Letter Re: Prepper Armor
Dear Hugh, The recent article, “Prepper Armor,” by J.J. was good but needs clarification. It seems a lot of faith is put in the statement that Level III armor “stops 5.56mm,” but this needs to be explained further. We have two basic 5.56 x 45mm rounds– the 62 grain SS109/M855 and the 55 grain M193. The former travels at 2,970fps when fired from a M4 16 inch barrel, while the latter is 3,200 fps at the muzzle. Most body armor retailers distinguish the “stopping power” of their product between these two rounds by categorically stating the SS109/M855 WILL be stopped. …