Faxon Firearms AR-15 Complete Upper Receiver Assembly 12.5" 338 ARC W/ 3 Port Muzzle Brake

Faxon Firearms .338 ARC Upper Receiver AssemblyFaxon Firearms complete AR-15 upper receiver groups provide a performance-driven foundation for a high-quality build, assembled with care using in-house components. The forged 7075-T6 aluminum upper is fully trued at the factory to ensure precise barrel and barrel nut alignment, with the interior bore honed to promote smooth, consistent bolt carrier group travel.Enhanced lug tolerances create a secure, reliable fit between the upper and lower, while the hollowed shell deflector trims unnecessary weight without sacrificing durability. Manually engraved T-marks maintain long-term visibility, resisting wear far better than coated markings.Each upper features a Type III hard coat anodized finish for corrosion and abrasion resistance, along with a 1:8 twist rate and 338 ARC feed ramps for dependable performance across a wide range of applications.