D12 Blade Adder

== Overview ==
The D12 Blade Adder is a 10mm x 25mm blisteringly fast close-quarters submachinegun, capable of eviscerating its targets in the blink of an eye. Often used by special Iron Horde infiltration units of the Black Tang Division, the Blade Adder has been in service with the Iron Coalition since its inception in Y4035. Such a weapon was useful during the door-to-door fighting of the extermination campaign against rebel group Wian's Wrath, in which it found extensive use. The weapon is another design of Brownstark Firearms, Co. a primary military contractor of the Iron Coalition and its numerous branches. The haptic feedback sensor in the weapon's stock relays pressure information to a proprietary gas system, intelligently regulating and directing the gas flow for a smooth and accurate shooting experience. 
=== History ===
The D12 found its use in the early years of the Iron Coalition, after the re-branding of the Iron Federation to the Iron Coalition by Scillian Corsair in Y4035. While the reformed nation was powerful, dissent amongst its leadership on a number of key political issues caused a large group of its military led by devotees of General Wian DieGetrou to splinter off and form the rebel group Wian's Wrath in Y4046. This event sparked a civil war, which played out in the street-to-street fighting across the entire nation. Such a situation gave cause for a specialized weapon system that could contend with intense close-quarters combat and create immediate suppressive fire for quick squad and tactical follow-up. 
The Iron Apparat fell back on its familiar relationship with Brownstark Firearms, Co., a prolific manufacturer of high quality weapon systems. Work on the Blade Adder began immediately in Y4048 and two years later it was adopted as the D1 Blade Adder by the Iron Guard Police Force, border guard and army special forces. Within 3 years Wian's Wrath had been pushed to the fringes of the cities and into the Mofford and Walgren Forests, in no small part due to the superior firepower found in the Blade Adder.
The D6B variant was introduced in the late Y4060s, which is the first model feature the integral stock-installed haptic feedback system and the slimline handguard. In Y4070, the D7C and D7D were introduced, which re-created with new integration technologies for helmet-mounted telemetry and targeting systems. In Y4137, the D12 achieved iconic status as a result of Iron Horde Naval Infiltration Troopers of the Black Tang Division when they stormed a Pax-Viribus Theocracy RHOD-66 Battlemaster during the 1st Battle of Saltstraumen, rescuing hostages and sabotaging the vessel during Operation Nightfire.
=== Features ===
==== Heating Coils ====
Due to the intense heat generated by the power of the ammunition and rate of fire, the D12 employs an advanced heat dissipation system. Each magazine not only contains 50 rounds of ammunition, but also a corresponding amount of highly compressed reactive gas. When the weapon is fired, a small amount of gas is also discharged, flowing through a baffle system surrounding the barrel and receiver, endothermically reacting with the ambient air and lowering the temperature.
==== Target Acquisition Assistance Actuators ====
To aid an operator in quickly cycling between and tracking onto targets, the D12 employs a relatively new chamber device called a Target Acquisition Assistance Actuator (TAAA). The TAAA replaces the breach of the weapon with an intelligent actuated joint, driven by telemetry data feeds from an operator's on-helmet targeting systems. The joint then rotates (a maximum of 10.5 degrees in any direction) to bring the barrel of the weapon to bear on the target. This technology, while improving tracking and target acquisition, can cause jamming if not properly maintained, as well as being relatively more delicate than a traditionally mated barrel. The upgrade is generally only used by experienced operators to further increase their lethality.
==== Haptic Feedback Mechanism ====
The D12's haptic feedback mechanism is built around a hyper-sensitive pressure sensor in the weapons stock. As the weapon fires the sensor measures the changes in pressure, adjusting the proprietary gas system to compensate for a supremely manageable recoil impulse signature.
Pictured: A Black Tang Venatorian brandishing an overclocked D12 Blade Adder: