This is a 3-pack of the Magpul PMAG 21 GL9 9mm 21-round magazine for G17, 19, 19X, 26, 34, and 45 pistols.

FEATURES

• Compatible with all 9mm double-stack Glock handguns
• Durable, lightweight, and rigid polymer construction
• High visibility, controlled-tilt follower
• Long-life stainless steel spring for corrosion resistance
• Flared, easily removable floor plate
• Dot-matrix panel for magazine marking and identification
• Magazine indicator windows on both sides of the body at 10, 15, and 21 rounds remaining
• Drops free when loaded or unloaded

Includes: high visibility, controlled-tilt follower, a stainless steel spring, and an easily removable floorplate for cleaning. Also includes a paint pen dot matrix for magazine marking, ridged floorplate edges for better grip, and capacity indicator windows. Drops free when loaded or unloaded.