Why not just look for a 5.45x39 upper for the AR you already have?
“Why not just look for a 5.45x39 upper for the AR you already have?”
Because I don’t want to shoot crappy Russian corrosive ammo out of a Sig or a Windham CDI?
The upper is also about 3/4 the price of a new dedicated rifle.
http://www.model1sales.com/index.cfm?fuseaction=category.display&category_id=309