This is the factory HK CC9 9mm 10-round magazine with finger rest. 

Improve your grip and control with these genuine 10-round magazines with finger rests.   

The stainless steel construction featuring a black oxide coating delivers superior durability to these small but mighty magazines. Inside, you’ll find a high-quality steel spring and anti-tilt polymer follower that work flawlessly together to keep each round feeding smoothly.

Rear-facing numbered witness holes finish the magazines off nicely and make capacity assessments a breeze. These magazines are perfect for any scenario from concealed carry to a weekend at the range.   

Throw a couple of these 10-round magazines in your cart before they sell out!