CMMG Gen II MK4/AR15 Magazine — 9mm, 10rd

Description

The CMMG Gen II Mk4/AR15 magazine is a 9mm, 10-round polymer magazine designed to work with Mk4/AR15 lower receivers paired with CMMG 9mm radial delayed blowback uppers. Exterior dimensions closely match common 5.56 AR-15 magazines for compatibility with existing mag pouches and carriers. The magazine features an exterior profile based on a Magpul P-Mag body adapted for 9mm use and is finished in black polymer. Built-in function features reported in manufacturer data include last-round bolt hold-open operation when used with compatible systems.

Key Specifications

• The platform is listed as Mk4.
• The caliber is 9mm.
• The capacity is 10 rounds.
• The material is polymer.
• The finish/color is black.
• The exterior dimensions are 1.35 X 3.95 X 8.75.
• The product fit is listed for AR Rifles.
• Other notable features include a Magpul P-Mag body 9ARC.
• Additional functional detail includes last round bolt hold-open when used with compatible uppers.
• The model identifier provided is 9AR.

Compact, purpose-built, and compatible with common AR-15 accessories, this CMMG Gen II magazine provides a reliable 10-round solution for 9mm Mk4/AR15 platforms. Its polymer construction and standard AR-profile exterior make it easy to integrate into existing carry setups, and the design features support proper function with CMMG radial delayed blowback uppers. For owners running a CMMG 9mm Mk4 system, this magazine supplies a practical balance of capacity, compatibility, and form factor.

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