ProMag's Sig Sauer P320 9mm 50rnd Polymer Drum housing is constructed of a proprietary lightweight DuPont Zytel based polymer. The magazine spring is made from heat treated stainless steel. Made in USA.
Capacity: 50 rounds
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 cannot accommodate any requests to disassemble, modify or change items before shipping to make them legal in a certain state.