Painted coil and marked magazine body provides quick visual reference of capacity; Ribbed front and rear straps for positive magazine handling; Four-way, anti-tilt follower and USGI-spec, stainless-steel spring enhances reliability; Paint pen dot matrix panels on the bottom of the body to allow for identification marking; Accepts current PMAG floorplate accessories; Wide compatibility with all AR15/M4s as well as most non Colt-spec STANAG 4179 platforms