This OEM Glock .40 S&W 10-round magazine offers reliable performance in a compact, compliant design. Constructed from Glock’s signature polymer with a steel-reinforced insert, it provides exceptional durability and resistance to wear. The high-tensile spring and anti-tilt follower ensure smooth, consistent feeding, while numbered witness holes allow for quick round count verification. Perfect for use in Glock .40 caliber models like the G22, G23, and G27, this 10-round magazine is ideal for states with capacity restrictions or for shooters seeking a slimmer profile. Trusted by professionals, built for performance.