT / GHK / CYMA AK Series 0
    5KU AK PT-1 Stock (Telescopic Side Folding) for AK LCT / GHK / CYMA AK Series 5KU-213
    5KU
    $76.99
  32. 5KU AK Upper Handguard (Zenitco B19, Aluminum) 0
    5KU AK Upper Handguard (Zenitco B19, Aluminum) 5KU-227
    5KU
    $24.99
  33. 5KU AK Lower Handguard (Zenitco B30) for GHK / LCT AK Series 0
    5KU AK Lower Handguard (Zenitco B30) for GHK / LCT AK Series 5KU-228
    5KU
    $69.99
  34. 5KU Zenitco Sport 4 Kit for GHK / LCT AK74 0
    5KU Zenitco Sport 4 Kit for GHK / LCT AK74 5KU-305-BK
    5KU
    Special Price $83.59 Regular Price $94.99
    Save 12%
  35. 5KU AK Mlok Handguard (Extended) for LCT / GHK / CYMA AK47/74 Airsoft AEG Series 0
    5KU AK Mlok Handguard (Extended) for LCT / GHK / CYMA AK47/74 Airsoft AEG Series 5KU-301-BK
    5KU
    $61.99
  36. 5KU AK Lower Handguard (Zenitco B10M) 0
    5KU AK Lower Handguard (Zenitco B10M) 5KU-225
    5KU
    $49.99
  37. 5KU AK Mlok Handguard (Extended) for LCT / GHK / CYMA AK47/74 Airsoft Series 0
    5KU AK Mlok Handguard (Extended) for LCT / GHK / CYMA AK47/74 Airsoft Series 5KU-302-BK
    5KU
    Special Price $79.19 Regular Price $89.99
    Save 12%
  38. 5KU PBS-1 Mini Suppressor (14mm CCW) for LCT/GHK AK AEG/GBB Series 0
    5KU PBS-1 Mini Suppressor (14mm CCW) for LCT/GHK AK AEG/GBB Series 5KU-148
    5KU
    $21.99
  39. 5KU AK Upper Handguard (Zenitco B-31, Aluminum) 0
    5KU AK Upper Handguard (Zenitco B-31, Aluminum) 5KU-229
    5KU
    $39.99
  40. 5KU Zenitco Sport 1 Kit for GHK / LCT AK74 / AK105 AEG / GBBR Airsoft 0
    5KU Zenitco Sport 1 Kit for GHK / LCT AK74 / AK105 AEG / GBBR Airsoft 5KU-304-BK
    5KU
    $89.99
  41. 5KU AK Railed Gas Tube (Aluminum) for GHK / LCT AK Airsoft Series 0
    5KU AK Railed Gas Tube (Aluminum) for GHK / LCT AK Airsoft Series 5KU-261
    5KU
    Special Price $15.83 Regular Price $17.99
    Save 12%
  42. 5KU PBS-1 Suppressor (14mm CCW) for LCT/GHK AK AEG/GBB Airsoft Series 0
    5KU PBS-1 Suppressor (14mm CCW) for LCT/GHK AK AEG/GBB Airsoft Series 5KU-147
    5KU
    $27.99
  43. 5KU PBS-1 Suppressor (14mm CCW) with Spitfire Tracer for LCT/GHK AK AEG/GBB Series 0
    5KU PBS-1 Suppressor (14mm CCW) with Spitfire Tracer for LCT/GHK AK AEG/GBB Series 5KU-BBP-147
    5KU
    $59.99
  44. 5KU Picatinny Rail Stock Base for LCT / GHK / CYMA AK74S AEG / GBBR Airsoft 0
    5KU Picatinny Rail Stock Base for LCT / GHK / CYMA AK74S AEG / GBBR Airsoft 5KU-318
    5KU
    $10.99
  45. 5KU Picatinny Rail Stock Base for E&L AK74S 0
    5KU Picatinny Rail Stock Base for E&L AK74S 5KU-319
    5KU
    $10.99
  46. 5KU AK Muzzle Brake with Blast Shield (360 x 37, 24mm CW) 0
    5KU AK Muzzle Brake with Blast Shield (360 x 37, 24mm CW) 5KU-336
    5KU
    $20.99
  47. 5KU AK Muzzle Brake with Blast Shield (360 x 37, 14mm CCW) 0
    5KU AK Muzzle Brake with Blast Shield (360 x 37, 14mm CCW) 5KU-337
    5KU
    $20.99
  48. 5KU AK Muzzle Brake with Blast Shield (360 x 12, 14mm CCW) 0
    5KU AK Muzzle Brake with Blast Shield (360 x 12, 14mm CCW) 5KU-338
    5KU
    $20.99
  49. 5KU Tokyo Marui AKM GBBR Airsoft Buffer Tube & 1913 Adapter 0
    5KU Tokyo Marui AKM GBB Airsoft Buffer Tube & 1913 Adapter 5KU-GBTMAK003
    5KU
    $34.99
  50. 5KU Airsoft M4 AEG Picatinny Rail Stock Base 0
    5KU Airsoft M4 AEG Picatinny Rail Stock Base 5KU-317
    5KU
    $10.99
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