The 150s were pretty destructive. The 180s are good to go. I did some penetration test and the interlock was the closest cup and core to the Nosler partition, this was before the Ballistic tips were beefed up so might be different now. Since the core lock got put on a budget I think the interlock is one of the best C&C bullets around especially for the price.

"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli