Shop › PROMAG AR10 308WIN 20RD FDE PROMAG AR10 308WIN 20RD FDE $19.99 ProMag Industries Magazine, 308 Winchester/762NATO, 20 Rounds, Fits SR25 and DPMS Pattern AR10, Polymer Construction, Flat Dark Earth DPM-A3-FDE Quantity: Add To Cart Added! ProMag Industries Magazine, 308 Winchester/762NATO, 20 Rounds, Fits SR25 and DPMS Pattern AR10, Polymer Construction, Flat Dark Earth DPM-A3-FDE