Lerna is the first optic mount designed for end-users that offers a 2.91" Optic Centerline for faster target ID, regardless of gear/ equipment obstructions, i.e.. EarPro/Comms headsets, Gas masks/ CBRN, and Night vision use. A higher Optic allows for a more athletic posture and ,Heads up, attitude that enables the end-users to maintain a vertical spine which translates to body armor or ,presenting plates, to the threat. This ,Heads up, style allows for faster processing speed and increased situational awareness.Features :"2.91" Optic center line,Designed for use with EarPro/Comms headsets, Gas masks/ CBRN, and Night visionColor: BlackTools included