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.
We appreciate your understanding and continued support. Customer have any questions, Please do not hesitate to contact us.

1 2
5KU  |  SKU: 5KU-GB-435

5KU Steel Spring Guide Pro for Marui G17 / G18C GBB ( 5KU-GB-435 )

$11.00 USD

Delivery and Shipping

In Stock Item Process Within 24 Hours.


Manufacturer: 5KU
SKU: 5KU-GB-435

  • Machined Steel / Teflon Construction
  • Compatible with Marui G17 / G18C GBB Airsoft

    • Features :
    The main shaft is precision machined steel with a Teflon surface for a combination of high strength as well as trouble free operation. The tensile strength of the springs and the materials all help to absorb momentum to ensure as smooth an impact as possible to increase reliability and consistency of the recoiling mechanism.
    new design of the shock buffer allows the selection for three levels of recoil stroke length by removing / adding buffers to tweak the firing cycle length / timing to your liking.

    166
    Verified Reviews