2 options


Click to see full view
Sons of Liberty Gun Works
Overview
The Sons of Liberty Gun Works L89 Complete Upper Half features a 13.9-inch cold hammer forged barrel chambered in 5.56 NATO, providing excellent accuracy and durability for your AR-15 build. This complete upper includes a forged receiver for added strength and reliability, making it suitable for a variety of shooting applications. Typically, this upper is favored in builds that prioritize compactness and versatility, often seen in tactical or home defense configurations.
Sons of Liberty Gun Works L89 Complete Upper Half 13.9in 5.56 Cold Hammer Forged Barrel Broadsword upper 13.75in L89 Rail P/W HUX XL No BCG or CH
2 options
No Available merchants at this time.
Builders on GunPartPicker first added the Sons of Liberty Gun Works L89 Complete Upper Half 13.9in 5.56 Cold Hammer Forged Barrel Broadsword upper 13.75in L89 Rail P/W HUX XL No BCG or CH to a build in May 2026.
Updated · from real builds on GunPartPicker
We ranked every upper receiver by how often it shows up in real builds on GunPartPicker.
Read the guide: Most Popular AR-15 Upper Receivers →Check it against the live catalog:
Popular alongside upper receivers on GunPartPicker

Aero Precision M4E1 Complete Lower Receiver W/MOE SL Grip & SL-S Carbine Stock

Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers

Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger

Bravo Company M16 Bolt Carrier Group Black

Magpul AFG-2 Angled Fore Grip - Black

Magpul AR-15 MOE Stock Collapsible Mil-Spec Black
No reviews yet. Be the first to review this product!