Ade Advanced Optics RD3-009 Crusader Red Dot Sight – Reflex Optic for Ruger Mark I II III IV IV-Lite with Mounting Plate – Doctor Footprint – Compact Red Dot for Handgun, Pistol or Picatinny Rail Use
DIRECT MOUNT FOR RUGER MARK SERIES – Designed for Ruger Mark I, II, III, IV, IV-Lite, and 22/45 pistols with pre-drilled holes. Mounts directly via the two top slide screws for a secure fit. Mark I and II models must be tapped. Provides reliable alignment without rear sight removal.
INCLUDES TWO MOUNTING OPTIONS – Ships with a dedicated plate for Ruger Mark I–IV and a universal Picatinny mount for rifles or compatible pistols. This allows for fast transitions between handgun and long gun platforms, providing flexibility for training, sport shooting, or defense setups.
5 MOA DOT WITH ADJUSTABLE ILLUMINATION – Fully adjustable for windage and elevation with locking screws. Features unlimited eye relief and five brightness settings for different lighting conditions. Powered by a CR2032 battery (included) to deliver compact, consistent aiming performance.
DOCTOR FOOTPRINT COMPATIBILITY – Designed to fit optic cuts and mounting plates that follow the Doctor/Venom/Fastfire pattern. Easily integrates with a wide range of pistols and mounting platforms, providing versatility without needing slide modifications or custom adapters.
RELIABLE PERFORMANCE UNDER RECOIL – Built with rugged aluminum housing and a shock-resistant internal design, this red dot sight maintains zero through repeated firing. Anti-glare coated optics provide a clear aiming point in bright or dim light, ideal for range work or field use.