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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 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 5KU-214
    5KU
    Special Price $29.69 Regular Price $32.99
    Save 10%
  2. 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
    $32.99
  3. 5KU AK Rear Sight Picatinny Rail Mount 0
    5KU AK Rear Sight Picatinny Rail Mount 5KU-146
    5KU
    Special Price $10.00 Regular Price $11.99
    Save 17%
  4. 5KU Picatinny Rail (Zenitco B-2M) 0
    5KU Picatinny Rail (Zenitco B-2M) 5KU-291-BK
    5KU
    Special Price $4.49 Regular Price $4.99
    Save 10%
  5. 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%
  6. 5KU Picatinny Rail (Zenitco B-2U) 0
    5KU Picatinny Rail (Zenitco B-2U) 5KU-294-BK
    5KU
    $7.99
  7. 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
    Special Price $80.95 Regular Price $87.99
    Save 8%
  8. 5KU AK Upper Handguard (Zenitco B19, Aluminum) 0
    5KU AK Upper Handguard (Zenitco B19, Aluminum) 5KU-227
    5KU
    $24.99
  9. 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
    Special Price $62.99 Regular Price $69.99
    Save 10%
  10. 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 $85.49 Regular Price $94.99
    Save 10%
  11. 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
    Special Price $55.79 Regular Price $61.99
    Save 10%
  12. 5KU AK Lower Handguard (Zenitco B10M) 0
    5KU AK Lower Handguard (Zenitco B10M) 5KU-225
    5KU
    $49.99
  13. 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 $80.99 Regular Price $89.99
    Save 10%
  14. 5KU AK Upper Handguard (Zenitco B-31, Aluminum) 0
    5KU AK Upper Handguard (Zenitco B-31, Aluminum) 5KU-229
    5KU
    $39.99
  15. 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 $16.19 Regular Price $17.99
    Save 10%
  16. 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
    Special Price $25.19 Regular Price $27.99
    Save 10%
  17. 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%
  18. 5KU Tokyo Marui Hi Capa GBB Airsoft Extended Slide Stop (Stainless Steel, Silver) 0
    5KU Tokyo Marui Hi Capa GBB Airsoft Extended Slide Stop (Stainless Steel, Silver) 5KU-GB-502-S
    5KU
    $22.99
  19. 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
    Special Price $52.19 Regular Price $59.99
    Save 13%
  20. 5KU Picatinny Rail Stock Base for E&L AK74S 0
    5KU Picatinny Rail Stock Base for E&L AK74S 5KU-319
    5KU
    Special Price $10.00 Regular Price $10.99
    Save 9%
  21. 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
    Special Price $20.00 Regular Price $20.99
    Save 5%
  22. 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
    Special Price $20.00 Regular Price $20.99
    Save 5%
  23. 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
    Special Price $20.00 Regular Price $20.99
    Save 5%
  24. 5KU Tokyo Marui Hi Capa Slide Stop (Extended, Stainless Steel, Type 2) - Silver 0
    5KU Tokyo Marui Hi Capa Slide Stop (Extended, Stainless Steel, Type 2) - Silver 5KU-GB-503-SV
