1180 fps for a 180gr .40 is smoking! Correct me if I'm wrong, but I don't think a manufacturer makes those claims. If you reload it's possible, but even then, it's a stout load! I have loaded to over 1150 fps out of my stock G23, so it's possible yes, but it's pushing it!
"There is a principle which is a bar against all information, which is a proof against all argument, and which cannot fail to keep a man in everlasting ignorance – that principle is condemnation before investigation."