Product Description The Holosun EPS Core (EPSCORERD3) is a compact, enclosed pistol red dot sight purpose-built for carry-ready performance. Featuring a full-size EPS viewing window housed in a slim RMSc-footprint body, this optic delivers a clean 3 MOA red dot with unlimited eye relief and 1x magnification. Its fully enclosed emitter design shields internal components from dust, debris, and harsh weather conditions, ensuring reliable operation under real-world carry and defensive use. A forward-facing ambient light sensor automatically adjusts brightness across 8 daytime and 4 night vision compatible settings, while Shake Awake technology powers the optic on with movement and Lockout Mode prevents accidental adjustment. Powered by a convenient side-loading CR1620 battery rated for up to 50,000 hours of life, the EPS Core offers an outstanding combination of compactness, durability, and long-term readiness in a hard-anodized aluminum chassis. Product Highlights Enclosed Emitter Design: Fully sealed housing protects the emitter from dust, debris, and environmental exposure for dependable performance in adverse conditions. 3 MOA Red Dot Reticle: Provides a precise, easy-to-acquire aiming point with a 650nM wavelength red dot and parallax-free operation. RMSc Footprint Compatibility: Direct-mount compatibility with RMSc-pattern cuts found on many popular compact and subcompact pistol slides. Shake Awake and Lockout Mode: Motion-activated power-up ensures the optic is always ready, while Lockout Mode safeguards brightness settings from unintended changes during carry. 50,000-Hour Battery Life: Side-loading CR1620 battery tray allows battery replacement without removing the optic from the firearm. Specs Brand: Holosun MPN: EPSCORERD3 UPC: 810047074748 Reticle: 3 MOA Red Dot Wavelength: 650nM Magnification: 1x Eye Relief: Unlimited Adjustment Size: 1.50 MOA Parallax: Parallax Free Brightness Settings: 8 Day / 4 Night Battery: CR1620 (Side-Loading Tray) Battery Life: Up to 50,000 hours Weight: 1.40 oz Material: Aluminum Finish: Hard Anodized Color: Black Optic Coating: Multi-Coated Footprint: RMSc Power: 1X Type: Enclosed Red Dot Sight Disclaimer: 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. ]]>