double-recoil system

double-recoil system

[¦dəb·əl ′rē‚kȯil ‚sis·təm]
(ordnance)
A system in which the gun recoils on the top carriage and the top carriage recoils on the bottom carriage or trail.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.