What caliber is the M61A1 and M61A2?

Prepare for the Air Force's Maintenance and Electrical Systems test. Use flashcards and multiple-choice questions with helpful hints and explanations. Ace your exam!

Multiple Choice

What caliber is the M61A1 and M61A2?

Explanation:
Caliber is the bore diameter of the gun, or the size of the projectile it fires. The M61A1 and M61A2 are the six-barrel, Gatling-style aircraft cannon known as the Vulcan, and they fire 20-millimeter rounds. So the caliber is 20 mm. The other options correspond to different weapons with larger or different bore sizes, not the M61.

Caliber is the bore diameter of the gun, or the size of the projectile it fires. The M61A1 and M61A2 are the six-barrel, Gatling-style aircraft cannon known as the Vulcan, and they fire 20-millimeter rounds. So the caliber is 20 mm. The other options correspond to different weapons with larger or different bore sizes, not the M61.

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