ProMag PM017 USGI Mag Loader Made of Polymer with Black Finish for 223 Rem, 5.56x45mm NATO AR-15, M16 Holds up to 5rds

ProMag magazine loader was originally designed to load the 100 rd .223/5.56 BETA magazine. The loader is slipped over any AR-15/M16 .223/5.56 type magazine. Five cartridges are dropped in and loaded by depressing the plunger, repeating the process is until the magazine is loaded,