SOLGW M4-89 13.7″ P&W 5.56 Upper w/ NOX | NO BCG or CH | 13″ M89 Rail | Sons Of Liberty Gun Works

MSRP: $800.00
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(5 customer reviews)

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Sons of Liberty Gun Works, M4-89 Complete Upper, 223 Remington/556NATO, 13.7″ (pinned & welded) Combat Barrel, QPQ Finish, Black, 113″ M89 M-LOK Handguard, SOLGW Nox Muzzle Device (NO BCG or CH)

  • 5.56NATO/223 Remington
  • Complete Upper Receiver (No BCG or CH)
  • 13.7″ Combat Barrel
  • Pinned & Welded NOX
  • 13″ M89 Handguard

Additional information

Weight 18 oz
Dimensions 18 × 4 × 4 in

5 reviews for SOLGW M4-89 13.7″ P&W 5.56 Upper w/ NOX | NO BCG or CH | 13″ M89 Rail | Sons Of Liberty Gun Works

  1. thad.actual (verified owner)

    As usual, SOLGW delivers a stellar product. M89 rail system is probably the most sturdy handguard lockup outside of a monolithic upper. Buy with confidence and run it hard.

  2. ericlonseth (verified owner)

    Beyond impressed with my 13.7” M4-89 upper from SOLGW through BTE. Not only with the product itself but the shipping speed and timely notifications along the way. This upper is built like a tank (watch the SOLGW video on their insane destructive testing), and the lifetime warranty even covers west parts like barrel, gas rings, as well as the BCG I ordered separately. Phenomenal service and I dare say all future orders will be SOLGW unless a miracle happens. Thank you Big Tex for your service and I will be back.


  3. gonzalessteve (verified owner)

    this is now my new favorite rifle. Did a lower build to go with his upper and it is a work horse.

  4. mateothe7th (verified owner)


  5. mastadon.gregory (verified owner)

    Just received this today. Matched with an aero m4e1 lower sporting a a5h2 buffer system. Threw on a pa 2x prism and gave it a few shots. Hornady m193 was ejecting about 3:45 to 4. Will dial in for accuracy once I get some new glass. Works just as well as my exo2 also in 13.7 configuration. Damn nice upper here

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