ProMag Smith and Wesson SD40 .40 SW 50 Rd Drum Black

Description

The ProMag Smith and Wesson SD40 .40 SandW 50 Rd Drum Black is a 50 round drum magazine that fits Smith and Wesson SD40 .40 SandW pistol. The magazine body is constructed of a proprietary DuPont Zytel based polymer. It features a hybrid steel upper magazine tower and injection molded magazine follower. The magazine spring is formed from heat treated stainless steel.