F ProMag RollerMag Magazine AR-15 223 Remington, 5.56x45mm, 300 AAC Blackout Polymer - 327496 $10.99 RM-10-OD show more like this 5.00 MidwayUSA F ProMag AR-15 10-Round 5.56 Rollermag Magazine w/Roller Follower, Polymer, Olive Drab, RM-10-OD $13.99 RM10OD show more like this Free Shipping on most orders over $49 Optics Planet F ProMag AR-15 10-Round 5.56 Rollermag Magazine w/Roller Follower, Polymer, Olive Drab, RM-10-OD $13.99 RM10OD show more like this Dvor F ProMag Polymer Magazine AR-15 223/556mm Olive Drab 10 rd RM-10-OD $25.10 RM-10-OD show more like this lat rate starting at $11.99 Hinterland Outfitters