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SOLGW Liberty Fighting Barrel 11.5″ 5.56 Chrome Lined AR-15

UPC: 657628673316

$249.00

55 in stock

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Description

Sons of Liberty Gun Works built the Liberty Fighting Barrel as the replacement for their well-liked Combat series, and it shows in the details. This 11.5" version is cut from 41V50 chrome-moly steel with a chrome-lined bore and chamber, a phosphate exterior, and a DLC-coated barrel extension. It runs a carbine-length gas system, a .223 Wylde chamber, and a 1:7 twist, so it eats everything from lightweight 55-grain plinking loads to heavier 75 and 77-grain defensive ammo without complaint. If you're putting together a short, handy carbine or SBR, this is the kind of barrel that gets a build across the finish line.

What Makes the Liberty Fighting Barrel Tick

The 5R rifling is the quiet workhorse here. The gentler land geometry tends to reduce fouling and jacket deformation compared to traditional cut rifling, which usually translates to easier cleaning and consistent groups over a long round count. Pair that with the chrome-lined bore and chamber, and you've got a barrel engineered for high round counts and a long service life. The .223 Wylde chamber splits the difference between a tight match chamber and a loose 5.56 NATO chamber, giving you better accuracy potential while still safely running full-power 5.56.

Building With the 11.5" LFB

This barrel comes dimpled from the factory for a secure low-profile gas block install, which saves you the hassle of drilling your own divot. It's gassed to run both suppressed and unsuppressed, and the 1/2×28 muzzle threads take just about any common flash hider, muzzle brake, or direct-thread can you want to hang on it. Keep in mind it's set up for a low-profile gas block and is not meant for a front sight base. Feedback from folks running it suppressed with a standard carbine buffer and spring points to sensible port sizing that isn't overly aggressive on the recoil impulse.

SOLGW has earned a strong reputation with law enforcement agencies and serious end users, and the Liberty Fighting Barrel carries that same duty-ready mindset. For an 11.5" fighting carbine, this one checks the boxes that matter: reliability, predictable accuracy, and long life.

Key Specifications

  • Manufacturer: Sons of Liberty Gun Works (SOLGW)
  • Model: Liberty Fighting Barrel (LFB)
  • Manufacturer Part Number: 115-LFB-556CL
  • UPC: 657628673316
  • Barrel Length: 11.5"
  • Caliber: .223 Rem / 5.56 NATO
  • Chamber: .223 Wylde
  • Twist Rate: 1:7
  • Rifling: 5R
  • Barrel Steel: 41V50 Chrome-Moly
  • Bore & Chamber: Chrome Lined
  • Exterior Finish: Phosphate
  • Barrel Extension: DLC Coated
  • Gas System: Carbine Length
  • Muzzle Threads: 1/2×28
  • Gas Block Fitment: Dimpled for low-profile gas block

What’s Included

  • SOLGW Liberty Fighting 11.5" 5.56 chrome-lined barrel

Frequently Asked Questions

Is the Liberty Fighting Barrel dimpled for a gas block?

Yes, the 11.5" LFB comes dimpled from the factory for a secure low-profile gas block install. It uses a carbine-length gas system. Note that it's set up for a low-profile gas block and is not intended for use with a front sight base.

What ammo works best in the .223 Wylde chamber?

The .223 Wylde chamber safely runs both .223 Remington and full-power 5.56 NATO loads. The 1:7 twist stabilizes heavier bullets well, so it handles everything from 55-grain plinking rounds up through 75 and 77-grain match and defensive loads. That versatility is a big part of why the Wylde chamber is so popular for do-it-all carbine builds.

Can I run a suppressor on the SOLGW Liberty Fighting Barrel?

Yes, this barrel is gassed for use both suppressed and unsuppressed. The 1/2×28 muzzle threads accept common muzzle devices as well as direct-thread suppressors. Users running it suppressed report reasonable port sizing that doesn't beat up the gun with excessive back pressure.

How does the Liberty Fighting Barrel compare to the older SOLGW Combat barrel?

The Liberty Fighting Barrel is the direct replacement for SOLGW's Combat family of barrels. It was developed from years of end-user feedback and real-world field data with an emphasis on reliability, predictable accuracy, long service life, and broad suppressor and muzzle device compatibility. If you liked the Combat series, this is the refined next step.

Additional information

UPC

657628673316

Manufacturer

Manufacturer Part Number

115-LFB-556CL

Barrel Length

11.5"

Caliber/Gauge

.223 REM/5.56 NATO

Color

Black

Model

Product Type

Barrel

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