Rotary AC/5

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Rotary AC/5
Production information
Type Ballistic (Direct, Rapid Fire)
Tech Base Inner Sphere (IS)
Clan Experimental[1]
Year Availability 3062 (FS)[2]
Technical specifications
Heat 1/shot[3][4]
Damage 5/shot[3][4]
Minimum Range --
Short Range Inner Sphere = 1-5[3]

Clan = 1-7[4]

Medium Range Inner Sphere = 6-10[3]

Clan = 8-14[4]

Long Range Inner Sphere = 11-15[3]

Clan = 15-21[4]

Aerospace Range Inner Sphere = Medium[3]

Clan = Long[4]

Tons 10[3]
Critical Slots Clan: 8[5]

Inner Sphere: 6[3]

Ammo Per Ton 20[3]
Cost (unloaded) 275,000[5]
Ammo Cost (per ton) 12,000[5]
BV (2.0) 247[6]
31 (Ammo)[6]


Developed in 3062 by the Federated Commonwealth, the Rotary Autocannon/5 is based only loosely on the Autocannon/5. While it has the same bore, it is capable of firing up to six times as many rounds as its standard cousin, allowing it to deal up to three times the damage of even an Ultra AC/5. The weapon may be used to fire up to six times in a turn, with each additional shot giving the potential for increased damage. At the same time, each extra shot increases the amount of heat the autocannon builds and increases the chance for a jam. Like the Ultra autocannon, Rotary autocannons are unable to make use of special munitions.[2]

Clan Diamond Shark's engineers created their own version of the RAC/5 in 3069.[1]


The Rotary AC/5 is manufactured on the following planets:

Brand Planet Company Used by References
Mydron Tornado Gulkana Yeffters Weapons Factory  ??? [citation needed]
Mydron Model RC  ??? General Motors  ??? [citation needed]


  1. 1.0 1.1 Tactical Operations, p. 286, "Clan Rotary Autocannon (RAC)"
  2. 2.0 2.1 TechManual, pp. 207-208, "Rotary Autocannon"
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 TechManual, p. 341, "Inner Sphere Heavy Weapons And Equipment Table"
  4. 4.0 4.1 4.2 4.3 4.4 4.5 Tactical Operations, p. 404, "Heavy Weapons And Equipment Combat Data"
  5. 5.0 5.1 5.2 Tactical Operations, p. 405, "Heavy Weapons And Equipment Construction Data"
  6. 6.0 6.1 TechManual, p. 317, "Inner Sphere Weapons and Equipment BV Table"