Mounts on any gun equipped with Picatinny or Weaver rail. Essential info Compatibility: Picatinny / Weaver rail mount Reticle: 2 MOA dot & 65 MOA circle [red] AEMS features include glass flip-down lens covers, Holosun’s MRS (Multi-Reticle System) with a precision 2MOA dot inside a 65MOA circle, Solar Failsafe, and Shake Awake technology. A side mounted battery trays houses a 2032 battery which provides up to 50k hour battery life. Holosun’s Red Super LED provides 12 intensity settings, 4 of which are night vision compatible. In the Box Lower 1/3 Co-witness Mount Multi Tool Clear Flip-down Len Covers User Manual CR2032 Battery Lens Cloth Specification PHYSICAL SPECS Window Size 1.1×0.87 Dimension (in) 2.2×1.54×1.7 Weight (oz) 3.9 MECHANICAL SPECS Housing Material 7075 T6 Aluminum Surface Finish Anodize Adjustment per Click 0.5 MOA W&E Travel Range ±50 MOA ENVIRONMENT SPECS Storage Temperature -40℃~70℃ Working Temperature -30℃~60℃ Submersion IPX8 Vibration 1000G