Magpul Industries PMAG 21 | 9MM | 21 Rounds | Fits Glock 17,19,34, AR9 and most PCC | Black | MAG661-BLK

**Pinned to State Capacity**

The Magpul PMAG 21 GL9 is a 21-round 9mm magazine built for Glock pistols, featuring Magpul’s proprietary all-polymer construction for unmatched reliability and durability over thousands of rounds. Meeting 140mm competition magazine length requirements, this PMAG 21 provides extra capacity without the need for costly extensions. Equipped with a high-visibility controlled-tilt follower, stainless steel spring, removable floorplate, paint pen dot matrix for marking, ridged floorplate edges, and indicator windows, the PMAG 21 GL9 is engineered for performance and ease of use. Compatible with all full-size, compact, and sub-compact double-stack Glock 9mm variants, this Glock 17 PMAG 21 drops free loaded or unloaded, delivering the same reliable function you expect from OEM mags.Made in the USA.