ProMag GLK-A19 Glock 43X/48 Magazine, 9mm, (15) Rd, Blue Steel

15-round 9mm magazine. Fits Fits Glock 48/43X. Magazine body constructed of heat treated steel with black oxide finish. Steel magazine body with polymer catch insert, allows use of factory Glock mag catch with no modifications needed. Injection molded magazine follower. Spring is made from heat treated chrome silicon wire. Made in USA.