The ProMag SIG20 is a detachable 6-round magazine designed to fit the SIG Sauer P938 in 9mm. It uses steel construction with an injection-molded follower and a magazine spring formed from chrome-silicon wire. The magazine is made in the USA.

Key Specifications

• This magazine is designed for the SIG Sauer P938.
• The magazine is chambered for 9mm ammunition.
• It holds 6 rounds.
• The product type is detachable.
• The body is made from steel.
• The follower is injection molded.
• The magazine spring is formed from chrome-silicon wire.
• The magazine is made in the USA.

With its compact capacity and steel construction, the ProMag SIG20 provides a practical spare-magazine option for P938 owners who value straightforward fit, familiar handling, and durable component design.