The Great Khan armorer is located in the basement of a ruined house southeast of Red Rock Canyon.
Close to the Spring Mt. Ranch State Park, there is a destroyed building, a wooden-framed house at the entrance to the canyon. Down the brownish-yellow storm door covering the stairs that goes down to the basement is the Great Khan armorer who will trade with the player if they are Accepted by the Great Khans or higher
The Great Khan armorer is one of only two vendors (the second being Quartermaster Bardon) who still use a Fallout 3-style combination of "Rare" and "Common" inventory lists. By comparison, most other vendors use some combination of lists broken down into 5 "Tiers." This difference in inventory composition makes it more likely the Great Khan armorer will carry certain uncommon stock, such as recon armor, T-45d power armor, mantis gauntlets, ballistic fists, Shishkebabs, chainsaws, super sledges, rippers, and the Fat Man.
This same difference in vendor inventory lists also means that the Great Khan armorer will sell very high amounts of most ammunition, up to several thousand rounds depending on the type. Although these are very high amounts, they will be only half of what Quartermaster Bardon will stock on average.
This expansive stock of ammunition, weapons and armor, coupled with the 1:1 trades offered with a Great Khans accepted status, allows for one of the only paths to exchange the Sierra Madregold bars for their full value.
She will not become hostile if the Courier is wearing NCR armor. The same also applies if Boone is in their company.
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