FAXON FX308139 Sentinel | .308 Win | 13.90″ 20+1

The Faxon Firearms Sentinel FX308139 is an AR-style centerfire rifle chambered in .308 / 7.62 NATO with a 13.90-inch barrel and a 20+1 capacity. It ships with an anodized black finish and a platform designed for common AR-style controls and accessories. For an optic, consider the Vortex Strike Eagle 1-6×24 as a versatile option under $1000 that supports both faster target transitions and moderate-range precision on this platform.

Product Specifications

• The manufacturer is FAXON FIREARMS.
• The model is Sentinel.
• The manufacturer’s part number is FX308139.
• The caliber is .308 / 7.62 NATO.
• The capacity is 20 + 1.
• The barrel length is 13.90 inches.
• The finish is Anodized Black.
• The category is AR Rifles.
• The UPC is 816341028784.

This Sentinel is suited to shooters who want an AR-platform rifle in a centerfire chambering that accepts common AR upgrades and optics. Its configuration makes it practical for range-focused shooting and precision-oriented applications where a compact, modular platform is desired. Built with parts and specifications aligned to industry standards, it provides a clear baseline for customization and accessory selection.