Kriss(R) magazine is designed for compatible KRISS Vector firearms using Glock-pattern magazines and chambered in 10mm. The detachable magazine provides a 33-round capacity and features a black finish. It provides an extended-capacity magazine option for compatible Kriss Vector applications.Key Features Designed for compatible KRISS Vector firearms Glock-pattern magazine compatibility Designed for 10mm ammunition 33-round capacity Detachable magazine design Black finishKriss(R) manufactures firearms magazines components and accessories for sporting recreational and professional applications. The company develops products with an emphasis on functional design durable construction and firearm compatibility. KRISS products are manufactured with attention to fit dependable operation and consistent performance.