In the upper shoulders of the armor are 6 (3 on both sides) heavier duty missiles as well, but these have not been seen put to use. They were shown to have a great effect, as only three small missiles could destroy a Hammer Drone. The armor also holds eight pods of propelled grenades in each arm. The Mark VI holds an arm-mounted, armor piercing missiles in each arm, right under the elbow joint, which is an evolved version of the arm-mounted missile launcher on the Mark III. These are made from Palladium cartridges.
They are mounted and fired from the handplates of the suit. The Mark VI displayed a pair of one-use lasers that could be used to cut anything with even the briefest contact, regardless of what it was. It is the first armor to use the new Arc Reactor core model, thus enhancing the Unibeam's power output twice the amount used by the previous reactor models. The Mark VI has a triangular-shaped Unibeam and is more powerful than its preceding models. The hand repulsors' focus can be narrowed into a concentrated, sustained beam as seen in the Avengers when Tony connects an arc reactor to Stark Tower in New York City. The new and improved repulsors were proven highly effective against Hammer Drones and packed a big enough punch to stun Thor momentarily with a point-blank shot to his head. Because of the new Repulsors, he can also fly faster than normal. It is shown that repulsors are more powerful than the ones on the earlier models, presumably due to the higher output of the new Arc Reactor. The Mark VI retains Iron Man's signature Repulsors in the hands and feet, with the hands used as weapons and flight stabilization and feet used as propulsion. The Mark VI has 6 weapon systems in total, including its main weapons, which are its Repulsors and Unibeam. This is one of four suits that the movies confirm can work underwater, the others being the Mark XXXVII, Mark XLII, and Mark XLVII. Also, at the beginning of The Avengers, it had the ability to function underwater.
The armor is incredibly durable, sustaining little damage in conflict with Thor, and then heavy damage from a Helicarrier propeller. The armor was able to absorb a great amount of fellow Avenger Thor's lightning and proved powerful enough to go toe to toe with him. It is shown to use the same J.A.R.V.I.S operating system as the Mark IV, which is different from the Mark II and III. It was also shown to be able to punch through the Hammer Drones with ease. The suit withstands prolonged and extreme combat situations with relatively minor damage, having only a few noticeable cuts from Ivan Vanko's improved Arc Whips, despite the Mark V armor being nearly unrecognizable from a much lower-tech version of the weapons, although this can be attributable to the Mark V's somewhat lower technology and armor.
The largest difference between the Mark VI and the older armors is the new, more powerful Core Arc Reactor, which provides as much power, if not more, in a slightly smaller reactor, allowing room for more improvements. It is the first armor to feature a triangular shaped Unibeam on its Chest Piece. Its overall color design uses red, gold and silver plates. The Mark VI's armor design is based on the Mark IV, with the exception of the new triangular shaped Unibeam on its Chest Piece and armor coloring. WRIST LASERS, ARMOR PIERCING MINI-MISSILES, AND UPGRADED REPULSORS. 6.5.1 Mark VI: INCREASED POWER SUPPLY FOR HIGHER ENERGY OUTPUT, FASTER FLIGHT, AND ADVANCED WEAPONS SYSTEMS.6.5 Iron Man 3 - JARVIS: A Second Screen Experience.6.1 Marvel's The Avengers: Iron Man - Mark VII.