After years of development, in late April 2018 EMPI has fabricated 2 selectable fragmentation devices for performance testing at the AWEF in Florida. Results are pending. EMPI is partnered with Gunger Engineering and Orbital ATK for this efffort. Special thanks to AFRL/RWMW for support of the development and this test series.
Images below are ultra high speed video of the natural fragmentation of the scored case.