Designed for steady, repeatable performance in varied environments, the KCI MAG KCI USA FOR GLOCK 40SW 15RD BLK emphasizes functional reliability and straightforward operation. KCI USA's Glock pattern magazines are constructed with a hardened steel insert encased in a polymer, protecting the magazine body from damage and deformation during regular use. Ideal for range training and recreational shooting, this magazine fits Glock models 22, 23, 27, and 35. KCI is known for its commitment to quality and innovation in firearm accessories.