Diamondback DB0200P001 : The DB9 G4 is the perfect firearm for those looking to carry a gun that can easily fit in your pocket but still maintain the stopping power of a full sized 9mm. It has 3-dot sights and all steel captured recoil system. The trigger features an improved trigger pull and shorter rest. This model has a 3.1\" barrel and a black polymer frame and black stainless steel slide.