The Bushnell BT71XRDX Tac Optics Mini Cannon 1x 23mm Obj 2.5 MOA 4 Reticle Patterns packs a big punch in a compact package. These Red Dot Sights by Bushnell are built tough, nitrogen purged and O-ring sealed to deliver complete shockproof, fogproof and waterproof performance. This Bushnell Tac Optics Mini Cannon 1x23 Sight provides 4 reticle options to best suit your needs, including Black with Dot, Circle Dot, Crosshair Dot, Circle Crosshair Dot reticle. Enhance your weapon performance in any scenario with a Bushnell Tac Optics Mini Cannon Red Dot Sight. Features: Black with Dot, Circle Dot, Crosshair Dot, Circle Crosshair Dot reticle Waterproof Construction - O-ring sealed optics stay dry inside, even when totally immersed in water Shockproof construction - Built to withstand bumps, bangs, drops and the rough-and-tumble environment of the field Nitrogen Purged Fog-Proofing - Nitrogen inside the scope ensures interior optical surfaces won't fog due to humidity or rapid temperature change Specifications: Magnification Range: 1x Objective Lens Diameter: 25mm Reticle Details: Dot/Circle Dot/Crosshair Dot/Circle Crosshair Dot