Originally Posted by TRexF16
Well that's a good point. The bullet came completely apart into the shards of the jacket and few pieces of lead remaining. The responses to my post inspired me to stop trusting my memory and go back to my bullet collection and reference the actual notes. I was wrong about no ribs - see the notes in the pic. The frag of the core did make a few pinhole exits through the offside hide. I just weighed all these chunks together and they weighed 56 grains total.
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But I was still unhappy with the fragmentation. This was 1992 remember. Most of the good reports I have read here were from the late 90s and beyond. I don't know when or ever the bullet may have been toughened up.
It'll be about 10 days until I get the chance to section the old and new .284 140BTs but I will try to remember to do so when I am able.

Cheers,
Rex

At which point in the "bang-flop" did you determine that the bullet failed?

I belong on eroding granite, among the pines.