The ProMag SIG18 is a detachable 6-round magazine chambered in 9mm for the Sig Sauer P290. It is designed as a replacement or spare magazine and uses a steel body with an injection-molded follower.

The magazine spring is formed from chrome-silicone wire, and the product is made in the USA.

Key Specifications

• The magazine fits the Sig Sauer P290.
• The chambering is 9mm.
• The magazine holds 6 rounds.
• The product type is detachable.
• The body material is steel.
• The follower is injection molded.
• The spring is made from chrome-silicone wire.
• The magazine is made in the USA.

With its steel construction, compact six-round capacity, and replaceable-magazine design, the ProMag SIG18 provides a practical option for maintaining or expanding your P290 magazine setup.