FAXON FX7 PREFIT M24 PROFILE 22" .308 WIN BOLT ACTION BARREL
Faxon
Faxon FX7 Prefit Barrel — 22" .308 Win M24 Profile (1:10 Twist)
416-R stainless • 5R button rifled • Honed & lapped • Salt bath nitride (QPQ) • 5/8x24 • Recessed target crown • MPI inspected
The Faxon FX7 Prefit 22" .308 Winchester M24 barrel is built for shooters who want classic .308 versatility with a stability-forward contour for consistent accuracy. Designed as a prefit barrel engineered for the Faxon FX7 action, the M24 profile delivers excellent stiffness and thermal consistency for precision-focused bolt builds.
Machined from 416-R stainless steel, each barrel features 5R button rifling and is honed & lapped for a smooth, consistent bore. A salt bath nitride (QPQ) finish improves corrosion resistance and helps reduce fouling. Every barrel is Magnetic Particle Inspected (MPI) and finished with a recessed target crown to protect accuracy at the muzzle. Proudly American-made by a family-owned company in Greater Cincinnati, Ohio.
Ideal Use Cases
This 22" .308 Win M24 FX7 prefit is optimized for shooters who want consistent point-of-impact and stability for precision work while keeping the timeless flexibility of .308 Winchester.
- Precision range work: M24 contour supports repeatability through heat and longer strings of fire.
- General-purpose long-range: 1:10 twist is a proven standard for common .308 hunting and match bullet weights.
- Suppressed precision setups: 5/8x24 muzzle threads fit common .30-cal suppressor mounts (confirm mount and shoulder requirements).
- Durable, lower-maintenance use: QPQ nitride helps resist corrosion and makes cleaning easier.
- FX7 bolt builds: Designed to pair cleanly with the Faxon FX7 action and similar receivers using the same prefit interface (verify fit and headspace).
Key Benefits
- FX7 Prefit interface: Built to pair cleanly with the Faxon FX7 action.
- .308 Win, 1:10 twist: Proven twist rate for common .308 bullet weights and classic performance.
- M24 contour: High-stiffness profile for consistent precision and heat management.
- 5R button rifled, honed & lapped: Smooth bore finish for consistency and easier cleaning.
- Nitride QPQ finish: Corrosion resistance and reduced fouling for long service life.
- Suppressor-ready muzzle: 5/8x24 muzzle threads for common devices and mounts.
- Made in the USA: Family-owned manufacturer in Greater Cincinnati, Ohio.
Specs Snapshot
22" .308 Winchester • 1:10 twist • M24 profile • 416-R stainless • 5R honed & lapped • QPQ nitride • 5/8x24 • MPI inspected
Specifications
Install note: Verify headspace and final fitment with your action/bolt. Prefit barrels are intended for competent installation and proper gauging.
FX7 Prefit Tenon Reference
Reference drawing shown for the FX7 Prefit interface.

Frequently Asked Questions
What actions is this barrel compatible with?
Is this a “drop-in” barrel?
What does 1:10 twist mean for .308 Win?
What muzzle devices fit this barrel?
What does 5R rifling do?
Warranty: Backed by the Faxon Lifetime Guarantee. Full details: https://faxonfirearms.com/warranty-privacy-terms/
- Caliber:
- .308 WIN
- Barrel Profile:
- M24
- Barrel Material:
- 416-R Stainless
- Outside Finish:
- Salt Bath Nitride
- Barrel Twist:
- 1:10
- Barrel Weight:
- 5.15 lbs
- Muzzle Thread:
- 5/8x24
- Barrel Length:
- 22"