This is the Kahr Arms K9 9mm 10-round magazine. 

Do you use your Kahr Arms K9 for home defense as well as for range time fun? If so, this is the magazine for you!

Constructed from stainless steel and featuring an anti-tilt polymer follower, this magazine strikes the perfect balance of durability and reliability. Kahr has also included side-facing witness holes so that you can easily keep track of your remaining rounds.

These 10-round magazines provide an additional three rounds, making them perfect for saving time at the range or defending your home.

Don’t settle for seven or even eight rounds when you can have this 10-round magazine ready at your fingertips!