240 rounds!! Home defense!!  Creedmoor Ammunition: 40 cal ammo, jacketed hollow point, brass case, steel core bullet. 

For self-defense rounds, the best choice is probably a jacketed hollow point, often called JHP. The lead core of these bullets will expand upon impact, transferring energy and creating a larger damage path.

But they’re still jacketed in copper, which slows the expansion so that the energy transfer and penetration are balanced. These rounds are not likely to completely penetrate a target and keep going.