ProMag PM017 USGI Mag Loader Made of Polymer with Black Finish for 223 Rem, 5.56x45mm NATO AR-15, M16 Holds up to 5rds $10.92
ProMag RM30 Standard 30rd Detachable w/Roller Follower 5.56x45mm Fits AR-15 Black DuPont Zytel Polymer $13.84