FAXON FX7 MATTE DLC BARRELED ACTION - 18" .308 WIN GUNNER PROFILE

Build-Ready Precision Bolt Action

Faxon FX7 .308 Win Barreled Action

18" Gunner Profile  |  ArmorLube™ Matte DLC  |  SKU: FX700SA-308-01-7F1B810N18NGQ

The Faxon FX7 .308 Win barreled action is a complete, build-ready foundation for your next precision or hunting rifle. This package includes the FX7 short action with bolt and an 18" .308 Winchester Gunner-profile barrel — already installed, headspaced, and verified in-house at Faxon before shipment. Add your preferred Remington® 700-pattern trigger, drop it into a compatible stock or chassis, and you’re ready to shoot.

$1,124.00  |  5/8x24 Muzzle Threads  |  AICS/AW Magazine Compatible  |  Faxon Lifetime Guarantee  |  Made in Cincinnati, Ohio

What Is the Faxon FX7 .308 Win Barreled Action?

A barreled action is the core of a bolt-action rifle: the action (receiver), bolt, and barrel assembled together. The Faxon FX7 .308 Win barreled action includes the FX7 short action, the complete FX7 bolt assembly, and an 18" .308 Winchester Gunner-profile barrel — all factory-assembled and headspaced before shipment. This is not a complete rifle; you will still need a trigger, stock or chassis, and magazine to complete your build.

The FX7 action is machined from 416 stainless steel and finished with ArmorLube™ Matte DLC (Diamond-Like Carbon) — the mil-spec coating designated MIL-PRF-32711. The bolt is machined from 4340 carbon steel with the same ArmorLube™ treatment and features Faxon’s signature flame fluting, an M16-style extractor (S7 tool steel), a plunger-style ejector, and a 17-4 PH stainless steel firing pin heat-treated to H900 condition. The six-lug bolt design (two rings of three) provides a 70-degree throw for faster cycling and greater clearance under low-mounted optics.

The 18" barrel is machined from 416R stainless steel in Faxon’s Gunner contour — a proprietary profile that transitions from a heavier breech section to a lighter muzzle, balancing rigidity and handling weight. The bore is 5R button-rifled with a 1:10" twist rate (right-hand), then honed and lapped to a smooth finish. The barrel is finished with salt bath nitride for additional corrosion resistance and is magnetic particle inspected (MPI). Muzzle threads are 5/8x24 UNEF for common muzzle devices and suppressor mounts, with a recessed target crown.

Every FX7 receiver includes an integrated 20-MOA Picatinny rail and an integrated recoil lug. The FX7 barreled action is built on the Remington® 700 short-action footprint for compatibility with Rem 700 triggers (TriggerTech, Timney, Bix’n Andy), stocks and chassis (KRG, MDT, Magpul, XLR, Manners, McMillan), and AICS/AW pattern magazines.

What’s Included

Why Choose an 18" .308 Win Gunner Profile?

The Gunner profile is a Faxon-designed contour that concentrates mass near the chamber where pressures are highest, then tapers toward the muzzle for faster handling and reduced overall weight. An 18" barrel keeps the rifle compact and maneuverable — especially important when adding a suppressor or shooting from blinds and vehicles — while retaining enough length for practical .308 Winchester velocities. The .308 Win cartridge is optimized for shorter barrels compared to magnums, and 18 inches provides an excellent balance of velocity, terminal performance, and portability for hunting, practical precision competition, and suppressed builds.

FX7 Action Specifications

Barrel Specifications

Engineering Highlights

The FX7 action uses a 22-item bill of materials across the bolt assembly, receiver assembly, and barrel. Every component is inspected in-process per Faxon’s MBR (Manufacturing Build Record) protocol — from initial blank turning through bore drilling, reaming, honing, button rifling, OD profiling, chambering, threading, nitride coating, and final assembly. The barrel bore is inspected at multiple stages by air gage, profilometer, and borescope to verify bore diameter (.3015" ±.001"), rifling groove diameter (.3095" ±.001"), and surface finish (no tool marks, reamer marks, or gouges). The chamber is cut to .308 Winchester GO gage headspace (.883" +.0005/-.0010") and verified by borescope for alignment, groove condition, and crown finish before the barreled action is packaged.

During final assembly, the bolt interior is greased, firing pin travel is verified without spring, the ejector and extractor are confirmed for smooth function, the bolt handle is secured with red Loctite, and the firing pin screw is secured with blue Loctite. The action bore and bolt body are oiled, smooth operation is confirmed within the receiver, and the barrel is torqued to 65 ft-lbs with headspace verified. The completed barreled action passes a final multi-point inspection covering threads, headspace, crown, chamber, laser engraving, and overall cosmetics before packaging.

Dimensions & Weight

Remington® 700 Compatibility

Barrel Swap Capability

The FX7 platform is designed for user-serviceable barrel changes. If you want to swap to a different caliber or barrel length in the future, the FX7 accepts FX7 Prefit barrels (headspaced at the factory, thread directly onto the receiver — no gunsmith required), RemAge-style barrels, and profiled barrel blanks for custom gunsmith work. Faxon offers the FX7 Action Wrench for barrel installation and removal. Always follow proper installation procedures and verify headspace when changing barrels.

Frequently Asked Questions

Complete Your FX7 Rifle Build

Add a Rem 700 trigger, drop into your chassis or stock, and start shooting.