Here are some ballistics for Federal Hydra-Shok 9mm & 38+P ammo.
Caliber Bullet weight Muzzle energy Velocity
.38+P JHP 129gr. 258 ft. lbs. 950 fps
9m/m JHP 124gr. 345 ft.lbs. 1,120 fps
The ballistics on .38+P ammo is very capable of protecting ones self. Police officers carried .38 revolvers for decades before semi autos were introduced to the LEO community. And just for comparison here are the ballistics for the Federal .380 Hydra-Shok ammo. And as we know alot of folks use .380 for self protection. So feel safe with the LCR.