This is a 9mm STEEL 15-round magazine for Sig Sauer® P228 pistols.
These 15-round magazines are built from durable stainless steel with a blued, or nickel finish, and designed for use with P228 pistols chambered in 9mm. Features include numbered witness holes, polymer followers, and tough polymer baseplates. 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.