ProMag AR-15 9mm Colt SMG-Carbine 32-round Steel Magazine

This is a STEEL ProMag Colt SMG / AR-15 9mm 32-round magazine.
These full capacity 32-round steel stick magazines deliver ultra-reliable performance for AR-15 SMG conversions in 9mm.
Providing the ultimate in flexibility, customizability and reliability, the AR-15 platform can be adapted to fit practically any purpose and a wide variety of calibers. From handgun-caliber conversions to marksman-style configurations, the possibilities are practically endless—and ProMag magazines are there to keep it all running smooth …
Built from heat-treated steel with ultra-tough Zytel polymer followers and baseplates, these magazines feature chrome silicon internal springs for maximum performance and service life over the long haul.
Regardless of whether you’re just plinking or looking for a duty-ready alternative, these 32-round magazines are the perfect choice for your 9mm AR-15!