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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 (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) Out of Stock 5KU-MWS-10
    5KU
    $24.99
  2. 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) Out of Stock 5KU-MWS-13
    5KU
    $25.99
  3. 5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (7 inch CQB) - 14mm CCW (Require AEG Spec Barrel Nut & Sight) 1
    5KU Tokyo Marui MWS GBBR Airsoft Outer Barrel (7 inch CQB) - 14mm CCW (Require AEG Spec Barrel Nut & Sight) Out of Stock 5KU-MWS-1
    5KU
    $16.99
  4. 5KU Threaded Barrel Protector (Diagonals Knurled) - 14mm CCW (Black) 1
    5KU Threaded Barrel Protector (Diagonals Knurled) - 14mm CCW (Black) Out of Stock 5KU-GB-456-BK
    5KU
    $6.99
  5. GK Tactical TP-Pro Knurled Thread Protector - 14mm CCW - Black 1
    5KU Threaded Barrel Protector (TP-Pro Knurled) - 14mm CCW (Black) Out of Stock 5KU-GB-451-BK
    5KU
    $6.99
  6. 5KU SAS Front Kit for Tokyo Marui G17 / G18 GBB 1
    5KU SAS Front Kit for Tokyo Marui G17 / G18 GBB Out of Stock 5KU-GB-289
    5KU
    $28.99
  7. 5KU Tokyo Marui Hi Capa GBB Airsoft Magwell (Tactical) - Black 1
    5KU Tokyo Marui Hi Capa GBB Airsoft Magwell (Tactical) - Black Out of Stock 5KU-GB-441-BK
    5KU
    $21.99
  8. 5KU Toyo Marui Hi Capa Optic Mount (Aluminum) - Silver 0
    5KU Toyo Marui Hi Capa Optic Mount (Aluminum) - Silver Out of Stock 5KU-GB-458-S
    5KU
    $21.99
  9. Image
    5KU Ambi Thumb Safety (Stainless Steel) for Tokyo Marui Hi-Capa 5.1 / 4.3 GBB - Silver Out of Stock 5KU-GB-460-S
    5KU
    $15.99
  10. Image
    5KU Ambi Thumb Safety (Stainless Steel) for Tokyo Marui Hi-Capa 5.1 / 4.3 GBB - Black Out of Stock 5KU-GB-460-BK
    5KU
    $15.99
  11. Image
    5KU Magwell (Compact) for Tokyo Marui G17/ G18C & Umarex/VFC Glock19 - Gold Out of Stock 5KU-GB-467-G
    5KU
    $22.99
  12. Image
    5KU Magwell (Compact) for Tokyo Marui G17/ G18C & Umarex/VFC Glock19 - Red Out of Stock 5KU-GB-467-RD
    5KU
    $22.99
  13. Image
    5KU Magwell (Compact) for Tokyo Marui G17/ G18C & Umarex/VFC Glock19 - Blue Out of Stock 5KU-GB-467-BU
    5KU
    $22.99
  14. Image
    5KU Magwell (Compact) for Tokyo Marui G17/ G18C & Umarex/VFC Glock19 - Silver Out of Stock 5KU-GB-467-S
    5KU
    $22.99
  15. 5KU AK Upper Handguard (Zenitco B-31C) for AK74 / AK105 AEG / GBB - Black 0
    5KU AK Upper Handguard (Zenitco B-31C) for AK74 / AK105 AEG / GBB - Black Out of Stock 5KU-269-BK
    5KU
    $49.99
  16. 5KU Zenitco B-22 AK Classic Upper Rail for LCT / GHK AK AEG / GBB Airsoft Series - TAN 0
    5KU Zenitco B-22 AK Classic Upper Rail for LCT / GHK AK AEG / GBB Airsoft Series - TAN Out of Stock 5KU-265-T
    5KU
    $11.99
  17. 5KU VS-25 Aluminum AK-105 Tubular Handguard for LCT / GHK AK AEG / GBBR Airsoft Series 0
    5KU VS-25 Aluminum AK-105 Tubular Handguard for LCT / GHK AK AEG / GBBR Airsoft Series Out of Stock 5KU-285-BK
    5KU
    $48.99
  18. Image
