Magpul PMAG GEN M3 20rd Magazine, 300 Blackout - MAG1182BLK
Product Features & Specifications Magpul MAG1182BLK PMAG GEN M3 20rd 300 Blackout Fits AR-15 Black Polymer The PMAG 20 AR 300 B GEN M3 is a purpose-built magazine for rifles chambered in .300 Blackout (300 BLK).Similar in every way to our PMAG 30 AR 300 B, the PMAG 20 is more compact for increas
