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Rock River Arms Ar-15 9mm Upper Receiver Assembly

Buy Rock River Arms Ar-15 9mm Upper Receiver Assembly

We found a great deal on the Rock River Arms Ar-15 9mm Upper Receiver Assembly for only $529.99 at Brownells.

Sub-caliber upper assemblies allow fast and simple conversion of ARs chambered in .223 to 9mm Luger. True, dedicated, complete upper receivers are assembled from military specification components; includes a Wilson, 1-10 twist barrel, bolt and carrier, charging handle, shell deflector, heat-shield lined handguards, sling swivel, and A1-style flash hider. Additional items not included but required for conversion to 9mm are a 9mm magazine (739-000-014); magazine adapter, action spring, and recoil buffer (080-000-442). A2 configuration has A2 adjustable sights regulated for 9mm. Mfg: Rock River Arms SPECS: Barrel – 4140 steel, blue, matte finish, 16″ (40.6cm) long, .725″ (18cm) O.D. Receiver – Aluminum, anodized finish, matte black. Designed to fit lower receiver with .25″ (6.3mm) diameter takedown pins.

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Categories: AR-15 Parts Tags: ,
  1. mallory b
    December 3rd, 2019 at 12:43 | #1
  2. Quamar
    December 3rd, 2019 at 12:43 | #2
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