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Sons of Liberty Gun Works M4 Patrol SL 5.56 AR-15 Upper - 13.7"

AR-15 Partial Upper Receiver

In stock
Only 3 left

Sons of Liberty Gun Works M4 Patrol SL 5.56 AR-15 Upper - 13.7"


Introducing the SOLGW Patrol Upper 556 13.7", a top-of-the-line complete upper receiver designed for those who demand exceptional performance, reliability, and precision in their firearms. Sons of Liberty Gun Works is a name synonymous with quality and durability, and this Patrol Upper is no exception. Featuring Mil-Spec or better parts, this upper is ready for hard use right out of the box.

The SOLGW Patrol Upper 556 13.7" is a testament to Sons of Liberty Gun Works' commitment to quality and performance. Built with a focus on the proper gas system length and buffer system components, this upper receiver will deliver consistent, reliable performance with every shot. Enhance your shooting experience with the SOLGW Patrol Upper 556 13.7" today!


  • Caliber Compatibility: Designed for use with 5.56 NATO and .223 Remington ammunition
  • 13.7" Combat Barrel: Ensures long-lasting accuracy and durability, perfect for a combat-grade weapon
  • QPQ Finish: Provides a sleek black appearance and added corrosion resistance
  • Magpul SL Handguard: Lightweight, ergonomic, and versatile for improved handling and accessory mounting
  • NOX Muzzle Device: Pinned to the barrel for optimal performance and longevity
  • A2 Front Sight & Midwest Combat Rear Sight: Allows for quick and easy target acquisition


  • 5.56NATO/223 Remington
  • Complete Upper Receiver
  • 13.7″ Combat Barrel
  • Midlength Gas
  • Magpul SL Handguard
  • Pinned & Welded NOX Muzzle Device
  • A2 Front Sight

Please NOTE: BCG and Charging Handle is not included.

More Information
Product Type AR-15 Partial Upper Receiver
Manufacturer Sons of Liberty Gun Works
Color Black
Gas Length Mid
Barrel Length 13.7"
Caliber 5.56 NATO

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