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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 Thread Barrel Protector (TP-Pro Knurled) - 14mm CCW (Gold) 1
    5KU Thread Barrel Protector (TP-Pro Knurled) - 14mm CCW (Gold) Out of Stock 5KU-GB-451-G
    5KU
    $4.99
  2. 5KU 11mm CW to 14mm CCW Adapter (Stainless Steel) - Silver 0
    5KU 11mm CW to 14mm CCW Adapter (Stainless Steel) - Silver Out of Stock 5KU-GB-477-S
    5KU
    Special Price $6.29 Regular Price $6.99
    Save 10%
  3. 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
  4. 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
    Special Price $29.43 Regular Price $31.99
    Save 8%
  5. 5KU Zenitco PK-1 AK Front Grip (Aluminum) 0
    5KU Zenitco PK-1 AK Front Grip (Aluminum) Out of Stock 5KU-218
    5KU
    $19.99
  6. 5KU Zenitco PK-6 AK Front Grip (Aluminum) 0
    5KU Zenitco PK-6 AK Front Grip (Aluminum) Out of Stock 5KU-211
    5KU
    Special Price $17.99 Regular Price $19.99
    Save 10%
  7. 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 Out of Stock 5KU-148
    5KU
    Special Price $20.23 Regular Price $21.99
    Save 8%
  8. 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 Out of Stock 5KU-147
    5KU
    Special Price $25.19 Regular Price $27.99
    Save 10%
  9. 5KU Z Series A-1L Sling Mount - Black 0
    5KU Z Series A-1L Sling Mount - Black Out of Stock 5KU-348-BK
    5KU
    $10.99
  10. 5KU Z Series A-1L Sling Mount - Tan 0
    5KU Z Series A-1L Sling Mount - Tan Out of Stock 5KU-348-T
    5KU
    $10.99
  11. 5KU Picatinny Buffer Tube Adapter 0
    5KU Picatinny Buffer Tube Adapter Out of Stock 5KU-320
    5KU
    Special Price $31.27 Regular Price $33.99
    Save 8%
  12. 5KU Serrated Scale Hand Stop for M-Lok / Keymod Handguard - Black 0
    5KU Serrated Scale Hand Stop for M-Lok / Keymod Handguard - Black Out of Stock 5KU-189-2
    5KU
    Special Price $15.29 Regular Price $16.99
    Save 10%
  13. 5KU MPI KP-9 Flash Hider (14mm CCW) 0
    5KU MPI KP-9 Flash Hider (14mm CCW) Out of Stock 5KU-334
    5KU
    $24.99
  14. 5KU SFG MLOK Skeleton Forward Grip - Black 0
    5KU SFG MLOK Skeleton Forward Grip - Black Out of Stock 5KU-358-BK
    5KU
    $11.99
  15. 5KU SFG MLOK Skeleton Forward Grip - DDC 0
    5KU SFG MLOK Skeleton Forward Grip - DDC Out of Stock 5KU-358-DDC
    5KU
    Special Price $10.79 Regular Price $11.99
    Save 10%
  16. 5KU SFG MLOK Skeleton Forward Grip - OD 0
    5KU SFG MLOK Skeleton Forward Grip - OD Out of Stock 5KU-358-OD
    5KU
    Special Price $10.79 Regular Price $11.99
    Save 10%
  17. 5KU Vertical Knurling Threaded Protector - 14mm CCW - Silver 0
    5KU Vertical Knurling Threaded Protector - 14mm CCW - Silver Out of Stock 5KU-GB-577-SV
    5KU
    Special Price $5.39 Regular Price $5.99
    Save 10%
  18. 5KU Rhombus Threaded Protector - 14mm CCW - Black 0
    5KU Rhombus Threaded Protector - 14mm CCW - Black Out of Stock 5KU-GB-578-BK
    5KU
    Special Price $5.39 Regular Price $5.99
    Save 10%
  19. Image
    5KU Tokyo Marui Hi Capa GBB Airsoft Grip Safety - Type 1 (Aluminium, Black) Out of Stock 5KU-GB-579-BK
    5KU
    Special Price $12.59 Regular Price $13.99
    Save 10%
  20. Image
    5KU Tokyo Marui Hi Capa GBB Airsoft Ambi Thumb Safety - Type 1 (Aluminum, Black) Out of Stock 5KU-GB-580-BK
    5KU
    $12.99
  21. Image
    5KU Tokyo Marui Hi Capa GBB Airsoft Grip Safety - Type 1 (Aluminium, Red) Out of Stock 5KU-GB-579-RD
    5KU
    Special Price $12.87 Regular Price $13.99
    Save 8%
  22. Image
    5KU Tokyo Marui Hi Capa GBB Airsoft Ambi Thumb Safety - Type 1 (Aluminum, Red) Out of Stock 5KU-GB-580-RD
    5KU
    Special Price $11.69 Regular Price $12.99
    Save 10%
  23. Image
    5KU Tokyo Marui Hi Capa GBB Airsoft Ambi Thumb Safety - Type 1 (Aluminum, Blue) Out of Stock 5KU-GB-580-BU
    5KU
    Special Price $11.69 Regular Price $12.99
    Save 10%
  24. Image
    5KU TS-8RP Triangle Stock w/ Buttpad and 1913 Folding Mech for 20mm Rail - DDC Out of Stock 5KU-361-DDC
