Designed specifically for 300 Blackout rifles, the Magpul Industries MAG800-BLK PMAG 30 AR 300 Blackout Magazine enhances performance and operational safety. This dedicated magazine eliminates the compromises associated with using 5.56x45mm magazines, ensuring optimal reliability and functionality. With a 30-round capacity and specialized design, it enhances shooting capabilities while mitigating cross-loading risks. Dedicated for rifles chambered in 300 BLK 30-round body for compact increased maneuverability Distinct rib design and texture provide visual and tactile differentiation Next-generation impact and crush-resistant polymer Paint pen dot matrix to easily identify magazines with different loadouts Equip your 300 Blackout rifle with the PMAG 30 AR 300 B for unmatched safety and performance.