Gauss Gun
The primary firing weapon is essentially a gigantic coil gun. The materials it's made from are relatively cheap and basic. The internal is made from steel, a very low-grade and low carbon steel, possessing around 5% carbon in it's structure, with an internal diameter of basically 125mm. The barrel is rifled, and does provide a remarkable amount of indentation compared to it's over-all mechanical side partner. The rifling is polygonal rifling, requiring no need to reduce the heat or 'gunk' build up from ordinary barrels, as the round stays relatively cool and does not leave explosive material behind. The round is also relatively recoiless, when felt by the tank, and has little to no exhaust or extra pollutants, although the round still breaks the sound barrier being incredibly loud. The diameter of the essentially, large steel pipe, is 3/4 inch thick, and is made of melted and framed steel, rather than 'rolled' steel. The outside material is covered in a large amount of 1/2 inch thick copper wire coated around the entire mechanism.
Although crude, and cheap, and relatively little calculations taking place, essentially the copper wire is filled with a single, high powered electric shock, of something around 312 amps and 1560 volts. Obviously this is a large amount of energy. This produced by a series of large capacitors, eight to be exact, all of which that have 91,260 watt storage capability, which steadily absorb energy produced by the massive nickel iron battery, allowing the release of a large amount of energy in a short amount of time without the need of a constant steady force of that rate. The Nickel Iron battery produces roughly 39 amps and 1560 volts, basically having up to '500 shots' in life time, if the cell doesn't drain of all it's energy over time, or a leak doesn't occur. The time in which 'charging' a shot takes is usually around 10.4 seconds, although this can stay charged for a long amount of time and can be rushed, with lesser effects on the ballistic performance of course. As well, the fastest a gun can fire is around 1 round every 5 seconds for a minute, but the excessive vibration after wards causes an extreme amount of heat, and can start to damage the internal structure of the device.
Being highly magnetic, the gun cannot use an autoloader and instead requires another crew member to load. Ironically, the extensive and strange mechanisms of the device require an on board technician, making the extra crew spot filled by the technician who is also responsible for loading the device, the best apt at doing so as well. Becuase each round is caseless, non-explosive, and produces very little recoil, the amount of rounds that can be stored and loaded into the device increases at a rate roughly 4.5 times higher. While ordinary rounds are usually up to 90 or even 100 pounds, the rounds are on average, 20 pound 'dead weights', made largely out of steel. Different round variations exist, including tungsten carbide and depleted uranium tipped rounds, loosely based in shape and structure from the original
M1A1 125mm rounds. The energy produced by the weapon is 6.2 Mj, or 6,200,000 Joules. The velocity and resulting energy transformation is a direct result from round used.
Basically, the round achieves a decent amount of energy comparable to modern day tanks, except it uses much lighter and cheaper ammunition, that is less taxing on the crew. Still, while firing the weapon is nicer, the over-all mechanics of it make it more complicated, capable of giving anyone a headache who is currently unaware of the strong amount of mathematical physics involved. All in all, the weapons system supports and holds up to 300 rounds, the battery supports around 500 shots in a 6 month period, and the batteries can be refilled/recharged when necessary. Despite the limitation that it's firing rate can't exceed, the weapons systems offers a different capability and more utility to the M1 Abrams weapons systems.