The 50 gr Speer TNT or the Hornady SPX may do that from a .22-250, for example, at higher velocities, but should not have a problem from a .223. I think the reloading info on those bullets specify that they are not intended for verlocities exceeding a certain level.


�That rifle on the wall of the labourer's cottage or working class flat is the symbol of democracy. It is our job to see that it stays there.� George Orwell