AR-15
AmericanEtymology
Origin of AR-15
First recorded in 1960–65; shortening of ArmaLite Rifle, not of assault rifle ( def. ), as commonly thought
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
He is co-author of the book "American Gun: The True Story of the AR-15."
From The Wall Street Journal • Apr. 16, 2026
His father even bought him the AR-15 as a Christmas present.
From Slate • Mar. 5, 2026
With armed guards with AR-15 rifles and pistols standing nearby, Mr Bloom introduced Ms Ferguson at a press conference as a "personal friend".
From BBC • Nov. 2, 2025
The Post won three Pulitzer Prizes last month, including one in national reporting for a vivid series on the impact of the AR-15 rifle.
From Seattle Times • Jun. 2, 2024
The gun rack, set between two of the eight windows, held a Remington shotgun, a Colt AR-15 assault rifle, a tear-gas gun, and many rounds of ammunition.
From "Newjack: Guarding Sing Sing" by Ted Conover
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
