CMMG Gen II Mk4/AR15 Magazine 9mm 33rd

The CMMG Gen II magazine is a 9mm, 33-round polymer magazine designed for use with Mk4/AR15 lower receivers paired with CMMG 9mm radial delayed blowback uppers. It offers increased capacity compared to Gen I magazines, providing 33 rounds instead of 30. The magazine’s exterior dimensions closely match common 5.56 AR15 magazines to ensure compatibility with existing mag pouches and carriers. Black polymer construction delivers a lightweight, durable feed source appropriate for range use and duty or defensive applications.

Key Specifications

• The magazine is chambered for 9mm.
• It provides a capacity of 33 rounds.
• Construction uses polymer materials.
• The finish is black.
• Designed to fit Mk4/AR15 lower receivers when used with compatible CMMG 9mm radial delayed blowback uppers.
• The design is Gen II, offering increased capacity over Gen I models.
• The exterior dimensions closely match those of 5.56 AR15 magazines for pouch compatibility.
• Product type is a magazine.

Whether for extended range sessions or mission-focused use, this Gen II CMMG magazine supplies additional capacity and straightforward compatibility with existing AR15 magazine gear. Its polymer construction keeps weight down while maintaining reliable feed geometry. It’s a practical spare or replacement for users running CMMG Mk4 9mm systems who need extra capacity that integrates with standard AR accessories.

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