ProMag Magazine, 223 Remington/556NATO, 30 Rounds, Fits AR Rifles, Roller Follower, Steel Lined Polymer, Black RM-30-SL
Specifications:

Caliber	223 Remington/5.56 NATO
Capacity	30
Finish	Black
Model	AR-15
Material	Steel/Polymer
Type	Magazine
Model Fit
Brand Fit
Max Capacity	30