The ProMag GLK13 Magazine extends your Glock 43's firepower with its 10-round capacity and durable DuPont Zytel polymer construction. Built with a full-length steel internal insert this aftermarket magazine delivers reliable feeding and enhanced capacity for concealed carry and range use.ProMag GLK13 10-round magazine for Glock 43 pistolsDuPont Zytel polymer body with full-length steel internal insertHeat-treated chrome silicon wire spring for consistent performanceInjection molded follower ensures smooth feedingBlack polymer finish matches factory aestheticsMade in USA construction and quality standardsPerfect for Glock 43 owners seeking extended capacity beyond the factory 6-round magazines this ProMag magazine provides reliable performance for self-defense concealed carry and range training. The steel-reinforced construction ensures durability while maintaining the lightweight characteristics essential for concealed carry applications. Note: This is an aftermarket accessory not manufactured by Glock.