What bothers me about "AR-15" is in the nomenclature. Is it an Armalite Rifle model 15? Is it a Colt AR-15? AR-15 is a trademark name for a specific model of Colt via Armalite, all others are clones. Are all cotton swabs "Q-Tips". AR does not mean Assault Rifle...
a spoon-shaped eating utensil with short tines at the tip