This is a Magpul Industries Magazine known as the PMAG chambered in 223 Remington, model MAG234-BLK.
The PMAG 30G MagLevel (5.56x45 NATO) is a durable" lightweight" high reliability 30-round polymer magazine designed specifically for the Heckler & Koch G36. It features an advanced impact resistant polymer construction and an easy to disassemble design with a flared floorplate for positive magazine extraction from pouches. The PMAG 30G utilizes a resilient Milspec black oxide coated stainless steel spring for corrosion resistance and an anti-tilt" self-lubricating follower for increased reliability. It is compatible with all PMAG floor plate accessories. The PMAG 30G MagLevel features transparent windows on both sides of the body and has a painted indicator on the spring for quick determination of approximate rounds remaining in the magazine.
Features:
30RD capacity
Black polymer construction
Anti-tilt, self-lubricating follower
Transparent windows on both sides
Flared floorplate