The S15 magazine is a patent-pending, flush-fitting 15 round magazine for the Glock 43X and Glock 48. The S15 is a steel magazine, and is the same length as the OEM Glock 10 round magazine, but holds an additional 5 rounds. Product Features 15 round capacity Same length as an OEM Glock 43X/48 magazine Easy to remove, impact resistant base pad High lubricity finish options Made in the USA Patent-pending Product Specifications Manufacturer: Shield Arms Model: Glock G43X/48 Gen3 Caliber: 9mm Magazine Capacity: 15+1