This is an 18-round 9mm Canik TP9 Elite Subcompact extended magazine.Featuring a durable, heat-treated steel body with a corrosion-resistant finish, this Canik TP9 Elite Subcompact magazine is built for lasting service in harsh and demanding conditions.The precision-engineered geometries and reinforced feed lips deliver a snug fit, while the high-tensile steel spring and injection-molded polymer follower ensure reliable and smooth feeding performance.Factory-drilled witness holes allow for quick, visual round counts.Further, this TP9 SC magazine is equipped with an extended +3 polymer baseplate for a total carry capacity of 18 rounds, and it integrates seamlessly with your pistol's frame for a snag-free profile. Lightweight steel constructionCorrosion-resistant finish+3 polymer extensionStainless steel springInjection-molded polymer followerNumbered witness holes