high-explosive plastic projectile
high-explosive plastic projectile[′hī ik‚splō·siv ′plas·tik prə′jek·təl]
A thin-walled projectile, filled with plastic explosive; designed to squash against an armored target before detonation, and to defeat the armor by producing spalls which are detached with considerable velocity from the back of the target plate. Abbreviated HEP projectile.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.