ProMag's FN 5.7x28 AR Style Carbine magazine has a lightweight and durable DuPont Zytel based polymer magazine body, blue steel upper magazine tower and an injection molded magazine follower. The magazine spring is made from heat treated chrome silicon wire. Made in USA.
Capacity: 55 rounds
IMPORTANT SHIPPING INFORMATION: We cannot ship magazines that hold more than 10 rounds to CA, DC, HI, Cook County IL, MD, MA, NJ, NY, VT or WA (regardless of if you are a Law Enforcement Officer or not). We cannot ship magazines that hold more than 15 rounds to CO or 17 rounds to DE and are unable to ship any magazines regardless of size to CT. We cannot accommodate any requests to disassemble, modify or change items before shipping to make them legal in a certain state.