Faxon Duty Series Gunner 5.56 NATO 16" Complete Upper Receiver

The Faxon Duty Series Gunner Barreled Upper is built for shooters who need dependable, duty-grade performance with excellent balance and handling. Centered around Faxon's proven Duty Series Gunner Barrel, this upper is ideal for training, patrol, and defensive applications where reliability matters most. The Gunner profile is designed to reduce unnecessary weight while maintaining rigidity where it counts. Combined with the fixed gas block, this setup provides consistent function across a wide range of 5.56 NATO and .223 Remington loads- without the added tuning features of suppressor-ready configurations. FeaturesFaxon Low-Profile Fixed Gas BlockStainless Steel Gas Tube - smoother recoil impulseFaxon Streamline Aluminum M-LOK Handguard - lightweight, slim, free-floatedFaxon Enhanced Forged Upper Receiver - duty-grade construction