DPM Recoil Reduction System for FN Herstal FNX-45 ACP 4.5″ / Tactical 5.3″ Barrel
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UPC: 5213007222824

DPM Recoil Reduction System for FN Herstal FNX-45 ACP 4.5″ / Tactical 5.3″ Barrel

Your FNX-45 deserves a barrel built to FN’s exacting standards. These factory-spec 4.5″ and 5.3″ tactical barrels are precision-engineered from cold hammer-forged steel to deliver unmatched accuracy, strength, and reliability. Whether you’re replacing a worn barrel or upgrading to a suppressor-ready tactical setup, this OEM-compatible solution ensures your pistol performs at its best—round after round.

Pound Ratings

Slide on the battery

• Short Spring: 9lbs
• Medium Spring: 10lbs
• Long Spring: 11lbs

 Slide full open position

Total power: 27lbs (approx.)  

Key Features

• Factory-Spec Fit: Compatible with FNX-45 ACP full-size pistols.

• Two Options Available: Standard 4.5″ barrel or 5.3″ tactical threaded barrel for suppressors and comps.

• Cold Hammer-Forged Steel: Built for durability, precision, and extended life.

• Threaded Tactical Barrel: Comes ready for suppressor or compensator use with thread protector included.

• Drop-In Replacement: No gunsmithing required; installs with your existing slide and recoil system.

• OEM-Level Quality: Matches original FN performance and reliability.

Why Upgrade to a Tactical 5.3″ Barrel?

The extended tactical barrel gives you more versatility. With factory threading, you can easily attach suppressors or muzzle devices, while maintaining the legendary accuracy and dependability of FN engineering. The longer profile also reduces recoil impulse and offers better sight alignment for precision shooting.

Performance You Can Trust

Cold hammer forging makes these barrels extremely durable, resistant to wear, and capable of delivering consistent accuracy through thousands of rounds. Whether you use your FNX-45 for duty, defense, or competition, these barrels give you confidence in every shot.

Installation Notes

• Compatible with FNX-45 ACP pistols.

• Choose between standard 4.5″ or threaded 5.3″ tactical version.

• Drop-in installation—no permanent modifications required.

• Always function check and re-zero your pistol after installation.

FAQ

Will this barrel fit all FNX-45 pistols?
Yes. Both the 4.5″ and 5.3″ barrels are designed for FNX-45 full-size models.

Is the 5.3″ barrel threaded for suppressors?
Yes. The tactical version comes with factory threading and includes a thread protector.

What material are these barrels made from?
They are cold hammer-forged steel, ensuring strength, accuracy, and long service life.

Do I need a gunsmith to install it?
No. Both versions are drop-in replacements that require no modifications.

How does the 5.3″ tactical barrel improve performance?
It allows for suppressor or compensator use, provides a longer sight radius, and can reduce felt recoil compared to the 4.5″ version.

Will using this barrel affect accuracy?
Yes, in a positive way. FN cold hammer-forged barrels are known for exceptional precision and consistency.

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