    5KU
    $21.99
  25. 5KU Slide Stop (Stainless Steel) for Tokyo Marui Hi Capa GBB (Type 4) - Black 0
    5KU Slide Stop (Stainless Steel) for Tokyo Marui Hi Capa GBB (Type 4) - Black 5KU-GB-504-BK
    5KU
    Special Price $15.29 Regular Price $16.99
    Save 10%
  26. 5KU Tokyo Marui Hi Capa GBB Airsoft Hammer & Strut (Steel, Compatible with WE/Army) - Black (GB-505) 0
    5KU Tokyo Marui Hi Capa GBB Airsoft Hammer & Strut (Steel, Compatible with WE/Army) - Black (GB-505) 5KU-GB-505-BK
    5KU
    Special Price $20.00 Regular Price $20.99
    Save 5%
  27. 5KU Steel Hammer & Strut for WE / ARMY / Tokyo Marui Hi Capa GBB Airsoft Pistol - Gold (GB-505) 0
    5KU Steel Hammer & Strut for WE / ARMY / Tokyo Marui Hi Capa GBB Airsoft Pistol - Gold (GB-505) 5KU-GB-505-GD
    5KU
    Special Price $20.00 Regular Price $20.99
    Save 5%
  28. 5KU Tokyo Marui Hi Capa Hammer & Strut (Steel, Compatible with WE/Army GBB Airsoft Pistol) - Black (GB-507) 0
    5KU Tokyo Marui Hi Capa Hammer & Strut (Steel, Compatible with WE/Army GBB Airsoft Pistol) - Black (GB-507) 5KU-GB-507-BK
    5KU
    Special Price $20.00 Regular Price $20.99
    Save 5%
  29. 5KU Tokyo Marui 1911 GBB Airsoft Magazine Catch (Stainless Steel, Type 1) - Silver 0
    5KU Tokyo Marui 1911 GBB Airsoft Magazine Catch (Stainless Steel, Type 1) - Silver 5KU-GB-508-SV
    5KU
    Special Price $10.00 Regular Price $14.99
    Save 33%
  30. 5KU Tokyo Marui 1911 Magazine Catch (Stainless Steel, Type 1) - Gold 0
    5KU Tokyo Marui 1911 Magazine Catch (Stainless Steel, Type 1) - Gold 5KU-GB-508-GD
    5KU
    Special Price $10.00 Regular Price $14.99
    Save 33%
  31. 5KU Tokyo Marui 1911 Magazine Catch (Stainless Steel, Type 2) - Gold 0
    5KU Tokyo Marui 1911 Magazine Catch (Stainless Steel, Type 2) - Gold 5KU-GB-509-GD
    5KU
    Special Price $10.49 Regular Price $14.99
    Save 30%
  32. 5KU Tokyo Hi Capa GBB Airsoft Slide Stop (Stainless Steel, Type 5) - Black 0
    5KU Tokyo Hi Capa GBB Airsoft Slide Stop (Stainless Steel, Type 5) - Black 5KU-GB-511-BK
    5KU
    Special Price $15.29 Regular Price $16.99
    Save 10%
  33. 5KU Tokyo Hi Capa Slide Stop (Stainless Steel, Type 5) - Silver 0
    5KU Tokyo Hi Capa Slide Stop (Stainless Steel, Type 5) - Silver 5KU-GB-511-SV
    5KU
    Special Price $15.29 Regular Price $16.99
    Save 10%
  34. 5KU Slide Stop (Stainless Steel) for Tokyo Marui Hi Capa GBB (Type 7) - Black 0
    5KU Slide Stop (Stainless Steel) for Tokyo Marui Hi Capa GBB (Type 7) - Black 5KU-GB-513-BK
    5KU
    Special Price $15.29 Regular Price $16.99
    Save 10%
  35. 5KU Tokyo Marui 1911 Magazine Catch (Ambi, Stainless Steel, Type 1)- Silver 0
    5KU Tokyo Marui 1911 Magazine Catch (Ambi, Stainless Steel, Type 1)- Silver 5KU-GB-510-SV
    5KU
    Special Price $18.47 Regular Price $20.99
    Save 12%
  36. 5KU Tokyo Marui Hi Capa 5.1 GBB Airsoft Outer Barrel (Aluminum) - Red 0
    5KU Tokyo Marui Hi Capa 5.1 GBB Airsoft Outer Barrel (Aluminum) - Red 5KU-GB-520-RD
