Sons of Liberty Gun Works

Sons of Liberty Gun Works 10.5" M4-89 Upper

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  •  Sons of Liberty Gun Works 10.5" M4-89 Upper
  •  Sons of Liberty Gun Works 10.5" M4-89 Upper
MSRP: $900.00
— You save $0.05


Sons of Liberty Gun Works 10.5" M4-89 Upper

The Sons of Liberty Gun Works 10.5" M4-89 Upper is a top-of-the-line addition to any firearm collection. With precision engineering and exceptional attention to detail, this complete AR 15 upper receiver delivers unmatched performance and reliability in any situation. Featuring a 10.5" combat barrel and a 9.5" M76 handguard, this upper receiver is built to handle the rigors of combat easily. The barrel provides superior accuracy and durability, while the handguard offers a comfortable grip and enhances overall control. Additionally, the A2 flash hider helps to minimize muzzle flash, making it an excellent choice for low-light shooting situations. Chambered in 5.56NATO/223 Remington, this AR 15 upper receiver is the perfect choice for anyone seeking exceptional performance and reliability from their firearm.


  • 5.56NATO/223 Remington
  • 7075 Upper Receiver
  • 10.5" Combat Barrel
  • 9.5" M76 Handguard
  • A2 Flash Hider
  • Does not include a BCG or Charging Handle


WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

All NFA/ATF Rules Apply
You may use this AR 15 barrel with a lower receiver that is a Registered SBR, Machine Gun, or Pistol. Possession of this barrel along with a Non-NFA lower receiver is Prohibited, except when installed on a Pistol configuration firearm. Check your local laws and jurisdictions.

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