The Magpul PMAG 30 AR 300 Blackout Gen M3 Magazine delivers purpose-built reliability with its 30-round capacity and next-generation polymer construction. Specifically designed for 300 AAC Blackout ammunition this magazine features optimized internal geometry and distinctive ribbing to help mitigate dangerous cross-loading with 5.56mm magazines.PMAG 30 AR 300 Blackout Gen M3 - 30 round capacity in Medium Coyote Tan (MCT)Next-generation impact and crush-resistant polymer constructionAnti-tilt self-lubricating follower for reliable feedingStainless steel spring for enhanced longevity and durabilityEasily removable slim floor plate for tool-free maintenanceAggressive front and rear texture with distinct ribbing patternPaint pen dot matrix panel for easy identification markingPurpose-built design optimized for various 300 Blackout bullet profilesPerfect for AR-15/M4 pattern rifles and STANAG 4179 platforms chambered in 300 AAC Blackout this magazine combines Magpul's proven reliability with safety-focused design features. The unique exterior ribbing and texture provide both visual and tactile identification to help mitigate cross-loading with 5.56mm magazines. Ideal for tactical applications hunting and precision shooting where 300 Blackout's versatility shines.