Discover the reliability and heritage of the MSR Bulgarian Circle 21 Black 5.45x39 Magazine, a premium surplus option designed for AK-74 pattern rifles. This 30-round polymer magazine delivers consistent performance for tactical training, range sessions, or collector builds, offering shooters a durable feeding solution backed by proven Bulgarian manufacturing standards. Key Features Authentic Bulgarian production marked with the distinctive Circle 21 insignia for verified origin and quality Robust polymer construction with ribbed body design that enhances grip and structural integrity during use Steel-reinforced feed lips and locking lugs ensure long-term durability and reliable cartridge feeding under demanding conditions High-tensile stainless steel spring and polymer follower promote smooth, consistent operation across the full 30-round capacity Removable metal floorplate allows for easy disassembly, cleaning, and maintenance Specifications Platform: AK-74 / compatible AK variants Caliber: 5.45x39mm Capacity: 30 rounds Material: Black polymer body with steel reinforcements Condition: Good to excellent (may show minor cosmetic wear from prior service) Weight: 7.2 oz Dimensions: Approximately 10.5" L x 2.75" W x 1.15" H Why Choose This Magazine Surplus Circle 21 magazines address common pain points for AK-74 owners, including inconsistent feeding from aftermarket options and the need for authentic, battle-proven components. The reinforced design minimizes wear on feed lips, while the polymer body resists corrosion better than all-steel alternatives in varied environments. Whether you're building a historical reproduction or stocking reliable spares, this magazine provides dependable performance without compromising on compatibility or capacity. Its compact profile and balanced weight make it ideal for extended carry or rapid reload drills, helping you maintain focus on accuracy and speed rather than equipment issues. Customer Considerations These magazines are valued by enthusiasts for their fit and finish on Bulgarian and other 5.45x39 AK platforms. Always verify compatibility with your specific firearm model prior to use.