The Firing Line Forums - View Single Post - Can the 147gr 9mm be made hotter than +P+

jmorris · June 18, 2011, 08:05 AM

As above you cannot load above +P+ SAMMI specs exist for +P but +P+ simply means its over +P pressures. From 1 psi/cup over all the way to kaboom they are all still +P+.

How about just getting a 40 357sig and downloading it?

June 18, 2011, 08:05 AM	#16
jmorris Senior Member Join Date: November 22, 2006 Posts: 3,077	As above you cannot load above +P+ SAMMI specs exist for +P but +P+ simply means its over +P pressures. From 1 psi/cup over all the way to kaboom they are all still +P+. How about just getting a 40 357sig and downloading it?