Sons of Liberty Gun Works M4-L89 AR-15 rifle chambered in 5.56 NATO with 14.5-inch pinned and welded barrel, L89 M-LOK handguard, and B5 furniture, in store image

Sons of Liberty Gun Works M4-L89 5.56 NATO AR-15 Rifle 14.5" P/W HUXWRX 16" OAL Black

Sons of Liberty Gun Works
SKU:
101-32545
$1,999.99
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Description

Sons of Liberty Gun Works M4-L89 5.56 NATO AR-15 Rifle

The Sons of Liberty Gun Works M4-L89 represents the company’s uncompromising approach to building professional-grade AR-15 rifles. Designed for serious end users, this platform is built around precision-forged receivers and a duty-focused configuration optimized for reliability and long-term performance.

Chambered in 5.56 NATO, the M4-L89 features a 14.5-inch SOLGW Liberty Fighting Barrel with a pinned and welded HUXWRX flash hider, resulting in a 16-inch overall length. This setup delivers the handling benefits of a shorter barrel while maintaining legal rifle classification.

At the core of the rifle is the L89 Drivelock handguard system, featuring 7-sided M-LOK slots and integrated steel QD sling cups for maximum modularity and strength. Paired with an enhanced A5-length buffer system and premium fire control components, this rifle is tuned for smooth recoil management and consistent performance under stress.

Key Features

  • 14.5" barrel with pinned & welded HUXWRX flash hider (16" OAL)
  • 5.56 NATO chambering
  • SOLGW forged upper and lower receiver set
  • L89 Drivelock 13.75" free-float handguard
  • Enhanced A5 receiver extension buffer system
  • Liberty 2-stage trigger
  • Liberty charging handle
  • Ambidextrous safety selector
  • B5 Bravo stock and B5 pistol grip
  • Individually built and test-fired by SOLGW

Specifications

Brand Sons of Liberty Gun Works
Model M4-L89
Action Semi-Automatic
Type AR-15 Rifle
Caliber 5.56 NATO
Barrel Length 14.5" (Pinned & Welded, 16" OAL)
Handguard 13.75" SOLGW L89 Drivelock M-LOK
Receiver Set SOLGW Forged 7075-T6 Aluminum
Finish Black Anodized
Stock B5 Bravo
Grip B5 Pistol Grip
Trigger Liberty 2-Stage Trigger
Buffer System A5 Receiver Extension (9-Position)
Charging Handle Liberty Charging Handle
Safety Ambidextrous Selector
Muzzle Device HUXWRX Flash Hider (Pinned & Welded)
Capacity 30 Rounds
Magazine Included 1 Magazine
UPC 657628672395
Manufacturer Part Number M4-L89-556-145-HUX-RIFLE-A-BLK