ProMag SIGA24 40rd 9mm Magazine for Sig MPX

The ProMag SIGA24 is a 40-round magazine designed for use with the Sig Sauer MPX pistol-caliber carbine. The body uses a proprietary DuPont Zytel-based polymer for a lightweight, durable profile suited to extended range and competitive use. It incorporates an injection-molded magazine follower and a spring formed from heat-treated chrome silicon wire. This magazine is manufactured in the USA.

Key Specifications

• The magazine capacity is 40 rounds.
• The caliber is 9mm.
• Intended to fit the Sig Sauer MPX platform.
• The magazine body material is DuPont Zytel polymer.
• The follower is injection molded.
• The magazine spring is formed from heat-treated chrome silicon wire.
• The product is Made in USA.
• The listed weight is 0.447.
• The listed shipping weight is 0.447.

This SIGA24 magazine delivers high-capacity reliability for extended range sessions and competitive PCC use, pairing proven polymer construction with durable internals. Its combination of capacity and lightweight materials makes it a practical upgrade for users who prioritize endurance and serviceable design.