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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 Airsoft M4 AEG Lightweight Carbine Outer Barrel (10 inch, Aluminum) 5KU-122
    5KU
    Special Price $14.39 Regular Price $15.99
    Save 10%
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    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%
  3. Image
    5KU TS-8RP Triangle Rise Stock w/ Buttpad and 1913 Folding Mech for 20mm Rail - Black 5KU-360-BK
    5KU
    Special Price $53.99 Regular Price $59.99
    Save 10%
  4. Image
    5KU SR-5 Adjustable Bipod for 1913 Picatinny 20mm Rail 5KU-209
    5KU
    Special Price $59.99 Regular Price $79.99
    Save 25%
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    5KU Universal Sling Swivel Mount A-1 5KU-264-BK
    5KU
    Special Price $8.99 Regular Price $9.99
    Save 10%
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    5KU One O-Clock Offset Mount for 20mm Rail 5KU-89
    5KU
    Special Price $8.09 Regular Price $8.99
    Save 10%
  7. Image
    5KU AK GBB KGB MG74 Style Grip 5KU-GB-162-BK
    5KU
    $26.99
  8. 5KU Picatinny Rail (Zenitco B-2L) - Tan 1
    5KU Picatinny Rail (Zenitco B-2L) - Tan 5KU-292-T
    5KU
    $6.99
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    5KU Picatinny Rail (Zenitco B-2) - Tan 5KU-293-T
    5KU
    $6.99
  10. 5KU Picatinny Rail (Zenitco B-2U) - Tan 1
    5KU Picatinny Rail (Zenitco B-2U) - Tan 5KU-294-T
    5KU
    $7.99
  11. 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%
  12. Image
    5KU Tokyo Marui Hi Capa 5.1 Recoil Spring Plug (Aluminum) - Gold 5KU-GB-569-GD
    5KU
    Special Price $4.49 Regular Price $4.99
    Save 10%
  13. Image
    5KU Tokyo Marui Hi Capa 5.1 Recoil Spring Plug (Aluminum) - Green 5KU-GB-569-GN
    5KU
    Special Price $4.49 Regular Price $4.99
    Save 10%
  14. Image
    5KU Tokyo Marui Hi Capa 5.1 Recoil Spring Plug (Aluminum) - Purple 5KU-GB-569-PU
    5KU
    Special Price $4.49 Regular Price $4.99
    Save 10%
  15. Image
    5KU Tokyo Marui Hi Capa 5.1 Recoil Spring Plug (Aluminum) - Red 5KU-GB-569-RD
    5KU
    Special Price $4.49 Regular Price $4.99
    Save 10%
  16. Image
    5KU Tokyo Marui Hi Capa 5.1 Recoil Spring Plug (Aluminum) - Silver 5KU-GB-569-SV
    5KU
    Special Price $4.49 Regular Price $4.99
    Save 10%
  17. 5KU Tokyo Marui Hi Capa Pit Viper Kit (CNC Aluminum) 1
    5KU Tokyo Marui Hi Capa Pit Viper Kit (CNC Aluminum) 5KU-GB-575
    5KU
    $209.99
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    5KU CYMA MP5K Picatinny M1913 Rail Stock Adapter 5KU-357
    5KU
    $11.99
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    5KU CYMA AK AEG Airsoft Quick Release Magazine Catch 5KU-367
    5KU
    Special Price $9.89 Regular Price $10.99
    Save 10%
  20. Image
    5KU GHK AKM GBBR V2 Telescopic Buttstock with Cheek Riser 5KU-397-BK
    5KU
    Special Price $89.99 Regular Price $99.99
    Save 10%
  21. 5KU Tokyo Marui Hi Capa GBB Aluminum Slide & Frame Set (Matrix Type Interchangeable Comp) - Red / Gold 1
    5KU Tokyo Marui Hi Capa GBB Aluminum Slide & Frame Set (Matrix Type Interchangeable Comp) - Red / Gold 5KU-GB-573-RDGD
    5KU
    Special Price $142.49 Regular Price $189.99
    Save 25%
  22. 5KU Tokyo Marui Hi Capa GBB Aluminum Slide & Frame Set (Matrix Type Interchangeable Comp) - Red / Black 1
    5KU Tokyo Marui Hi Capa GBB Aluminum Slide & Frame Set (Matrix Type Interchangeable Comp) - Red / Black 5KU-GB-573-RDBK
    5KU
    Special Price $142.49 Regular Price $189.99
    Save 25%
  23. Image
    5KU Aluminum XL Infinity Magwell for Aluminum Grip Only - Silver 5KU-GB-596-SV
    5KU
    $19.99
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    5KU Aluminum XL Infinity Magwell for Aluminum Grip Only - Purple 5KU-GB-596-PU
    5KU
    $19.99
  25. Image
    5KU Tokyo Marui Hi Capa GBB Hollow Magwell (Aluminum) - Silver 5KU-GB-589-SV
