These modifications were made primarily by the Pan-American Coalition. The HM-02 was sold by the Coalition to the EU in exchange for its Isenbeck Redler modifications. The EU then sold the blueprints to the Oriental Alliance in exchance for the Lightning Claws.

HM-01 Blade Extender:
The idea behind the Blade Extender is simple: a blade that is longer can hit from farther away and deal more damage. Bigger is always better when it comes to stabbing things, after all. The Blade Extender takes that principle and makes it into reality. The Zoids it mounts to all have their laser blades extended by an extra meter, making them that much more dangerous. However, it's worth noting that that extra meter is pure energy. This has its own set of advantages and drawbacks-- the weapon can't snap or break at that point but is marginally less capable at slicing through armor-- but the most important one is power drain. Any Zoid that mounts the HM-01 can only keep their blades charged for five seconds max before the charge is lost. It takes ten seconds for the power to build enough for another charge. On the Blade Liger, King Baron, Liger Zero Schneider, Storm Sworder, the Blade Extender mounts to the blades. On the Blade Liger, Liger Zero Schneider, and the Storm Sworder, the Blade Extender mounts to the base of the blades.

HM-02 Chase Cannons:
Most aerial Zoids point their weapons forward. It makes sense, tactically speaking, since the aerial typically has the speed to get away from whatever is behind it. Of course, when it comes to a dogfight sometimes the flyer just can't shake its opponent. For those times, the Chase Cannons were built. The cannons are a relatively simple design: a pair of 25mm machineguns, facing backward. They compensate for their small caliber with a high firing rate of 20 rounds/second each, for a total of 40 rounds/second. Combine that with a mount capable of rotating 45 degrees in all directions, and the aerial in question now has a much smaller blind spot for enemies to assail. The only downside is that they double as AMD weapons, and so they have a somewhat large spread- still, 40 rounds each second is dangerous. On the Isenbeck Redler, Pteras, Redler, Storm Sworder, and Zabat, the Chase Cannons mount to the lower back, facing rearward. They can pivot 45 degrees in any direction.