Sons of Liberty Gun Works M4 L89 L89 13.7-inch Pinned Barrel 5.56 NATO Black Rifle

Description

Product Overview

The Sons of Liberty Gun Works M4 L89 is a purpose-built semi-automatic rifle configured for demanding use. It combines forged upper and lower receivers with a button-rifled 4150CMV barrel, midlength gas system, and L89 Drivelock free-float handguard. The 13.7-inch barrel is paired with a permanently attached SureFire-compatible flash hider for a 16-inch effective barrel length. An A5 buffer system, Liberty Fighting Trigger, Liberty Charging Handle, B5 P23 grip, B5 Bravo stock, and ambidextrous selector complete the user-focused configuration. The flat-top receiver supports the addition of a preferred optic, while integral steel QD cups provide convenient sling attachment points.

Key Features

• 5.56 NATO chambering supports a widely available rifle cartridge
• 13.7-inch 4150CMV button-rifled barrel with pinned SureFire-compatible flash hider provides a 16-inch effective barrel length
• L89 Drivelock seven-sided free-float handguard helps maintain a stable accessory and aiming platform
• A5 length buffer system and midlength gas system support smooth, consistent cycling
• Liberty Fighting Trigger and Liberty Charging Handle provide purpose-built fire-control and charging components
• B5 Bravo stock, B5 P23 grip, and Winter Trigger Guard improve handling and user comfort

The M4 L89 is a complete, duty-oriented rifle ready for configuration with the optic and accessories that fit your needs.