Militech Mk IV Assault Weapon (Revised)

The Militech Mk IV Assault Weapon is a'' potent, heavy duty, bullpup assault weapon only recently introduced to the Militech Catalogue. ''Its recoil compensation system, and excellent design and balancing make it among the most controllable weapons available. It has recently become the standard issue weapon for all Lazarus non-airborne infantry units. It is also the standard issue rifle for U.S. infantry troops, complementing the Sternmeyer CG-13B, in service with special units, and the M-31al AICW just completing trials. The Mk IV is based on the old Mk III design (therefore Revised), and chambers the new hybrid 6.5mm round (damage 6D6-1). The 6.5mm is a new concept that Militech is currently trying to market. It packs a wallop close to that of the heavy duty 7.62mm cartridge, while retaining a flat trajectory, controllability, and light cartridge weight reminiscent of the 5.56mm round. A big selling point of the Mk IV is that it comes with a quick change replacement barrel system that allows the weapon to be converted to 5.56mm within a few seconds, under battlefield conditions.

Source

 * Corporation Report 2020 Volume 2, pg.27
 * Blackhand's Street Weapons, pg.28