Caliber Zone
.380 ACP-21,500 PSI
.380 ACP+P-N/A
9X19MM-35,000 PSI
9X19MM+P-38,500 PSI
.40 S&W-35,000 PSI
.40 S&W +P-N/A
.45 ACP-21,000 PSI
.45 ACP+P-23,000 PSI
From what I can see, the JCP 40 and JHP 45 are identical (except internal chamber and barrel dimensions). I will guess the +P rated .40 will...