Product Description ProMag RM5 Standard 5rd Detachable w/Roller Follower 5.56x45mm Fits AR-15 Black DuPont Zytel Polymer, Magazine ProMag RM5 Standard 5rd Detachable w/Roller Follower 5.56x45mm Fits AR-15 Black DuPont Zytel Polymer, Magazine at Hinterland Outfitters $10.05 Buy Now Check Price on Amazon Check Price on eBay