CMMG 5.56/.223 30-Round AR-15 Conversion Magazine – MK4 Compatible

Upgrade your AR-15 with the CMMG 5.56 MK4 Conversion Magazine, a reliable 30-round polymer magazine engineered for AR-15 type firearms chambered in .223 Remington and 5.56 NATO. Built from durable polymer with a sleek black finish, this magazine offers a lightweight yet tough feeding solution for range sessions, competition, or home defense. Measuring 1.40″ x 3.95″ x 8.45″, it’s designed for a consistent, drop-free fit in standard AR-15 lower receivers. At just $15.99, VanTon Arms brings you competitive pricing on hard-to-find CMMG accessories with fast nationwide shipping. Stock up today and order online — please note this item cannot be directly shipped to California.