ProMag Glock 48 / 43X 9mm Magazine Features The ProMag Glock 48 / 43X 9mm magazine is constructed from heat-treated high carbon steel for strength and long service life with a black oxide finish that adds corrosion resistance and a clean appearance. Its extended 28 round capacity keeps you shooting longer between reloads making it a practical option for range use and drills where capacity matters. The injection-molded follower supports smooth cartridge presentation while the spring is formed from heat-treated chrome silicon wire for reliable tension across extended use. A polymer catch insert is built into the magazine body to allow use of the factory Glock magazine catch without any modifications preserving proper engagement and smooth insertion. Designed to fit Glock 48 and Glock 43X pistols this detachable magazine provides a secure fit and dependable operation for shooters looking for an extended-capacity option. Made in the USA and backed by a lifetime guarantee against manufacturer's defects it offers durable performance with a value-driven aftermarket build. ProMag Glock 48 / 43X 9mm Magazine Specifications Manufacturer: ProMag Model: Glock 48 Magazine Type: Magazine Caliber: 9mm Luger Capacity: 28 rounds Material: Heat-treated steel Finish: Black oxide Follower: Injection molded Spring: Heat-treated chrome silicon wire Catch Insert: Polymer Style: Extended detachable Firearm Fit: Glock 48 Glock 43X Country of Origin: USA