ProMag SIG-A4 P226 Magazine, .40 S&W/.357 SIG, 20-Round

The ProMag SIG-A4 is a 20-round magazine designed for the SIG Sauer P226 in .40 S&W or .357 SIG. It features a steel magazine body with a polymer follower lock-plate and base plate, along with a chrome-silicon wire spring.

Key Specifications

• The magazine is designed for the SIG Sauer P226 pistol.
• The listed chamberings are .40 S&W and .357 SIG.
• The magazine has a capacity of 20 rounds.
• The magazine body is constructed from steel.
• The follower lock-plate and base plate use black polymer.
• The spring is made from chrome-silicon wire.

With its steel construction, 20-round capacity, and compatibility with .40 S&W and .357 SIG P226 configurations, the ProMag SIG-A4 provides a practical magazine option for range use and regular equipment rotation.