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.
Specifications:

Caliber	223 Rem
Capacity	30rd
Finish
Model	Extreme Duty
Material	Polymer
Type
Model Fit	AR-15
Brand Fit
Capacity	30