Hexmag knows just how important it is to safely” quickly and efficiently identify ammunition calibers” which is why they pioneered the first ever colored rifle ammunition identification system – the HexID Color Identification System. Color-coded magazines can be changed without tools” in under 1 minute.
HEXMAG HexID Color Identification System, Red, Fits 5.56 mags, 4 Pack HXID4-AR-RED