Magpul PMAG 21 GL9 Magazine 9mm 21 Rounds for Glock Polymer Black MAG661BLK

This is not a Glock Factory Magazine, it is an after market Magazine
Manufacturer Number: MAG661BLK
Magpul PMAG 21 GL9 For Glock 9mm Magazine 21 Rounds Polymer Black
Caliber: 9mm Magazine for Glock
Capacity: 21 Round Capacity
Body Material: Impact Resistant Polymer Construction
Spring Material: Stainless Steel Spring
Follower Material: Polymer
Follower Color: Orange
Easy To Disassemble
Flared Easily Removable Floor Plate
Dot Matrix Panel for Mag Identification
Full Magazine Indicator Windows
Made in the USA
Color: Black finish