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Regarding the in-game function of standard 2, 5, 10, and 20 ACs: compared to the alternatives, ACs are a poor alternative to missiles and lasers, even taking heat into account. Consider the Large Laser versus the AC/10. The AC/10 gives you a better heat to damage ratio, but at what cost? 12 tons plus at least one more ton of ammunition. If you invested a total of 12 tons into a Large Laser, you spend 5 for the laser, and 7 for heat sinks. That amounts to 8 damage and 1 heat at the same range, with fewer critical slots taken up. On top of that, the Large Laser costs half the C-Bills of an AC/10. Apply this same critique to all ACs and you will quickly find that you are much better off going with the alternative weapons. PLEASE NOTE: this may or may not apply to more up-to-date ACs. — The preceding unsigned comment was provided by Kendrick (talkcontribs) on 29 August 2008.

One thing to consider is the mass, crits, and cost of all required heat sinks, (not accouting for any free HS that 'Mechs get--Cameron 20:15, 7 December 2010 (UTC)