Description
If you carry a Security-9 Compact, you already know the story: you want maximum capacity without a gun that prints like a billboard. This factory Ruger magazine solves that problem with five extra rounds and a polymer adapter that lets the whole package work with your compact grip frame.
What you're getting here is built to Ruger's factory standards. The body is black oxide-finished alloy steel that resists corrosion in weather and won't rust sitting in a holster. The polymer floor plate takes impacts without cracking, and the witness holes let you count rounds at a glance when you're loading or running drills. Inside, you'll find a high-tensile steel spring and polymer follower that keep rounds aligned and feeding smooth, whether you're running fast-moving defensive ammo or standard range loads.
Compact-Friendly Design With Full-Size Capacity
The real value here is the adapter that ships with the magazine. It's injection-molded polymer that essentially spacers the 15-round magazine body to fit flush with your Security-9 Compact's shorter grip. Users report it adds maybe an inch of length while giving you a full palm contact grip—something the standard 10-rounder doesn't always provide. Some run this as their primary carry magazine. Others keep it as a spare for duty or range work where you're not worried about concealment.
Made in the USA and Field-Tested
Ruger manufactures this magazine to the same tolerances as original equipment, which means wobble-free seating and flawless operation every time you insert it. It's also compatible with the Ruger PC Carbine if you run one of those platforms. Keep this around as your spare, your practice magazine, or your go-to for days when you want the firepower without the fuss.
Key Specifications
- Manufacturer: Sturm, Ruger & Co., Inc.
- Model Number: 90681
- UPC: 736676906819
- Caliber: 9mm Luger
- Capacity: 15 rounds
- Compatible Models: Ruger Security-9 Compact, Ruger PC Carbine
- Magazine Body Material: Black oxide alloy steel
- Floor Plate Material: Impact-resistant polymer
- Spring: High-tensile steel wire
- Follower: Injection-molded polymer
- Adapter: Included polymer magazine adapter
- Finish: Black oxide
- Country of Origin: USA
What’s Included
- 1x Ruger Security-9 Compact 15-round magazine
- 1x Polymer magazine adapter
Frequently Asked Questions
Will this magazine work with my regular full-size Security-9?
Yes. This is the standard 15-round magazine for the full-size Security-9, and it works without the adapter. The adapter is what lets you use it on the Compact variant. If you're running a full-size Security-9, you can skip the adapter and load this magazine up normally.
How much longer does the compact magazine with adapter make my Security-9 Compact?
Users report the adapter adds roughly an inch to the grip length. The trade-off is worth it for most people because you get a full palm grip with all four fingers, which improves control and accuracy. It remains concealable for carry.
Is this a factory Ruger magazine or an aftermarket part?
This is a genuine Ruger factory original magazine manufactured to the exact same specs as OEM units that ship with new pistols. It's made in the USA and built to Ruger's standards for reliability and fit.
What's the difference between this and the standard 10-round magazine for the Compact?
This magazine holds 15 rounds instead of 10, giving you five extra defensive or practice rounds. The included adapter lets the longer 15-round magazine body fit your Compact grip frame, whereas the standard 10-round magazine is already sized for the Compact. Some people prefer the feel and extra capacity despite the slightly longer profile.






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