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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Army Force

Army Force Barrel Nut Shim Set for AR / M4 Airsoft Barrel 15pcs( RAS071 )

$7.00 USD

Delivery and Shipping

In Stock Item Process Within 24 Hours.


Manufacturer: ArmyForce
SKU: AF-RAS071

  • Stainless steel construction
  • Package contains 5 pieces of thick 0.1mm / 0.3mm / 0.5mm shims
  • Eliminates gaps that may occur in between barrels and the barrel nut, upper receiver and outer barrel
  • Ensures stability of outer barrel and handguard system when installing
  • For use with Airsoft M4 / M16 AEG / PTW / GBB barrel nuts
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