Product Description ProMag RM10 Standard 10rd Detachable w/Roller Follower 5.56x45mm Fits AR-15 Black DuPont Zytel Polymer, Magazine ProMag RM10 Standard 10rd Detachable w/Roller Follower 5.56x45mm Fits AR-15 Black DuPont Zytel Polymer, Magazine at Hinterland Outfitters $10.63 Buy Now Check Price on Amazon Check Price on eBay