The Magpul Industries PMAG 20 AR 300 B GEN M3 is engineered for optimal performance in .300 Blackout rifles. This compact 20-round magazine enhances your firearm's maneuverability while maintaining reliable feeding. With its unique ribbed design, the PMAG 20 AR 300 B ensures clear visual and tactile differentiation, effectively minimizing cross-loading risks. Crafted from next-generation polymer, it promises durability and resilience under any conditions. Dedicated for rifles chambered in 300 BLK 20-round body for compact increased maneuverability Distinct rib design and texture provide visual and tactile differentiation Next-generation impact and crush-resistant polymer Elevate your shooting experience with the Magpul PMAG 20 AR 300 B GEN M3.