Description
ProMag’s Sig MPX 9mm 50rnd Polymer Drum housing is constructed of a proprietary lightweight DuPont Zytel based polymer. The upper part of the magazine is made from a heat treated stamped steel with a black oxide finish. The magazine spring is made from heat treated stainless steel. Made in USA.
Capacity: 50 rounds
Caliber: 9mm
Color: Black
IMPORTANT SHIPPING INFORMATION: We cannot ship magazines that hold more than 10 rounds to CA, DC, HI, Cook County IL, IL (rifle), MD, MA, NJ, NY, RI, 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 and IL (pistol) 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. We cannot ship any magazine extension to any state that has capacity limits on magazine size.









