Promag Magazines for Glock are constructed from a proprietary DuPont Zytel based polymer for lightweight and strength. The magazines body has full length steel internal insert stamped and welded just like Glock factory magazines and an injection molded magazine follower. The spring is made from heat treated chrome silicon wire. Made in the USA.
Firearm: Glock 21
Caliber: .45 ACP
Capacity: 13 Round
IMPORTANT SHIPPING INFORMATION: We cannot ship magazines that hold more than 10 rounds to CA, CO, DC, HI, Cook County IL, MD, MA, NJ, NY or VT (regardless of if you are a Law Enforcement Officer or not). We do not ship ANY magazines to CT. We cannot accommodate any requests to disassemble, modify or change items before shipping to make them legal in a certain state.