The Ruger Factory Mini-14 .300 Blackout 20 Round Magazine (Part #90484) is a genuine OEM Ruger magazine engineered specifically for Ruger Mini-14 rifles chambered in .300 AAC Blackout. Constructed from durable steel with a black finish, this factory magazine delivers superior reliability, proper fitment, and consistent feeding compared to aftermarket alternatives.

Designed to Ruger’s exact factory specifications, this 20-round detachable box magazine provides smooth feeding and secure lockup using the traditional Mini-14 rock-and-lock magazine system. The internal spring, polymer follower, and steel body are built for dependable performance in range, defensive, and field applications.

IMPORTANT: This magazine is purpose-built for .300 AAC Blackout Mini-14 rifles and is not interchangeable with standard .223 Rem / 5.56 NATO Mini-14 magazines. Using the correct caliber-specific magazine ensures proper feeding and optimal reliability.

Preferred by Mini-14 owners, genuine Ruger factory magazines are widely regarded for their durability, long service life, and factory-level reliability, making them the ideal choice for serious shooters who demand dependable performance from their rifle platform.

NOTE: 20-round magazines may be restricted in certain states and local jurisdictions. Please verify all applicable laws before ordering.