This is the Kimber 2K11 9mm 17-round magazine. 

Designed to maximize concealment while still providing ample capacity, this flush-fit 17-round factory magazine is perfect for concealed carry. 

The stainless steel tube combines with the anti-tilt polymer follower and polymer baseplate to deliver a rugged, reliable, and lightweight solution to your carry needs. 

Thanks to the slim baseplate, you won’t have to worry about snagging when drawing from concealment, and the rear-facing witness holes will help you keep track of your remaining rounds. If you plan to carry your Kimber 2K11, this magazine is for you!

Carrying a spare magazine is always a good idea, so why not buy some of these genuine magazines?!