Ruger RM1S 10-round magazine for Security-9 pistols. Single-stack design, reliable steel construction with witness holes for round count verification.
Fits: Ruger Security-9
This is the factory magazine for Ruger's Security-9 pistol line. It holds 10 rounds of 9mm ammunition in a single-stack configuration.
Factory magazines are engineered to exact specifications for your firearm. This RM1S magazine ensures reliable feeding and function in your Security-9. The witness holes allow you to quickly verify how many rounds you have loaded without removing the magazine. The single-stack design keeps the magazine profile slim and manageable.
Whether you're building a backup magazine supply or replacing a worn unit, this is the magazine your Security-9 was designed to use.