The ProMag® Glock® 43X / 48 9mm 20-Round Blued Steel Magazine from GunMag Warehouse makes the perfect companion for any concealed-carry setup. Heat-treated steel construction with a corrosion-resistant black oxide finish combine to offer a rugged, and durable aftermarket magazine that's been designed for proper fit and function with your Glock 43 or 43X pistol. The injection-molded polymer follower and heat-treated chrome silicon wire spring combine to ensure smooth, proper feeding and the polymer catch insert allows the use of a factory Glock mag catch with no modifications required. Backed by a lifetime warranty from ProMag. Order now! Made in USA.