Glock Gen 4 Glock 27 .40 S&W 9-Round Factory Magazine

.40 S&W Glock compact & subcompact pistols deliver duty-proven performance in an easy-to-conceal package. Combine the hard-hitting firepower of .40 S&W with the ultimate reliability of Glock’s standard factory polymer-and-steel magazines …

These subcompact, 9-round magazines are designed for use exclusively with Glock 27 pistols chambered in .40 S&W. Features include steel wire spring internals and numbered witness holes for tracking capacity.

ONLY fits Glock 27 pistols.