The guide rail 45 switching dovetail sight seat bracket

 Y0036 Side rail The 45 degree offset track allows additional lasers, flashlights, red spot sights or other sights The offset tilt design creates more installation versatility and eliminates interference with the vertical grip Perfectly mount the backup reflection sight side by side with your main optics. Ergonomically designed for easy access to flashlights, lasers, or red spot switches. Pure aluminum, hard anodic oxidation, corrosion resistance. Size: 45 x52x21mm Weight: 42 g