Osight Red Dot Sight Mount 0.4in Black. Crafted from durable high-quality materials this mount ensures a stable and secure connection making it an essential accessory for professionals and enthusiasts alike. Specifications for Osight Red Dot Sight Mount: Manufacturer: Osight Color: Black Red Dot Sights-Footprint: RMR Optic Cut: Not Applicable Length: 1.75 in Width: 1.25 in Height: 0.4 in Weight: 0.6 oz Last Chance: Yes Mount Type: Picatinny Gun Rail: Picatinny Features of Osight Red Dot Sight Mount Picatinny rail mount adapter for the Osight Easy to attach Package Contents: Osight Red Dot Sight Mount Osight 6975498004080: Red Dot Sight Mount 0.4in Black