Promag Handgun Magazine Black for Glock 43x/48 9mm Luger 20/rd

Features: 20-round magazine Fits Glock 48 / 43X 9mm 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