Beginning 29 AUG 2025, the “de minimis” exemption, which allowed shipments of goods worth $800 or less to enter the United States duty free, will be eliminated. (Detail Here)

Important Notice for Our U.S. Customers

he United States has suspended its duty-free de minimis treatment for all countries, effective August 29, 2025, meaning low-value shipments (previously under $800) will now be subject to all applicable duties and taxes.

By acknowledging this notice, you agree to accept responsibility for any customs duties, taxes, or tariffs imposed on your order. Please note that we cannot accept "non-payment of taxes" as a valid reason for order rejection.
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5KU  |  SKU: 5KU-GBTMAK001BK

5KU SPORT4 and B33 Tactical Handguard Kit for Marui AKM GBB ( GBTMAK001BK )

$150.00 USD
Color: Black

Delivery and Shipping

In Stock Item Process Within 24 Hours.


Manufacturer: 5KU Airsoft
SKU: 5KU-GBTMAK001BK

  • CNC aluminum construction
  • Lightweight design
  • Modular rail panel system compatible with B-2 rail section
  • SPORT-4 Handgaurd kit includes 5KU B-31LV / B-10L / DL-2 / B-33 / CNC outer barrel
  • Zenitco Зенит Спорт-4 handguard compplete set
  • Suitable for Tokyo Marui AKM gas blowback airsoft
  • Minor modify may required
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