The Magpul PMAG 30 AR/M4 GEN M3 Windowed .223/5.56 Magazine — Black (MAG556-BLK) is Magpul's popular 30-round GEN M3 PMAG with a clear polymer window panel on one side for at-a-glance round count checking without removing the magazine. All GEN M3 PMAG features are included: constant-curve internal geometry, anti-tilt self-lubricating follower, enhanced flared floorplate, textured grip panels, and over-insertion stop. The window allows visual round count verification at a glance — no more guessing how many rounds remain. Compatible with all AR-15/M4 rifles accepting standard STANAG-pattern magazines.
- Part Number: MAG556-BLK
- Caliber: 5.56x45mm NATO / .223 Remington
- Capacity: 30 rounds
- Generation: GEN M3 with window
- Color: Black
- Window: Clear polymer round-count window
- Compatible Rifles: AR-15, M4, and STANAG-compatible rifles
- Country of Origin: Made in the USA
- Manufacturer: Magpul Industries
