I just bought four magazines that I was told were METALFORM. In fact, they appear identical in every way to the two metalform mags that came with my Ed Brown.
The baseplate has a circular horse logo...almost like a legless horse kissing his own tail. My true metalforms have a M logo. According to Metalform, the horse logo mags ARE NOT THEIRS.
I cannot post a pic right now (which of course would be oh so helpful) but maybe someone out there has an idea what mags these might be? It isn't the colt pony (that I recognize).
They are stainless steel, fully welded and the base plates are welded. The appear EXACTLY like metalform mags, with round followers. Two of the followers are teflon coated and appear blue.