The Crimson TraceA(R) CTS-25 is a compact Red Dot Sight designed to enhance your rifle or carbine's targeting capability. The 4 MOA red dot gives you a nice, bright aim point for lightning-fast targeting, and the large function buttons make adjusting brightness quick and simple. The CTS-25 is shock, fog and water resistant, and comes backed by a Limited Lifetime Manufacturer's Warranty. Coated optics for light transmission, contrast and clarity 4 MOA red dot reticle Large function buttons for brightness settings High-efficiency LED for years of maintenance-free use Shock, fog and water-resistant design Side-accessible battery compartment Up to one year of battery life Includes a removable riser Backed by a Limited Lifetime Warranty Order today!