Designed for restricted state compliance, the ARMSCOR ROCK ISLAND DY9 / STK200 9mm 10-round Magazine delivers reliable and consistent feeding performance. Built with a high strength polymer body, an anti fatigue spring and a durable polymer follower, it offers natural corrosion resistance and long lasting durability, even in demanding conditions. The removable polymer floor plate allows for easy disassembly and hassle free maintenance. With a 10-round capacity, this magazine is a dependable choice for shooters seeking quality and compliance. Durable polymer construction ensures long-lasting performance and resistance to wear Precision-molded design guarantees a snug fit and reliable operation Anti-fatigue spring extends service life and maintains consistent feeding Polymer follower enhances smooth operation and feeding reliability Removable polymer floor plate allows for easy disassembly and cleaning, ensuring long-term performance