The All-New Propoint Reflex Site Has A Generous 25mm Objective Lens With Crystal Clear Glass Protected By A Tough Shroud That Shields From Sun Glares. The ProPoint offers class-leading performance and durability with multi-platform versatility thanks to a DeltaPoint Pro mounting pattern, and it also comes with a Weaver-style base for mounting on anything with a Weaver or Picatinny base. At the heart of this optic is a 4 MOA dot that's crisp and daylight-bright with six illumination settings.The days of removing your optic and having to site in your firearm back in just to change batteries are over with the ProPoint as it has a side-loading battery door to access the CR2032 battery.Whether you're in the market for your first red dot for a pistol or if you're a seasoned shooter, the ProPoint delivers unmatched quality at a great price. Features: Durable, 6061-T6 Aircraft Grade Aluminum Construction Rugged aluminum chassis ensures glass and electronics are protected during the heaviest use. Efficient Clear 4 MOA Dot With 6 Brightness Settings Point-source LED creates a clean beam that produces a strong dot without wasting energy. Long Lasting Battery Life 5,000 hours on the mid setting; side-loading battery is easy to replace, no sight removal required Mounts On Pistols, Rifles And Shotguns Works across all common red-dot mounts with DeltaPoint footprint. Includes Weaver-style low-rise mount. Convenient Layout And Design Windage/elevation adjustment with tension locks. Side-loading CR2032 battery for easy replacement. Easy access push button design for brightness setting adjustment. High Quality Image Multi-coated lens eliminates the blue hue found in many competitors's sights.