I should not be getting these kills - Rainbow Six Siege

Settings Sens DPI: 400 Default multiplier V: 9 H: 9 : 58 : 88 : 94 : 100 : 103 : 104 : 105 : 161 Display Resolution : 1920x1080 Aspect Ratio: 4:3 Refresh Rate : 240hz FOV: 90 Graphics Texture Quality: Medium Texture Filtering: Linear LOD Quality: Ultra Shading Quality: Medium Shadow Quality: Medium Reflection Quality: Low Ambient Occlusion: Off Lens Effect: Off Zoom-In Depth of Field: Off Anti-Aliasing: Off