Is it some sort of Sierra bullet in Blue Box or what?
I believe it's a Speer bullet, but I'm not positive. I do know it does not match Sierra's offerings. I have 2-3k of the 130gn bullets as components and several hundred+ of the primed brass from the blue box loads. Here's a cross section of one of the 130s:
The jacket has fairly decent thickness and is uniform from base to tip at .025in. I hit the edges a bit while grinding that one so it looks thinner in areas, but it's .025 all the way up.
These bullets are short for a 130, so work quite well in the 6.8SPC as well and offer MVs greater than other 130s(or 120s) due to the increased usable case capacity when seated at mag length.