.223 M855 / SS109 steel cores
.223 M855 / SS109 hardened steel cores. They weigh 10 grains each. We have seen reloading companies, using proper shot cups, load these into shot gun shells. Found these cores in the warehouse. limited quantity Around 20 years ago, Lake City sold these on scrap bid.
1 pound (approx. 700 cores) / $20.00 + Sh.