AR-1 may refer to
- AR-1 (rocket engine)
- Arkansas's 1st congressional district
- Arkansas Highway 1
- An Acoustic Research corporation loudspeaker, famous as the first acoustic suspension speaker.
- The USS Medusa (AR-1), the first US Navy repair ship
- AR-1 (multiple rocket launcher)
- The AR-1 "Parasniper", a bolt-action rifle manufactured by ArmaLite
This disambiguation page lists articles associated with the same title formed as a letter–number combination.
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