AA-12

AA-12 stands for two weapon systems:

• a self-loading shotgun , see Atchisson Assault Shotgun
• a Russian air-to-air missile, see Wympel R-77

AA12 stands for:

• a series of four-axle diesel-electric locomotives, see Henschel AA12

This is a disambiguation page for differentiating between several terms identified with the same word.