Mission First Tactical EXDPM556WBL Extreme Duty Black Detachable 30rd 223 Rem/ 5.56x45mm NATO AR-15 M4

Durable dual-side anti-glare transparent windows with numerical markers and high viability indicator coil on the spring allow quick visual identification of the approximate number of rounds remaining. Designed for the AR15/M4 but allowing use with a wide range of non-AR15/M4 platforms.