M15 Machine Pistol

The M15 Machine Pistol is a weapon produced by for the . It was designed as an alternative to the older and features numerous improvements over its contemporary in an effort to to eventually replace it, such as making it more erogomic, reliable, and modular to better suit the needs of units from special forces to vehicle crews and security forces.
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==Development History==
In 2544, in the midst of the Human-Covenant War, there was an ever increasing need for more effective weapons to combat the Covenant on the ground. One such need was for a compact, high rate of fire weapon to replace the older M6I in supplanting the M7 SMG. In response, Misriah Armory began to develop a new platform which would be independent of the M6 series and would fill the gap between the M6 sidearms and the M7 SMG, this would be done under the name Project FANFIRE.
The project called for the development of a new compact, select fire weapon chambered in the M225 SAP-HE round which is used in the M6 series. The main concern with such parameters was how to manage the recoil of the M225 round when fired at high rates of fire. Initial production models were of similar size and weight to the M7, largely because they were made from repurposed M7 frames. However, the issue which came up was that when converted and loaded the weapon weighed 1.2 kilograms more than the standard M7 SMG while carrying less ammo per magazine and firing slower to keep the recoil managable. 
Towards the end of the War, the project saw a large shift into working on its own platform, independent of the M6 and M7 platforms. Several models were developed, some being around the size of the M6 but having extremely poor controllability and ergonomics, and others being closer to the size of the M7 but at the same time being heavier and less accurate. By late 2547, there had been several refinements of the original design, as well as narrowed parameters. It was found that the ideal cyclic rate to control the weapon was between 680 and 760 rpm and that the weapons weight was not to exceed 3.0kg when loaded. 
By July 2548 the basic frame of the weapon had been finalized, complete with a folding stock, attachment rails on top of the weapon and under the barrel, and a muzzle brake to aid in recoil management. However, due to the light weight of the weapon, the recoil still proved to be an issue. To rectify this, an innovation on the centuries old Balanced Action Recoil System (BARS) was implemented in the weapon. Rather than utilizing a complicated gas driven gear system, the M15 is equipped with a compact, electrically driven gear which has proven to be much more reliable and lighter with the system drawing power from a compact, high power battery akin to those utilized in the MA5 series of rifles. 
==Design Specifications==
==Role and Usage==
==Notable Users==
==Notes==
The image used is of the UZK50GI SMG from Rainbow 6 Siege.