The Ruger 90668 is a genuine factory magazine adapter that lets the 15-round Security-9 magazine work in the compact Security-9 Compact pistol.

Key Specifications

• Converts the 15-round 9mm Luger Security-9 magazine to be compatible with the 10-round Security-9 Compact.
• Chambered for 9mm Luger.
• Molded from black polymer.
• Classified by Ruger as a Magazine Grip Sleeve.
• Built in a Compact style specifically for the Security-9 Compact frame.
• Genuine Ruger factory accessory.
• Sold individually, one adapter per package.
• Ships at a shipping weight of about 0.06 lb.
• Installs without any permanent modification to your pistol or magazine.

Frequently Asked Questions

Does this adapter come with a magazine? No — it’s the adapter only. It lets you use a 15-round Security-9 magazine in the 10-round Security-9 Compact.

Is this a genuine Ruger part? Yes — it’s a genuine Ruger factory accessory, not an aftermarket copy.

Buy the Ruger Security-9 Compact Magazine Adapter

Ships fast from a Lubbock, TX gun shop on the Ruger Security-9 Compact Magazine Adapter from Ruger, part of our Magazine Accessories selection. Pick one up to run the full-size Security-9 magazine in your Compact model.