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-341

5KU ST-6 with 1913 Folding Mech for M4 Retractable Stock ( 5KU-341 )

$43.00 USD

Delivery and Shipping

In Stock Item Process Within 24 Hours.


Manufacturer: 5KU
SKU: 5KU-341

  • CNC aluminum construction
  • JC style Lightweight Design
  • Anodized Matte Finish
  • Fits M4 retractable stock
  • Clamps on any 1913 Picatinny 20mm Rail ( 5KU-350 )

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