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< Autocannon(Redirected from AC/2)
Production information
Type Ballistic (Direct Fire)
Tech Base Inner Sphere
Year Availability 2290 (TA)[1]
Technical specifications
Heat 1[2]
Damage 2[2]
Minimum Range 4[2]
Short Range 1-8[2]
Medium Range 9-16[2]
Long Range 17-24[2]
Tons 6[2]
Critical Slots 1
Ammo Per Ton 45[2]
Cost (unloaded) 75,000
Ammo Cost (per ton) 1,000
BV (1.0) 37
BV (2.0) 37[3]
5 (Ammo)[3]


The Autocannon is a direct-fire ballistic weapon, firing HEAP (High-Explosive Armor-Piercing) rounds at targets either singly or in bursts.

Different manufacturers and models of autocannons have different calibers (25mm-203mm) and rates of fire. Due to this, autocannons are grouped into generic "classes" of autocannons with common damage ratings, with Autocannon/2s having an extremely long range at the cost of having a very small damage output.[4]

When compared against a LRM, the Autocannon 2 class of cannon trades damage and mass for more utility in it's use. The weapon can be fired about 90 meters further than a LRM volley in the "long range" bracket, where this weapon excels. It also has a minimum range which is 60 meters closer than a standard Inner Sphere LRM launcher. Lastly, the cannon also almost applies no heat to the vehicle when firing the cannon, compared to a LRM system.

An Autocannon/2 can use special munitions to increase its effectiveness.


The Autocannon/2 is manufactured on the following planets:

Brand Planet Company Used by References
Imperator Smoothie-2 Atreus Imperator Automatic Weaponry  ??? [citation needed]
Mydron D Gulkana Yeffters Weapons Factory  ??? [citation needed]
ZeusBolt Dunianshire Canopus Industries Alpha  ??? [citation needed]
Whirlwind-2  ???  ???  ??? [citation needed]


  1. Interstellar Operations, p. 118, "Prototype Dates For Basic Weapons Table"
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 Tech Manual, p. 341, "Inner Sphere Heavy Weapons And Equipment Table"
  3. 3.0 3.1 TechManual, p. 317, "Inner Sphere Weapons and Equipment BV Table"
  4. TechManual, pp. 207-208, "Autocannons"