DD DAGGER DEFENSE Dagger Defense 45 Degree offset side rail mount for flashlight, laser or sight accessories or red dot optics. Picatinny 1913 Rail Mount 45 Degree 1913 Picatinny or Weaver Rail mount Length: .86 In, Width: 2.3 In, Height .59 in. Aircraft Grade Aluminum Hex screw mount, no need for big bulky knob Use for rapid transition sights