MAG KCI USA FOR GLOCK 40SW 31RD BLK

KCI USA Magazine, 40 S&W, 31 Rounds, Fits Glock 22/23/27, Black KCI-MZ012
These KCI USA's Glock pattern magazines are constructed with a hardened steel insert that is encased in a polymer. The polymer molding helps to protect the magazine body from damage and deformation from regular use.