ProMag Smith & Wesson CSX 9mm 50-Round Drum Magazine

Engineered to deliver unparalleled reliability with the all-new Smith & WessonA(R) CSX pistol, the ProMagA(R) Smith & Wesson CSX 9mm 50-Round Drum Magazine is an affordable aftermarket drum magazine, favored by informal target and home-defense shooters across the country. Featuring a heat-treated steel upper tower with a durable DuPontA(R) Zytel(TM) polymer drum, this affordable aftermarket high-capacity magazine offers factory-like feeding performance and speedy reloads in virtually any tactica