I think, IIRC, MD did melt out the core before? His earlier post on the first page of this thread indicates the jacket is around 60 percent of the weight.
Most have but for those whom have not seen the photo of one shaved down on the side, a photo is shown in MD's article below just past half way down.
https://gunsmagazine.com/hypervelocity-hunting/Some enterprising soul could maybe clip the photo to post here........if desired.
God Bless
