MSR Bulgarian Circle 21 Black 5.45x.39 Magazine good to excellent condition - M-74B21
$49.99
Only 1 left in stock
Discover the reliability and heritage of the MSR Bulgarian Circle 21 Black 5.45×39 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 5.45×39 AK platforms. Always verify compatibility with your specific firearm model prior to use.
| Weight | 7.2 oz |
|---|---|
| Dimensions | 10.5 × 2.75 × 1.15 in |
| Platform | AK-47 |
| Magazine Capacity | 30 |
| Cartridge Compatibility | 5.45×39 |
| Magazines Included | 1 |
| MPN | M-74B21 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
