This is the KCI 9mm 33-round extended magazine for Glock 17, 19, and 26 pistols. This also fits other 9mm doublestack pistols (G19X, 45, 47).

These quality replacement magazines are constructed with a hardened steel insert encased in high-tech polymer. The polymer coating protects the magazine and prevents deformation, even when dropped.

DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.