This is the ProMag Browning Hi-Power 9mm 20-round extended magazine.

Extend your range time with this high-quality 20-round magazine from ProMag!

Constructed from heat-treated steel and featuring a corrosion-resistant black oxide finish, this magazine delivers superior durability. Inside, you’ll find an injection-molded polymer follower that keeps each round aligned perfectly within the steel feed lips. 

A lifetime warranty backs each magazine, leaving nothing else to ask for!

Grab a few of these extended magazines today, and stay prepared!