Magpul PMAG 30AR 300 Blackout Gen M3 Magazine

Magpul PMAG 30AR 300 Blackout Gen M3

The PMAG 30AR 300B Gen M3 represents the latest evolution in modern rifle magazine design, specifically optimized for the 300 Blackout cartridge in AR-platform rifles.

Key Features

• 30-round capacity for extended shooting sessions
• Gen M3 improvements including witness holes for round count verification
• Optimized for 300 Blackout with proper feed geometry and spring tuning
• Aggressive texturing for secure grip in all conditions
• Reinforced feed lips for consistent, reliable feeding
• Lightweight polymer construction reduces overall rifle weight
• Interchangeable with standard AR magazines in most platforms

Design Philosophy

Magpul magazines are built on the principle that reliability is non-negotiable. The Gen M3 platform incorporates lessons learned from thousands of rounds downrange, delivering a magazine that functions flawlessly in tactical, hunting, and sport shooting applications.

The 300 Blackout cartridge demands precise feed geometry, and this magazine delivers exactly that. Whether you're running subsonic rounds through a suppressed rifle or pushing supersonic loads, the PMAG 30AR 300B maintains the reliability you depend on.

Practical Considerations

These magazines are field-proven and trusted by professionals and sport shooters alike. The aggressive texturing ensures positive control even with gloved hands, while the witness holes allow quick visual confirmation of ammunition status without removing the magazine.