    5KU
    $59.99
  25. Image
    5KU Picatinny Mount Modular Folding Stock (Minimalist Buttplate) Out of Stock 5KU-389
    5KU
    $45.99
  26. Image
    5KU TS-8RP Triangle Rise Stock w/ Buttpad and 1913 Folding Mech for 20mm Rail - Black Out of Stock 5KU-360-BK
    5KU
    Special Price $53.99 Regular Price $59.99
    Save 10%
  27. Image
    5KU Universal Sling Swivel Mount A-1 Out of Stock 5KU-264-BK
    5KU
    Special Price $8.99 Regular Price $9.99
    Save 10%
  28. Image
    5KU One O-Clock Offset Mount for 20mm Rail Out of Stock 5KU-89
    5KU
    Special Price $8.09 Regular Price $8.99
    Save 10%
  29. Image
    5KU AK Optima / Docter / Vortex Red Dot Sight Mount Out of Stock 5KU-208
    5KU
    $13.99
  30. 5KU Picatinny Rail (Zenitco B-2M) - Tan 1
    5KU Picatinny Rail (Zenitco B-2M) - Tan Out of Stock 5KU-291-T
    5KU
    $4.99
  31. 5KU Picatinny Rail (Zenitco B-2L) - Tan 1
    5KU Picatinny Rail (Zenitco B-2L) - Tan Out of Stock 5KU-292-T
    5KU
    Special Price $6.29 Regular Price $6.99
    Save 10%
  32. Image
    5KU Picatinny Rail (Zenitco B-2) - Tan Out of Stock 5KU-293-T
    5KU
    Special Price $6.29 Regular Price $6.99
    Save 10%
  33. Image
    5KU B-33 Articulating AK Dust Cover for 5KU B-30 / B-10 Handguard - TAN Out of Stock 5KU-230-T
    5KU
    $79.99
  34. Image
    5KU ST-6 Style w/ Folding Mech M1913 20mm Rail - Black Out of Stock 5KU-341
    5KU
    Special Price $34.19 Regular Price $37.99
    Save 10%
  35. Image
    5KU 1 inch Airsoft Barrel Extension for 14mm Thread (CCW to CCW) Out of Stock 5KU-387
    5KU
    Special Price $3.59 Regular Price $3.99
    Save 10%
  36. Image
    5KU BBP-32 Blast Tracer Insert 32mm Silencer Tube Out of Stock BBP-32
    5KU
    $39.99
  37. Image
    5KU Tokyo Marui Hi Capa GBB Airsoft Grip Safety - Type 1 (Aluminium, Green) Out of Stock 5KU-GB-579-GN
    5KU
    Special Price $12.59 Regular Price $13.99
    Save 10%
  38. Image
    5KU Screw Washers for Zenitco U / L Series Handguard - Tan Out of Stock 5KU-401-T
    5KU
    Special Price $5.39 Regular Price $5.99
    Save 10%
  39. Image
    5KU RRD-2C X20 Muzzle Brake (14mm CCW) - Black Out of Stock 5KU-398
    5KU
    $9.99
  40. Image
    5KU SLR Style Compensator (14mm CCW) - Silver Out of Stock 5KU-SLR-01-SV
    5KU
    Special Price $11.69 Regular Price $12.99
    Save 10%
  41. Image
    5KU SMR MK8 Tactical Handguard for M4 AEG / GBB Airsoft (MLOK, 7 inch) - Black Out of Stock 5KU-297-BK
    5KU
    Special Price $53.99 Regular Price $59.99
    Save 10%
  42. Image
    5KU CGS SCI-SIX Style Airsoft Suppressor - Black Out of Stock 5KU-400-BK
    5KU
    $22.99
  43. Image
    5KU Pig Pen Flash Hider (14mm CCW) Out of Stock 5KU-423
    5KU
    Special Price $9.89 Regular Price $10.99
    Save 10%
  44. Image
    5KU CGS SCI-SIX Style Airsoft Suppressor - Tan Out of Stock 5KU-400-T
    5KU
    $22.99
  45. Image
    5KU 2 inch Airsoft Barrel Extension for 14mm Thread (CW to CCW) Out of Stock 5KU-379
    5KU
    Special Price $3.59 Regular Price $3.99
    Save 10%
  46. Image
    5KU HALO Minivert Grip for MLOK / KEYMOD Out of Stock 5KU-235-BK
    5KU
    $18.99
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  1. Brand
    5KU
  2. Platform
    FITS MANY PLATFORMS
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Model
  1. AK SERIES 8items
  2. AR/M4 SERIES 2items
  3. FITS MANY MODELS 29items
  4. HI-CAPA 6items
Platform
  1. AEG & GBB 49items
  2. ELECTRIC (AEG) 20items
  3. FITS MANY PLATFORMS 46items
  4. GAS 358items
  5. GAS & CO2 41items
  6. HAND STOP 1item
  7. MUZZLE DEVICE - RIFLE 18items
Replica Type
  1. FITS ALL TYPES 30items
  2. PISTOL 8items
  3. RIFLE 8items
Originating Armory
  1. CGS Group 2items
  2. ZENITCO 4items
  3. GEISSELE 1item
  4. KALASHNIKOV 10items
  5. STI 6items
Color
Material
  1. Metal 44items
  2. Plastic 1item
Stock Status
  1. In stock 53items
  2. Out of stock 46items
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