The OMSX Open Mini Reflex Sight features an 8MOA red dot reticle designed for rapid target acquisition with Shield/RMSC footprint compatibility for versatile mounting options.OMSX Open Mini Red Dot Sight8MOA dot reticle for fast target acquisitionShield/RMSC optic footprint compatibilityUltra-lightweight at 0.38 ouncesCompact 1.80-inch length profileCR2032 battery poweredBlack matte finishDimensions: 1.70 x 2.60 x 3.90 inchesIdeal for pistol applications where lightweight compact optics are essential. The 8MOA dot provides excellent visibility for close to medium range shooting while maintaining minimal weight impact on your firearm.