Here is a reciever pic of early Palmetto Armory SGW Oly, USA BH15A1. It’s from factory with surplus m16 a1 upper and furniture. How rare are these and are they one of the earliest non Colt ARs avaliable to the market?
From a quick search on the internet, these appear to be very rare. I could be wrong, but I only found one image for it when I searched on Google. I would not be surprised if it were manufactured by Olympic Arms under a different name.