Compatible with the Ruger® Security-9® Compact and the Ruger PC Carbine, the Ruger Security-9 Compact 9mm 15-Round Magazine w/ Adapter is a standard OEM factory replacement magazine, manufactured to the same specifications and tolerances as original equipment magazines, ensuring a reliable, sure fit for flawless operation. Constructed of black oxide-finished alloy steel with an impact-resistant polymer floor plate, this magazine offers lasting durability, while numbered witness holes make for quick round counts. The included adapter integrates seamlessly with your pistol’s grip for a flush fit and snag-free draw. Made in USA.