This is a HEXMAG Magazine known as the Series 2 chambered in 223 Remington, model HX1030-AR15S2-GRY.
The next evolution in AR15 magazines is here - the SENTRY Hexmag featuring the iconic Hexture design pattern. Enhancements make this the most compatible" user-friendly magazine on the market" while SENTRY's proprietary PolyHex2 Advanced Composite delivers superior strength and reliable performance for lifetime usability.
Features:
Advanced Composite Construction
Hexture Design Pattern
Superior Strength