Engineered for strength and reliability and molded with our Carbon Senthex Advanced Carbon Fiber blend these magazines are designed to handle critical situations without compromise. 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. Compatible with 17/17C/17L/26/35 Gen3-5.