Cyelee Optics BULL X PRO Reflex Red Dot Sight 1x34.5x26mm 2 MOA Dot/26 MOA Circle Black. While the optic has survived direct optic down drops onto solid rock on full-sized rifles (AK-47). It is conservatively rated DROP PROOF for 6' drops optic down on 45oz pistols onto concrete that you might find on the street. The BULL X PRO red dot utilizes an oversized glass with a width of 33mm delivering a significantly larger field of view. The red dot has the Click MOA system with 1MOA per click. It has a Variable Reticle Technology (VRT) 2MOA dot 24MOA Circle or both. Specifications for Cyelee Optics BULL X PRO 1x34.5x26mm Reflex Red Dot Sight: Manufacturer: Cyelee Optics Color: Black Fabric/Material: 7075-T6 Aluminum Magnification: 1 x Objective Window Size: 34.5x26 mm Reticle: 26 MOA Circle 2 MOA Dot Illumination Type: LED Illumination Color: Red Brightness Settings: 10 Eye Relief: Unlimited Adjustment Click Value: 1 MOA Emitter Type: Open Parallax: Parallax Free Battery Type: CR1632 Lithium Metal Battery Life: Up to 50000 hours Water Resistance Level: IPX-7 Weight: 70 g Package Type: Box Red Dot Sights-Footprint: RMR Lens Type: Multi Coated Gun Type: Pistol Package Contents: Cyelee Optics BULL X PRO 1x34.5x26mm Reflex Red Dot Sight Cyelee Optics X003ZQ2KW3: BULL X PRO Reflex Red Dot Sight 1x34.5x26mm 2 MOA Dot/26 MOA Circle Black