If possible go with the +P that should get at least 1140fps.
Most 9mm test show the 124gr needs around 1120 to work correctly out of short barrels.
I have a C9 with a 3." barrel and got the Short Barrel#23611 ammo.
If you have a 4" barrel, get what ever is the cheapest.
Last edited by Nevada Ed; 01-03-2017 at 11:16 PM.