The GBRS Group GBRS LERNA MOUNT AMPNT DUTY RDS FDE is designed for end-users seeking a 2.91-inch optic centerline that enables quicker target identification even with gear and equipment obstructions such as ear protection, communication headsets, gas masks/CBRN, and night vision systems, while supporting a more athletic, heads-up stance that helps maintain a vertical spine when wearing body armor or presenting plates to a threat, ultimately contributing to faster response times and enhanced situational awareness. Crafted from 6061-T6 aluminum and finished in a durable anodized Flat Dark Earth coat, this mount pairs compatibility with CompM5s and Duty RDS optics for reliable integration on a variety of setups, with a tested weight of 4.0 oz that adds minimal bulk without compromising strength. The LERNA MOUNT AMPNT DUTY RDS FDE ships as a complete solution that includes essential toolsthe Long Reach T10 Key, Long Reach 3/32" Hex Key, and a " Drive T25 Bitto facilitate on-spot installation and adjustments, while its Picatinny fit and Aimpoint Duty RDS compatibility ensure precise, repeatable mounting performance across demanding field conditions.