Sadly, looking at that gun, it would not surprise me if that was the original butt plate. That gun has hardly been used, practically mint. Why wouldn't it or couldn't it be the original butt plate? What explanation could there be for a like new gun having a non original butt plate? Because it doesn't fit worth a damn? They screwed that barrel on that frame at the factory, which makes me believe they very well could have screwed that butt plate on as well because they just didn't give a damn.
Can't look at anything 99 Savage made before WW ll or even 1960 and look at that gun and "get over it"
Sorry...