This is the Grand Power K100, X-CALIBUR 9mm 15-round magazine. 

Keep your Grand Power pistol running flawlessly with this factory 15-round magazine!

Constructed from high-quality steel and featuring an anti-tilt polymer follower, this magazine delivers superior durability and reliability. You’ll also find side-facing witness holes that provide a quick and easy view of your remaining rounds. 

Last but certainly not least, the polymer floor plate is easily removed for maintenance and cleaning. From the range to home defense, this magazine will have your back! 

These magazines are sure to sell quickly, so grab a few today!