HEXMAG Magazine Series 2 9MM 10 Rounds Black Fits GLOCK 17 Carbon Fiber Black. HEXMAG's line of Carbon Fiber compatible pistol magazines are the only ones that offer this unique blend of materials to provide unmatched capability in a lightweight pistol magazine. Easy to index from pouch to gun with the ergonomic and tactile shape built right in to the magazine. The only true carbon fiber design on the market today and available at a fraction of the cost for a metal magazine. Specifications for Hexmag Magazine Series 2: Manufacturer: Hexmag Gun Make: Glock Gun Model: Glock 17 Caliber: 9mm Luger Magazine Capacity: 10 Round Color: Black Finish: Black Additional Features: Magazine Handle Color: Black Number of Rounds: 10 Features of Hexmag Magazine Series 2: 10 Round Capacity Package Contents: Hexmag Magazine Series 2 What firearm models does the manufacturer say Hexmag Magazine Series 2 is compatible with? The manufacturer suggests that Hexmag Magazine Series 2 is compatible with Glock 17