CMMG 5.7 AR Conversion Magazine Gen II — 32rd 5.7x28mm

The CMMG 5.7 AR Conversion Magazine Gen II is a 32-round magazine built for use with 5.7x28mm CMMG uppers and standard AR-15 lower receivers. Constructed from polymer with a black finish, the Gen II incorporates upgraded feed lips and a textured grip for positive handling. This magazine is intended for range, competition, and platform conversion applications where a 5.7x28mm AR-format feeding solution is required.

Key Specifications

• The caliber is 5.7x28mm.
• The capacity is 32 rounds.
• The material is polymer.
• The finish is black.
• Designed to fit CMMG MK4/AR-15 lower receivers.
• Intended for use with CMMG 5.7x28 radial delayed blowback uppers.
• The listed dimensions are 1.20 x 2.75 x 6.70 inches.
• The listed weight is 0.35 lb.
• The magazine includes upgraded feed lips for reliable feeding.
• Features a stylized texture grip and 5.7x28mm side engraving.

The Gen II conversion magazine provides a high-capacity, platform-specific option for users running CMMG 5.7 uppers on AR-15 lowers. Its polymer construction, refined feed geometry, and ergonomic texture make it suitable for sustained range use and competitive environments while maintaining compatibility with the intended CMMG systems.