Factory Ammo Pressures?

Hello Gents,

I'm wondering if there's a publication with factory ammo pressures. For example, if a .38spl is barely +P I'd choose it over a higher pressure +P choice as my revolver isn't +P rated. I also have questions about the Magtech ammo I have loaded in it - it feels no snappier than my standard pressure practice loads.

Thanks,

Josh <><