DoubleTap's DT Defense is specifically designed for your compact 40's by Kel-Tec, Ruger, Kahr, DE, and Taurus. This round virtually has no muzzle flash and is an excellent defensive load with excellent penetration.
Specifications:

Caliber	40 Smith & Wesson (S&W)
Bullet Type	Jacketed Hollow Point
Bullet Weight	180 GR
Muzzle Energy	483 ft lbs
Muzzle Velocity	1100 fps
Rounds Per Box	20
Boxes Per Case	50
Application
Casing Material	Brass
Rating
Bullet Coating