The HEXMAG HX Glock 17 Magazine delivers exceptional performance with innovative carbon fiber compatible construction for unmatched capability in a lightweight 17-round magazine chambered in 9mm.HEXMAG HX Magazine for Glock 179mm caliber 17-round capacityCarbon fiber compatible lightweight designIncreased strength at feed lipsHeat treated anti-fatigue stainless steel springTool-less takedown for easy maintenanceHEXID compatible identification systemRound count indicator on sideHEXTURE-XTM pattern for improved grip and holdErgonomic and tactile shape for easy indexingEngineered for extremely rugged use with exceptional reliability this magazine offers the only true carbon fiber design on the market at a fraction of the cost of metal alternatives making it ideal for competitive shooting tactical applications and everyday carry.