Sons of Liberty Gun Works M4-L89 Upper 16" 5.56
Complete upper receiver group featuring a 16" barrel, 15" L89 rail system, and forged construction. Fits standard AR-15 platforms. Bolt carrier group and charging handle sold separately.
Fits: AR-15
Sons of Liberty Gun Works M4-L89 Upper Receiver Group
This is a purpose-built upper receiver assembly designed for shooters who demand quality and reliability. Whether you're building a competition rifle, a home defense platform, or a general-purpose AR-15, this upper delivers the performance you need.
Key Features
- 16" Liberty Fighting Barrel in 5.56 NATO caliber
- Forged upper receiver for strength and durability
- 15" L89 Rail System with seven-sided design for ergonomic accessory mounting
- Matte black finish resists corrosion and glare
- Mil-spec compatible with standard AR-15 components
What You Get
This is an upper receiver group only. You'll need to source a bolt carrier group and charging handle separately to complete your build. The modular design allows you to customize your rifle exactly how you want it.
Built for Performance
Sons of Liberty Gun Works manufactures their components to exacting standards. The forged upper receiver provides the structural integrity needed for reliable operation across a wide range of shooting disciplines. The L89 rail system offers plenty of real estate for mounting optics, lights, and other tactical accessories.
Whether you're a seasoned builder or tackling your first AR-15 project, this upper receiver group provides a solid foundation for a dependable rifle.
Features
- 16 5.56 nato barrel"
- 15 l89 handguard"
- a2 flash hider
- 7-sided m-lok slots
- integral qd's at barrel nut on both sides
- drivelock barrel nut system
