Product DescriptionThe GBRS Group LERNA Mount elevates your holographic sight to a 2.91-inch optic centerline, enabling faster target identification with a comfortable, heads-up shooting posture. Engineered for professional end-users, it maintains a vertical spine for improved ergonomics when wearing body armor or operating with ear pro, comms headsets, gas masks/CBRN, or night vision systems. Machined from durable 6061-T6 aluminum with a hard anodized black finish, the LERNA Mount delivers secure, repeatable performance. It is compatible with EOTECH EXPS series holographic weapon sights and other HWS sharing a similar footprint, and includes a 1/4" drive T25 bit for installation.Product Highlights2.91-inch optic centerline promotes heads-up posture and faster target acquisitionCompatible with EOTECH EXPS series and similar-footprint holographic weapon sights6061-T6 aluminum construction with anodized black finish for strength and durabilityIncludes 1/4" drive T25 bit; mount marked 45 in-lb for secure installationLightweight 4.0 oz design supports situational awareness with body armor and NVGsSpecsProduct Type: Optic riser mount for holographic sightsCompatibility: EOTECH EXPS series HWS and similar footprintsMaterial: 6061-T6 aluminumFinish/Color: Anodized blackOptic Centerline Height: 2.91 inWeight: 4.0 ozTorque Specification: 45 in-lb (as marked on mount)Included: 1/4" drive T25 bitUPC: 850066219904Manufacturer Part Number: GEAR-LERN-EXPS-BLKBrand Name: GBRS GroupDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.