Whether you carry a glock model 17 for sport, self-protection or on duty you need a magazine that delivers reliability and dependability that only sentry and hexmag can deliver.Engineered for ultimate strength and reliability and molded with our carbon senthex advanced carbon fiber blend these magazines are designed to handle critical situations without compromise.A game changing magazine design sentry's hexmag glock compatible magazine line incorporates the patented hexture pattern, stainless steel spring, anti-tilt follower, indexing serrations, full round count visibility, and true tool-less takedown design.Caliber: 9mm LugerCapacity: 17rdModel: StandardMaterial: Carbon SenthexCapacity: 17