    5KU PT-3 Stock (AK Telescopic Foldable Stock) for AK AEG / GBB - Black Out of Stock 5KU-277-BK
    5KU
    $89.99
  19. Image
    5KU PT-3 Stock (AK Telescopic Foldable Stock) for AK AEG / GBB - Tan Out of Stock 5KU-277-T
    5KU
    $89.99
  20. 5KU B-19N Classic AK Gas Tube Cover for LCT/GHK AK Series (except AKS74U) - TAN 0
    5KU B-19N Classic AK Gas Tube Cover for LCT/GHK AK Series (except AKS74U) - TAN Out of Stock 5KU-272-T
    5KU
    $13.99
  21. 5KU AK Lower Handguard (Zenitco B-11U) for LCT / GHK AKS74U - TAN 0
    5KU AK Lower Handguard (Zenitco B-11U) for LCT / GHK AKS74U - TAN Out of Stock 5KU-274-T
    5KU
    $39.99
  22. 5KU AK Lower Handguard (Zenitco B-10U) for LCT / GHK AK Series(except AKS74U) - TAN 0
    5KU AK Lower Handguard (Zenitco B-10U) for LCT / GHK AK Series(except AKS74U) - TAN Out of Stock 5KU-273-TN
    5KU
    $36.99
  23. 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 Out of Stock 5KU-274-BK
    5KU
    $39.99
  24. 5KU AK Lower Handguard (Zenitco B-30U) for LCT / GHK AK AEG / GBBR - Desert TAN 0
    5KU AK Lower Handguard (Zenitco B-30U) for LCT / GHK AK AEG / GBBR - Desert TAN Out of Stock 5KU-279-T
    5KU
    $56.99
  25. 5KU AK Upper Rail (Zenitco B-18 Elongated AKS-74U Krink) for GHK / LCT AK AEG / GBB Series - TAN 0
    5KU AK Upper Rail (Zenitco B-18 Elongated AKS-74U Krink) for GHK / LCT AK AEG / GBB Series - TAN Out of Stock 5KU-275-T
    5KU
    $13.99
  26. 5KU AK Upper Rail (Zenitco B-18U Elongated AKS-74U Krink) for GHK / LCT AK AEG / GBB Series - TAN 0
    5KU AK Upper Rail (Zenitco B-18U Elongated AKS-74U Krink) for GHK / LCT AK AEG / GBB Series - TAN Out of Stock 5KU-276-T
    5KU
    $13.99
  27. 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 Out of Stock 5KU-275-BK
    5KU
    $12.99
  28. 5KU AK Upper Rail (Zenitco B-18U Elongated AKS-74U Krink) for GHK / LCT AK AEG / GBB Series-Black 0
    5KU AK Upper Rail (Zenitco B-18U Elongated AKS-74U Krink) for GHK / LCT AK AEG / GBB Series-Black Out of Stock 5KU-276-BK
    5KU
    $10.99
  29. 5KU 1911 Punisher Compensator for Tokyo Marui 1911 GBB Airsoft Style 1 - Black 0
    5KU 1911 Punisher Compensator for Tokyo Marui 1911 GBB Airsoft Style 1 - Black Out of Stock 5KU-GB-439-BK
    5KU
    $13.99
  30. 5KU Toyo Marui Hi Capa GBB Airsoft Optic Mount (Aluminum) - Neo Chrome 0
    5KU Toyo Marui Hi Capa GBB Airsoft Optic Mount (Aluminum) - Neo Chrome Out of Stock 5KU-GB-458-HG
    5KU
    $21.99
  31. Image
    5KU Spitfire Tracer BBP-GA for WE Galaxy G Series GBB (25mm CW) - Black Out of Stock BBP-GA-BK
    5KU
    $39.99
  32. 5KU Threaded Barrel Protector (Hexagon) - 14mm CCW (Black) 0
    5KU Threaded Barrel Protector (Hexagon) - 14mm CCW (Black) Out of Stock 5KU-GB-483-BK
    5KU
    $6.99
  33. 5KU Threaded Barrel Protector (Hexagon) - 14mm CCW (Gold) 0
    5KU Threaded Barrel Protector (Hexagon) - 14mm CCW (Gold) Out of Stock 5KU-GB-483-G
    5KU
    $6.99
  34. 5KU TTI Magwell for Tokyo Marui Hi-Capa GBB Series 0
    5KU TTI Magwell for Tokyo Marui Hi-Capa GBB Series Out of Stock 5KU-GB-484-BK
    5KU
    $13.99
  35. 5KU Trigger (Aluminum) FI Style for Tokyo Marui G Series GBB Airsoft - Silver 0
    5KU Trigger (Aluminum) FI Style for Tokyo Marui G Series GBB Airsoft - Silver Out of Stock 5KU-GB-488-S
    5KU
    $13.99
  36. 5KU Trigger (Aluminum) FI Style for Tokyo Marui G Series GBB Airsoft - Red 0
    5KU Trigger (Aluminum) FI Style for Tokyo Marui G Series GBB Airsoft - Red Out of Stock 5KU-GB-488-R
    5KU
    $13.99
  37. 5KU Trigger (Aluminum) FI Style for Tokyo Marui G Series GBB Airsoft - Black 0
    5KU Trigger (Aluminum) FI Style for Tokyo Marui G Series GBB Airsoft - Black Out of Stock 5KU-GB-488-BK
    5KU
    $13.99
  38. 5KU Tokyo Marui Hi Capa TTI Magwell G2 (CNC Aluminum) - Titanium Grey 0
    5KU Tokyo Marui Hi Capa TTI Magwell G2 (CNC Aluminum) - Titanium Grey Out of Stock 5KU-GB-487-TG
    5KU
    $15.99
  39. 5KU TTI Magwell G2 (CNC Aluminum) for Tokyo Marui Hi-Capa GBB - Gold 0
    5KU TTI Magwell G2 (CNC Aluminum) for Tokyo Marui Hi-Capa GBB - Gold Out of Stock 5KU-GB-487-G
    5KU
    $16.99
  40. 5KU Tokyo Marui Hi Capa TTI Magwell G2 (CNC Aluminum) - Red 0
    5KU Tokyo Marui Hi Capa TTI Magwell G2 (CNC Aluminum) - Red Out of Stock 5KU-GB-487-R
    5KU
    $15.99
  41. 5KU Tokyo Marui Hi Capa GBB Airsoft TTI Magwell G2 (CNC Aluminum) - Black 0
    5KU Tokyo Marui Hi Capa GBB Airsoft TTI Magwell G2 (CNC Aluminum) - Black Out of Stock 5KU-GB-487-BK
    5KU
    $15.99
  42. 5KU Tokyo Marui Hi Capa Hammer & Strut (Limcat, Steel) 0
    5KU Tokyo Marui Hi Capa Hammer & Strut (Limcat, Steel) Out of Stock 5KU-GB-491-BK
    5KU
    Special Price $12.59 Regular Price $13.99
    Save 10%
  43. 5KU STI Hammer & Strut for Tokyo Marui / WE / Army Hi-Capa GBB Airsoft Series (CNC Steel) - Black 0
    5KU STI Hammer & Strut for Tokyo Marui / WE / Army Hi-Capa GBB Airsoft Series (CNC Steel) - Black Out of Stock 5KU-GB-482-BK
    5KU
    $13.99
  44. 5KU PBS-4 Suppressor (24mmx1.5mm CW & 14mmx1.0mm CCW) for LCT/GHK AK Airsoft AEG/GBB Series 0
    5KU PBS-4 Suppressor (24mmx1.5mm CW & 14mmx1.0mm CCW) for LCT/GHK AK Airsoft AEG/GBB Series Out of Stock 5KU-149
    5KU
    $31.99
  45. 5KU Tokyo Marui M4 AEG PDW Stock 0
    5KU Tokyo Marui M4 AEG PDW Stock Out of Stock 5KU-200
    5KU
    $46.99
  46. 5KU Zenitco PK-5 AK Front Grip (Aluminum) 0
    5KU Zenitco PK-5 AK Front Grip (Aluminum) Out of Stock 5KU-221
    5KU
    $19.99
  47. 5KU Folding Stock Adapter (Aluminum) for GHK / LCT / CYMA AK AEG / GBBR Airsoft Series 0
    5KU Folding Stock Adapter (Aluminum) for GHK / LCT / CYMA AK AEG / GBBR Airsoft Series Out of Stock 5KU-214
    5KU
    $32.99
  48. 5KU Picatinny Rail (Zenitco B-2M) 0
    5KU Picatinny Rail (Zenitco B-2M) Out of Stock 5KU-291-BK
    5KU
    $4.99
  49. 5KU Picatinny Rail (Zenitco B-2L) 0
    5KU Picatinny Rail (Zenitco B-2L) Out of Stock 5KU-292-BK
    5KU
    $6.99
  50. 5KU Picatinny Rail (Zenitco B-2U) 0
    5KU Picatinny Rail (Zenitco B-2U) Out of Stock 5KU-294-BK
    5KU
    $7.99
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