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FAXON FX7 PREFIT MEDIUM SPORTER PROFILE 12" 1:6T 8.6 BLK SAAMI BOLT ACTION BARREL
Faxon
$316.00
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Faxon
FAXON FX7 PREFIT MEDIUM SPORTER PROFILE 12" 1:6T 8.6 BLK SAAMI BOLT ACTION BARREL
Faxon FX7 Prefit Medium Sporter 12" 8.6 Blackout (1:6 Twist)
416-R stainless steel • 5R button rifled, honed & lapped • Salt bath nitride (QPQ) inside & out • FX7 Prefit interface • MPI inspected • Recessed 11° target crown • Medium Sporter profile • M18x1.5 muzzle
The Faxon FX7 Prefit 12" 8.6 Blackout (8.6 BLK) bolt-action barrel delivers match-grade precision in an ultra-compact, lightweight package, ideal for suppressed subsonic hunting and maneuverable FX7 bolt-action builds. Featuring a balanced 1:6 twist and Medium Sporter profile, this prefit barrel is engineered for the Faxon FX7 action—now with a SAAMI-certified chamber for standardized safety, ammo compatibility, and reliable performance across loads.
FX7 Prefit barrels are precision-machined from premium 416-R stainless steel for superior accuracy, machinability, and corrosion resistance. The bore uses 5R button rifling (honed & lapped for smooth finish) to minimize jacket deformation and enhance velocity consistency, finished with salt bath nitride (QPQ) inside and out for reduced fouling and extended life. Every barrel is MPI inspected for top-tier quality assurance.
Proudly American Made by a family-owned manufacturer in Greater Cincinnati, Ohio. Learn more about the 8.6 BLK cartridge: click here.
Why This FX7 Prefit Barrel Excels
- 416-R stainless steel: Premium material for exceptional accuracy, corrosion resistance, and consistency—perfect for precision hunting and suppressed use.
- 5R rifling honed & lapped: Reduces bullet deformation for tighter groups, better consistency, and broad compatibility with subsonic/heavy projectiles.
- QPQ nitride inside & out: Enhances corrosion resistance, minimizes fouling, and extends service life in demanding field conditions.
- Ultra-compact lightweight design: 12" Medium Sporter profile provides excellent maneuverability, balance, and suppressed performance in a sub-2 lb package.
- FX7 Prefit compatibility: Engineered for clean pairing with the Faxon FX7 action and similar prefit interfaces; ensures precise fitment and repeatable performance (verify headspace).
Ideal Use Cases
- Ultra-lightweight suppressed subsonic hunting: 12" length maximizes compactness and quiet performance with suppressors while maintaining practical subsonic velocity.
- Compact precision FX7 bolt-action 8.6 BLK builds: SAAMI chamber and 1:6 twist deliver match-level accuracy and versatility with heavy subsonic projectiles.
- Versatile projectile loads: 1:6 twist stabilizes heavy subsonics to lighter supers for consistent energy and accuracy in hunting scenarios.
- Field use & hard hunting: Stainless construction + nitride finish handles varied weather, terrain, and extended sessions reliably.
Specifications
Build note: Always verify headspace with proper gauges and confirm muzzle-device alignment before use. Function and performance vary by ammunition and suppressor setup. Prefit barrels require competent installation and gauging.
Consumer Note:
8.6 BLK is now SAAMI certified, standardizing chamber and cartridge dimensions (including headspace) for enhanced safety, consistency, and ammunition interchangeability across manufacturers.
The primary changes with SAAMI certification include formalized headspace dimensions and support for more moderate twist rates (compared to the original aggressive 1:3 design), promoting greater versatility with a wide range of projectiles—making this FX7 Prefit 1:6 twist barrel an excellent fit for balanced precision in subsonic hunting applications.
PLEASE NOTE:
Always use SAAMI-spec compliant 8.6 BLK ammunition for best performance and safety. If you have questions, contact customerservice@faxonfirearms.com.
Frequently Asked Questions
Will this 12" 8.6 BLK barrel fit my FX7 action?
Yes—this is an FX7 Prefit barrel designed specifically for the Faxon FX7 action and similar receivers using the same prefit interface. Verify compatibility and properly headspace upon installation (recommend qualified gunsmith).
Why 416-R stainless and 5R rifling in this 8.6 BLK hunting barrel?
416-R stainless provides match-grade accuracy and corrosion resistance, while 5R rifling (honed & lapped) improves consistency and projectile performance—especially with heavy/subsonic loads ideal for hunting.
Is this barrel suppressor-ready?
Yes—the M18x1.5 muzzle supports direct-thread suppressors. Confirm device compatibility and alignment before use.
What benefits does QPQ nitride provide?
Salt bath nitride (QPQ) increases corrosion resistance, reduces fouling buildup, and improves wear life—ideal for field and hunting use in varied conditions.
What does SAAMI certification change for 8.6 BLK?
SAAMI certification standardizes chamber specs (including headspace) and supports moderate twist rates for broader compatibility, improving safety and ammo interchangeability industry-wide.
Warranty: Backed by the Faxon Lifetime Guarantee. Full details: https://faxonfirearms.com/warranty-privacy-terms/
Warranty: Backed by the Faxon Lifetime Guarantee. Full details available at https://faxonfirearms.com/warranty-privacy-terms/
- Caliber:
- 8.6 BLK SAAMI
- Barrel Profile:
- Medium Sporter
- Barrel Material:
- 416-R Stainless
- Outside Finish:
- Salt Bath Nitride
- Rifling Twist Rate:
- 1:6
- Barrel Weight:
- 2.07 lbs
- Muzzle Thread:
- M18x1.5
- Barrel Length:
- 12"
