ProMag 40rds 9mm, Black

With the ProMag Extended Magazine, durability and reliability are never in question. Crafted from proprietary DuPont Zytel based polymer, this magazine is chemical resistant and extreme temperature tested, making it perfect for year round use in any environment. Inside, an injection molded polymer follower and heat-treated chrome silicon spring ensure proper round alignment and smooth, reliable feeding. Whether you're at the range or in the field, this magazine is built to perform. Magazine wit