This is a factory 12-round magazine for Steyr® M357-A1 compact pistols in .357 SIG.
These full capacity magazines 12-round magazines for the elusive .357 SIG variant of the Steyr M-A1 are crafted from blued steel and engineered to meet Steyr’s exacting standards for perfect fit and function. Developed and engineered over a nearly decade-long process, Steyr’s M series pistols quietly developed a reputation for their unique ergonomics, high-end performance, impressive triggers, and ultra-reliable factory magazines. Featuring clear-cut witness holes, steel wire spring internals, and impact-resistant polymer baseplates, Steyr factory magazines are designed for duty-ready performance in even the toughest environments. Double down on .357 SIG firepower with a few spare factory magazines for your M357-A1 today!