Smith & Wesson(R) magazine is designed for compatible M&P 22X and FPC firearms chambered in .22 LR. The detachable magazine provides a 10-round capacity for compatible rimfire applications. It provides a factory replacement or additional magazine option for supported Smith & Wesson platforms.Key Features Designed for compatible Smith & Wesson M&P 22X and FPC firearms Designed for .22 LR ammunition 10-round capacity Detachable magazine design Factory replacement magazine configurationSmith & Wesson(R) manufactures firearms magazines components and accessories for sporting recreational defensive and professional applications. The company produces factory accessories engineered for compatibility with supported firearm platforms. Smith & Wesson products emphasize functional design durable construction and consistent manufacturing standards.