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Sons of Liberty Gun Works L89 V2 5.56 NATO 13.7in Upper Receiver w/ NOX Flash Hider M4L89UPPER-13.7-556

SKU: FLX-SOLGWM4L89UPP-137-556

Regular price $1,000.98
Sale price $1,000.98 Regular price $1,000.00
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Product Description

The Sons of Liberty Gun Works (SOLGW) L89 V2 upper receiver group is built around a SOLGW forged upper and an L89 handguard featuring a 7-sided M-LOK interface for flexible accessory mounting. It uses a V2 button-rifled 4150 CMV barrel paired with a V2 4140 low-profile gas block for dependable performance. This configuration includes a NOX muzzle device and is finished in black. Bolt carrier group (BCG) and charging handle are not included.

Product Highlights

  • SOLGW forged upper receiver matched with an L89 rail for a rigid, hard-use upper receiver group
  • L89 7-sided M-LOK handguard provides versatile mounting positions while maintaining a streamlined profile
  • V2 button-rifled 4150 CMV barrel designed for durability and consistent accuracy
  • V2 4140 low-profile gas block supports reliable cycling while fitting cleanly under the handguard
  • Integral QD cups and a steel barrel nut for practical sling setup and secure assembly

Specs

  • Brand: Sons of Liberty Gun Works
  • Model/Series: L89 V2 Upper Receiver Group
  • Caliber: 5.56 NATO
  • Barrel Length: 13.7 in
  • Barrel Type: Button-rifled
  • Barrel Material: 4150 CMV
  • Upper Receiver: SOLGW forged
  • Handguard: L89 rail with 7-sided M-LOK
  • QD Mounting: Integral QD cups
  • Gas Block: V2 4140 low profile
  • Barrel Nut: Steel
  • Muzzle Device: NOX flash hider
  • Color/Finish: Black
  • Included: Upper receiver group
  • Not Included: Bolt carrier group (BCG), charging handle
  • Manufacturer Part Number: M4L89UPPER-13.7-556
  • UPC: 669185245837

Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product’s manufacturer.

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