Sons of Liberty - L89 V2 12.5in Complete Upper 5.56 NATO (Black)

Sons of Liberty Gun Works L89 V2 12.5" Complete Upper Receiver delivers proven reliability, precision, and battle-ready performance in a compact 5.56 NATO platform. Built around a button-rifled 12.5-inch barrel and featuring premium components like a low-profile gas block and A2 flash hider, this upper provides exceptional accuracy and durability for defensive, duty, or tactical use.

Key Specifications

• Model: L89 V2 (M4L89UPPER-12.5-556)
• Caliber: 5.56 NATO
• Barrel Length: 12.5 inches — ideal balance of compact handling and ballistic performance
• Barrel Type: Button-rifled for consistent accuracy and longevity
• Muzzle Device: A2 flash hider for flash suppression and muzzle control
• Gas System: Carbine-length with low-profile gas block for reliable cycling under stress
• Color: Black
• Category: Complete Upper Receiver
• UPC: 644625149524

Performance and Build Highlights

• Factory-assembled by Sons of Liberty Gun Works, known for exceptional fit, function, and quality control.
• 12.5-inch barrel offers optimal maneuverability without compromising ballistic performance for mid-range engagements.
• Button-rifled bore ensures consistent accuracy and repeatable precision over extended use.
• A2 flash hider reduces visible signature and muzzle flash during rapid fire or low-light operations.
• Low-profile gas block design maintains a clean, compact appearance compatible with free-float handguards.
• Durable black finish protects against corrosion and wear from harsh conditions.

Ideal Applications

• Law enforcement and tactical training
• Personal defense and SBR builds
• Field or range use requiring compact precision
• AR-15 builders seeking a battle-proven 5.56 upper assembly

Safety & Compliance

• Prop 65 Warning: This product can expose you to chemicals including lead, known to the State of California to cause cancer and birth defects or other reproductive harm. For more info, visit www.P65Warnings.ca.gov.
• All NFA and local firearm regulations apply. Verify compatibility and compliance before installation.

The SOLGW L89 V2 Complete Upper combines proven design, superior materials, and American craftsmanship—offering the reliability and performance demanded by professionals and serious shooters alike.