Ruger 90640 American Pistol Compact Magazine Adapter 45 ACP Black

The Ruger 90640 Magazine Adapter transforms the American Pistol Compact's grip profile to accommodate full-size magazines. This black polymer adapter extends magazine capacity and improves handling characteristics for shooters with larger hands.

What Makes This Different

Unlike aftermarket grip extensions that simply add length, this factory Ruger adapter integrates seamlessly with the American Pistol's modular grip system. The adapter maintains the pistol's original reliability standards while providing a more substantial grip surface. Installation requires no permanent modifications to the firearm, allowing shooters to switch between compact and extended configurations as needed.

Key Features

• Factory Ruger part ensures perfect fit with American Pistol Compact models
• Black polymer construction matches original grip texture and durability
• Accepts full-size American Pistol magazines for increased capacity
• Tool-free installation and removal for quick configuration changes
• Maintains trigger reach and sight alignment of original compact frame
• Textured surface provides consistent grip in various weather conditions
• Compatible with most holsters designed for full-size American Pistol models

The adapter performs reliably across temperature extremes and high round counts. Competition shooters appreciate the increased magazine capacity during extended strings of fire, while duty users benefit from the enhanced grip control during rapid target transitions. The polymer construction resists impact damage and chemical exposure common in tactical environments.

Technical Specs

• Caliber: .45 ACP
• Material: Black polymer composite
• Compatibility: Ruger American Pistol Compact models only
• Weight: Approximately 0.5 oz
• Installation: Tool-free snap-on design
• Finish: Matte black polymer
• Country of Origin: USA
• Manufacturer Part Number: 90640

This factory adapter provides a cost-effective solution for shooters seeking enhanced capacity and grip size without purchasing a separate full-size pistol. The reversible installation preserves the compact pistol's versatility for concealed carry applications.