Ruger 90623 Picatinny Rail - Black Aluminum Mark III/IV & 22/45

The Ruger 90623 Picatinny Rail transforms Mark III, Mark IV, and 22/45 pistols into versatile platforms ready for optics and accessories. This factory-engineered rail system eliminates the guesswork of aftermarket modifications while maintaining the pistol's renowned reliability and accuracy.

What Makes This Different

Unlike generic aftermarket rails that require gunsmith fitting, the Ruger 90623 features precise factory tolerances engineered specifically for Mark series pistols. The black anodized aluminum construction provides corrosion resistance superior to painted alternatives while maintaining a lightweight profile that won't affect balance. Installation requires no permanent modifications to the pistol frame.

Key Features

• Factory-engineered fit for Mark III, Mark IV, and 22/45 pistols eliminates compatibility issues
• Black Type III hard anodized aluminum construction resists wear and corrosion
• Full-length Picatinny rail accepts standard 1913 rail accessories
• Lightweight design adds minimal weight to maintain pistol balance
• Tool-free installation with no permanent modifications required
• Multiple mounting points accommodate various optic sizes and positions
• Low-profile design maintains sight picture with backup iron sights

This rail system excels in competitive shooting environments where quick target acquisition matters. The rigid aluminum construction maintains zero through extended shooting sessions, while the anodized finish withstands repeated mounting and dismounting of accessories. Whether mounting red dot sights for steel challenge competition or tactical lights for training scenarios, the rail provides a stable platform that enhances the pistol's inherent accuracy.

Technical Specs

• Material: Type III hard anodized aluminum
• Finish: Matte black anodized
• Rail Standard: MIL-STD-1913 Picatinny
• Compatibility: Ruger Mark III, Mark IV, and 22/45 pistols
• Installation: Tool-free attachment system
• Weight: Approximately 1.2 ounces
• Manufacturer: Sturm, Ruger & Company
• Country of Origin: United States

The Ruger 90623 represents the most reliable method for adding accessory mounting capability to Mark series pistols. Factory engineering ensures perfect fit and function, while the durable construction handles demanding use without failure.