This upper was used in a classroom setting (1 armorers course, a table top review, and a few no fire walk throughs in a shoot house before original owner got simunition kits for their lowers), 0 rounds ever through it. Auto BCG, carrier is a contract (1b1b6 stamped on it, registered to Tool Craft of North Carolina), Bolt is FN. Charging handle. Colt 10.3" Upper. Knights RAS Rails (no rail covers). Minor finish wear, mostly on the rails, and semi circle on the front sight base where looks like an armor hammer tapped it…, but again, unfired, internals look clean as a whistle. Barrel has date stamp behind the gas block. m4 on the upper reciever facing the muzzle, 4 Marked on the chamber face. … ALL NFA RULES APPLY - Legal only on Machine gun, SBR, or Pistol lower only.
More pics on request - color discoloration on upper receiver is just oil, wipes right off.
$800 SHIPPED
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