CMMG MAG MK9/AR15 4.6x30mm 10rd Magazine

The CMMG MAG MK9/AR15 4.6x30mm 10rd magazine is built to feed the CMMG FourSix platform from a standard AR15-sized magwell. It offers a 10-round capacity and mirrors the exterior profile of larger FourSix magazines to maintain familiar handling. This magazine is designed exclusively for the 4.6x30mm cartridge and to function with CMMG Mk4 or other AR15 lower groups.

Key Specifications

• The manufacturer is CMMG.
• The model designation is MAG MK9/AR15.
• Chambered for the 4.6x30mm cartridge.
• The capacity is 10 rounds.
• Designed to seat into a standard AR15-sized magwell.
• Engineered to feed the CMMG FourSix upper and compatible AR15 lowers, including the CMMG Mk4.
• Shares profile and size with the 40rd FourSix magazines.
• Exterior dimensions are similar to most 30rd 5.56mm AR15 magazines.

This magazine provides a compact, purpose-built feeding solution for shooters running the CMMG FourSix upper on an AR15 lower, delivering familiar ergonomics and fit for range use, training, and sport shooting.