The S15 magazine is a Patented, 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. Kit Contents (1) Gen 3 S15 magazine (1) Glock 43X / 48 steel mag catch black nitride 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: Gen 3 Glock 43x/48 Caliber: 9mm Magazine Capacity: 15 Rounds Additional Features: Includes steel mag catch black nitride