noun, plural M-16s.
a lightweight, fully automatic rifle shooting a small-caliber bullet at an extremely high velocity: a U.S. Army combat weapon for mobile units and jungle fighting.
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American Heritage
Abbreviations & Acronyms
model 16 [rifle]
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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