Shop › DURAMAG 20RD 5.56 ALUM MAG BK/OR DURAMAG 20RD 5.56 ALUM MAG BK/OR $17.70 DURAMAG Magazine, 223 Remington/556NATO/300 Blackout, 20 Rounds, Fits AR-15, Orange AGF Follower, Aluminum, Black 2023001178CPD Quantity: Add To Cart Added! DURAMAG Magazine, 223 Remington/556NATO/300 Blackout, 20 Rounds, Fits AR-15, Orange AGF Follower, Aluminum, Black 2023001178CPD