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Sons of Liberty Gun Works M89 Precision Upper 18″ .223 wylde


  • .223 Wylde 18″ SPR Precision Barrel  (New from SOLGW)
  • 5/8×24 Threads
  • 16.75 M89 Handguard (new from SOLGW)
  • SOLGW Stripes Upper Receiver
  • SOLGW Stripes Forward Assist
  • SOLGW .750 Gas Block
  • SOLGW Nox Keymo Flash Hider (compatible with Dead Air Sandman Series and Nomad)
  • NO BCG or Charging Handle included.

The SOLGW PRECISION barrels are unquestionably the most accurate barrels we’ve ever offered.  Optimized for accuracy, the SPR contour and 5/8×24 threads at the muzzle are by no means lightweight, but they are routinely shooting 1/2MOA groups with multiple types of ammo.

The PRECISION series is 416R stainless steel, black oxide coated, and cut with .223Wylde chambers.  These barrels are also polygonal rifled with a 3 groove, 1:7 twist bore.

Please note that these barrels will have a shorter lifespan than our 4150CMV barrels, however our warranty still applies.  If you can manage to shoot one out, we’ll still replace it for you free of charge.

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