CORA(R)BON DPXA(R) Handgun ammunition exhibits performance superior to all other defensive ammunition on the market. The reason is the homogenous solid copper projectile. "Barrier blind" is the new terminology for ammunition that outstandingly performs after penetrating a heavy barrier like auto glass or steel. DPXA(R) is the onlyammunition that maintains 100% of its weight after going through such barriers.DPXA(R) is certified lead-free, and can be used in California.