Introducing the Mec-Gar Magazine for Glock 9mm. If you are looking for a magazine for your Glock 17 pistol, choose the magazine manufacturer that is the most trusted in the industry. All Mec-Gar magazines are made with the most sophisticated technologies and best materials. Since 1965 Mec-Gar has been a world leader in the production of magazines for the largest firearm manufacturers and militaries in the world." NOTE: YOU DO NOT NEED TO REPLACE YOUR MAGAZINE CATCH. Standard Glock replacement floorplates will not work with this magazine. This magazine is not compatible with the Glock 19X pistol or the Stealth Arms Platypus. This magazine will not work with funneled magazine guides 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.