Rifleman Q&A: What Does 'MOA' Mean?

by
posted on August 1, 2021
** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. **
NEWQ&A

Q: I am new to the shooting sports, and my background is in aviation. In my field, the acronym “MOA” means “Military Operations Area.” When Air Traffic Control informs us that MOA is “hot,” we do not fly, and a “cold” announcement means we can. Does this terminology cross over to the shooting sports, and what is “DOPE?”


A: In shooting, “MOA” is an acronym for minutes of angle. The NRA definition is, “An angular measurement method used to describe accuracy capability. A minute of angle is 1/60th of a degree, and subtends 1.047" at 100 yards, which, for practical shooting purposes, is considered to be an inch. A minute-of-angle group, therefore, would measure slightly more than one inch at 100 yards, two inches at 200 yards, etc.”

From a shooter’s perspective, “dope” is a useful and descriptive word when applied to the activity of achieving downrange success. This magazine has used the phrase “Dope Bag” since at least 1921 when Col. Townsend Whelen first titled his column. Even then, it had been in use for years, referring to a sack used by target shooters to hold ammunition and accessories on the firing line. “Sight dope” also was a traditional marksman’s term for sight-adjustment information, while judging wind speed and direction was called “doping the wind.” Some shooters also use it as an acronym for “Data On Previous Engagement.”

—John Treakle, Contributing Editor

Latest

IHTOG French MAS49 1
IHTOG French MAS49 1

I Have This Old Gun: French MAS-49

Despite being early adopters of several semi-automatic rifles for military use, the French army took several decades to work out a standardized semi-automatic rifle for general service use. The rifle that finally came to being was the MAS-49.

Polite Society Industries Launches with Complete Suppressor Line

"An armed society is a polite society," goes the famous quote, which is also the inspiration behind Polite Society Industries, a new suppressor manufacturer that now has a complete line available to consumers.

NRA-ILA Names Smith & Wesson Official Partner of the 2026 NRA Gun Bus Battleground Tour

Iconic American firearms maker Smith & Wesson will join NRA-ILA on the road as nation's leading firearm group turns out voters ahead of the 2026 midterm.

A New Armed Citizen Survey That is Endlessly Fascinating—and Politically Incorrect

The 2026 National Firearms Survey conducted by William English of Georgetown University estimates that armed citizens in America use their guns 2.2 million to defend themselves or others.

Review: Heckler & Koch VP9CC

HK’s new VP9CC offers VP9 features in a micro-size pistol.

Former Barnes Bullets CEO Randy Brooks Passes Away

Randy Brooks, former president and CEO of Barnes Bullets, passed away on Aug. 27 peacefully in his Mona, Utah, home.

Interests



Get the best of American Rifleman delivered to your inbox.