NBS Upper Parts (Forward Assist & Dust Cover) Kit W/ Stainless Steel Forward Assist and Hinge Pin

The NBS NBS Upper Parts (Forward Assist & Dust Cover) Kit W/ Stainless Steel Forward Assist and Hinge Pin comes with both the Dust Cover / Port Door Assembly and Forward Assist Assembly parts for AR-15 Platform Rifles. This kit is upgraded to include a CNC Machined Stainless Steel Forward Assist Cap and Stainless Steel Hinge Pin enhanced aesthetics, corrosion resistance and durability.

Precision Machined in the USA

Steel Components

Mil-Spec Tolerances

NBS Limited Lifetime Warranty