Double down on firepower with the Mec-Gar® Sig Sauer® P228™ 9mm 15-Round Magazine. This aftermarket magazine is constructed from durable stainless steel with a nickel finish for superior strength and corrosion resistance to ensure reliable field performance. Plus, an impact-resistant polymer baseplate adds a layer of shock resistance while numbered witness holes provide quick and easy round counts on the fly. The high-impact polymer follower and high tensile music wire spring provide smooth and reliable feeding in high-stress target and defensive situations. Building on the success of Sig Sauer’s legendary P226™ combat pistol, the compact-sized P228/P229 series delivers hard-hitting firepower in a concealable package. And with Mec-Gar’s enhanced magazines, you’ll have a carry kit you can trust with your life. Mec-Gar has been producing Sig Sauer’s factory magazines for years, and they’re constantly evolving on existing designs to enhance reliability.