    5KU
    Special Price $20.00 Regular Price $23.99
    Save 17%
  37. 5KU Tokyo Marui Hi Capa 5.1 Outer Barrel (Tornado, Aluminum) - Gold 0
    5KU Tokyo Marui Hi Capa 5.1 Outer Barrel (Tornado, Aluminum) - Gold 5KU-GB-521-GD
    5KU
    $23.99
  38. 5KU Tokyo Marui Hi Capa 5.1 Outer Barrel (Tornado, Aluminum) - Red 0
    5KU Tokyo Marui Hi Capa 5.1 Outer Barrel (Tornado, Aluminum) - Red 5KU-GB-521-RD
    5KU
    Special Price $20.00 Regular Price $23.99
    Save 17%
  39. 5KU Shotgun Blaster Tracer (23.5mm) 0
    5KU Shotgun Blaster Tracer (23.5mm) BBP-12-235
    5KU
    Special Price $44.99 Regular Price $49.99
    Save 10%
  40. 5KU Shotgun Blaster Tracer (24mm) 0
    5KU Shotgun Blaster Tracer (24mm) BBP-12-240
    5KU
    Special Price $44.99 Regular Price $49.99
    Save 10%
  41. 5KU Action Army AAP 01 GBB Airsoft Magwell (CNC, Type 1) - Silver 0
    5KU Action Army AAP01 GBB Airsoft Magwell (CNC, Type 1) - Silver 5KU-ABAAP-004-SV
    5KU
    Special Price $10.00 Regular Price $14.99
    Save 33%
  42. 5KU Action Army AAP 01 GBB Airsoft Magwell (CNC, Type 1) - Black 0
    5KU Action Army AAP01 GBB Airsoft Magwell (CNC, Type 1) - Black 5KU-ABAAP-004-BK
    5KU
    Special Price $10.00 Regular Price $14.99
    Save 33%
  43. 5KU Action Army AAP 01 GBB Airsoft Magwell (CNC, Type 1) - Gold 0
    5KU Action Army AAP01 GBB Airsoft Magwell (CNC, Type 1) - Gold 5KU-ABAAP-004-GD
    5KU
    Special Price $10.00 Regular Price $14.99
    Save 33%
  44. 5KU Action Army AAP 01 GBB Airsoft Magwell (CNC, Type 1) - Blue 0
    5KU Action Army AAP01 GBB Airsoft Magwell (CNC, Type 1) - Blue 5KU-ABAAP-004-BU
    5KU
    Special Price $10.00 Regular Price $14.99
    Save 33%
  45. 5KU Action Army AAP 01 GBB Airsoft Magwell (CNC, Type 1) - Red 0
    5KU Action Army AAP01 GBB Airsoft Magwell (CNC, Type 1) - Red 5KU-ABAAP-004-RD
    5KU
    Special Price $10.00 Regular Price $14.99
    Save 33%
  46. 5KU Action Army AAP 01 GBB Airsoft Magwell (CNC, Type 2) - Gold 0
    5KU Action Army AAP01 GBB Airsoft Magwell (CNC, Type 2) - Gold 5KU-ABAAP-005-GD
    5KU
    Special Price $10.00 Regular Price $14.99
    Save 33%
  47. 5KU Action Army AAP 01 GBB Airsoft Magwell (CNC, Type 2) - Red 0
    5KU Action Army AAP01 GBB Airsoft Magwell (CNC, Type 2) - Red 5KU-ABAAP-005-RD
    5KU
    $14.99
  48. 5KU Action Army AAP 01 GBB Airsoft Magwell (CNC, Type 2) - Black 0
    5KU Action Army AAP01 GBB Airsoft Magwell (CNC, Type 2) - Black 5KU-ABAAP-005-BK
    5KU
    Special Price $10.00 Regular Price $14.99
    Save 33%
  49. 5KU Tokyo Marui Hi Capa GBB Airsoft Magazine Catch (Type 4) - Red 0
    5KU Tokyo Marui Hi Capa GBB Airsoft Magazine Catch (Type 4) - Red 5KU-GB-517-RD
    5KU
    Special Price $10.00 Regular Price $11.99
    Save 17%
  50. 5KU Tokyo Marui Hi Capa Magazine Catch (Type 4) - Silver 0
    5KU Tokyo Marui Hi Capa Magazine Catch (Type 4) - Silver 5KU-GB-517-SV
    5KU
    Special Price $10.00 Regular Price $11.99
    Save 17%
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