A personal defense round called X-DEF is made to break the mold but not your bank account.

Case with moly coating on brass (improves case feeding and ejection)

Optimal penetration and weight retention were taken into consideration during the engineering process. In Clear Ballistic Gelatin, the X-DEF bullet has a piercing range of 12–18 inches.  BEST performing personal defense projectiles on the market right now, with at least 99% weight retention.

Better performance, value, and projectile all around.