    5KU
    Special Price $17.99 Regular Price $19.99
    Save 10%
  26. Image
    5KU Tokyo Marui Hi Capa GBB Hollow Magwell (Aluminum) - Gold 5KU-GB-589-GD
    5KU
    $19.99
  27. Image
    5KU Tokyo Marui Hi Capa GBB Hollow Magwell (Aluminum) - Blue 5KU-GB-589-BU
    5KU
    Special Price $15.99 Regular Price $19.99
    Save 20%
  28. Image
    5KU Tokyo Marui Hi Capa GBB Hollow Magwell (Aluminum) - Black 5KU-GB-589-BK
    5KU
    $19.99
  29. Image
    5KU Tokyo Marui Hi Capa 5.1 GBB STI Style Rear Sight - Gold 5KU-GB-595-GD
    5KU
    Special Price $12.59 Regular Price $13.99
    Save 10%
  30. Image
    5KU Tokyo Marui Hi Capa 5.1 GBB STI Style Rear Sight - Silver 5KU-GB-595-SV
    5KU
    Special Price $12.59 Regular Price $13.99
    Save 10%
  31. Image
    5KU Tokyo Marui Hi Capa 5.1 GBB BO Style Rear Sight - Black Out of Stock 5KU-GB-582-BK
    5KU
    Special Price $12.59 Regular Price $13.99
    Save 10%
  32. Image
    5KU Tokyo Marui Hi Capa GBB Airsoft Slide Stop - Type 1 (Aluminum, Silver) 5KU-GB-581-SV
    5KU
    $9.99
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    5KU Tokyo Marui Hi Capa GBB Airsoft Slide Stop - Type 1 (Aluminum, Black) 5KU-GB-581-BK
    5KU
    $9.99
  34. Image
    5KU Action Army AAP01 GBB Guide Rod Set (Aluminum) - Gold 5KU-ABAAP-016-GD
    5KU
    Special Price $7.19 Regular Price $7.99
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  35. Image
    5KU Action Army AAP01 GBB Guide Rod Set (Aluminum) - Green 5KU-ABAAP-016-GN
    5KU
    $7.99
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    5KU Action Army AAP01 GBB Guide Rod Set (Aluminum) - Blue 5KU-ABAAP-016-BU
    5KU
    $7.99
  37. Image
    5KU Action Army AAP01 GBB Guide Rod Set (Aluminum) - Red 5KU-ABAAP-016-RD
    5KU
    $7.99
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    5KU Zenitco Sport 4 Kit for GHK / LCT AK74 - TAN 5KU-305-T
    5KU
    $94.99
  39. Image
    5KU ST-6 Style w/ Folding Mech M1913 20mm Rail - Black 5KU-341
    5KU
    Special Price $34.19 Regular Price $37.99
    Save 10%
  40. Image
    5KU Tokyo Marui Hi Capa GBB Airsoft Hammer & Strut (Steel, Compatible with WE/Army) - Silver (GB-505) 5KU-GB-505-SV
    5KU
    Special Price $18.89 Regular Price $20.99
    Save 10%
  41. Image
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Type 7) - Black 5KU-GB-591-BK
    5KU
    Special Price $107.99 Regular Price $119.99
    Save 10%
  42. Image
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Type 7) - Red 5KU-GB-591-RD
    5KU
    Special Price $107.99 Regular Price $119.99
    Save 10%
  43. Image
    5KU Tokyo Marui Hi Capa GBB CNC Aluminum Grip (Type 7) - Silver 5KU-GB-591-SV
    5KU
    $119.99
  44. Image
    5KU Tokyo Marui Hi Capa 5.1 Stainless Steel Outer Barrel (M11 CW) - Black 5KU-GB-593-BK
    5KU
    Special Price $35.99 Regular Price $39.99
    Save 10%
  45. Image
    5KU Tokyo Marui Hi Capa 5.1 Stainless Steel Outer Barrel (M11 CW) - Gold 5KU-GB-593-GD
    5KU
    Special Price $35.99 Regular Price $39.99
    Save 10%
  46. Image
    5KU Tokyo Marui Hi Capa 5.1 Stainless Steel Outer Barrel (M11 CW) - Rainbow 5KU-GB-593-HG
    5KU
    Special Price $35.99 Regular Price $39.99
    Save 10%
  47. Image
    5KU Tokyo Marui Hi Capa 5.1 Stainless Steel Outer Barrel (M11 CW) - Silver 5KU-GB-593-SV
    5KU
    Special Price $35.99 Regular Price $39.99
    Save 10%
  48. Image
    5KU ACRO Optic Mount Base for Tokyo Marui G17 Gen 5 MOS GBBP 5KU-GBTM17G5002
    5KU
    Special Price $7.19 Regular Price $7.99
    Save 10%
  49. Image
    5KU Action Army AAP01 Lightweight Advanced Bolt with Selector Switch (CNC Aluminum, Silver) 5KU-ABAAP-003-SV
    5KU
    Special Price $34.19 Regular Price $37.99
    Save 10%
  50. Image
    5KU Tokyo Marui Hi Capa 5.1 GBB Aluminum Hollow Outer Barrel - Black 5KU-GB-557-BK
    5KU
    $20.99
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