Hornady HAP .40 Caliber / 10mm (.400 Diameter) 180gr Jacketed Hollow Point 500/Box $145.95 $95.98 Hornady HAP .40 Caliber / 10mm (.400 Diameter) 180gr Jacketed Hollow Point 500/Box are modeled after the legendary Hornady XTP (eXtreme Terminal Performance) bullet design. HAP (Hornady Action Pistol) bullets are further refined into the... Compare Choose Options