Another great idea for the US Military this new sniper rifle uses advanced technology to ensure the soldier to tomorrow will never miss his target. TrackingPoint is an Austin, Texas-based applied technology company that created the first precision guided firearm (PGF), a long-range rifle system.[1][2]

TrackingPoint was formed by CEO John McHale in February 2011. The first PGF prototype was created in March 2011. The company officially launched a publicly available product in January 2013.[3]
TrackingPoint’s precision guided firearms system uses several component technologies:

Networked Tracking Scope: The core engine that tracks the target, calculates range and the ballistic solution, and works in concert with the shooter and guided trigger to release the shot.[4][5]
Barrel Reference System: A fixed reference point that enables the networked tracking scope to make adjustments and retain zero over time. The barrel reference system is factory calibrated to a laser reference.[6]
Guided Trigger: The rifle’s trigger is hard-wired to the networked tracking scope. The networked tracking scope controls the trigger weight to eliminate trigger squeeze and shot timing errors.[7]
Field Software Upgradeable: Software can be uploaded to the scope to add capability.[8]
Heads Up Display (HUD): The HUD indicates range, wind, reticle, video storage gauge, zoom, and battery life, plus LRF icon, Wi-Fi on/off icon, compass icon, cant wheel, inclination wheels and off-screen indicators.[4][9]
Recording: An integrated camera captures video and still images from the networked tracking scope and heads up display. Recorded images can be downloaded to a smartphone or tablet from the scope and transmitted via email or social media.[10]
A rifle is a firearm designed to be fired from the shoulder, with a barrel that has a helical groove or pattern of grooves (“rifling”) cut into the barrel walls. The raised areas of the rifling are called “lands,” which make contact with the projectile (for small arms usage, called a bullet), imparting spin around an axis corresponding to the orientation of the weapon. When the projectile leaves the barrel, this spin lends gyroscopic stability to the projectile and prevents tumbling, in the same way that a properly thrown American football or rugby ball behaves. This allows the use of aerodynamically-efficient pointed bullets (as opposed to the spherical balls used in muskets) and thus improves range and accuracy. The word “rifle” originally referred to the grooving, and a rifle was called a “rifled gun.” Rifles are used in warfare, hunting and shooting sports.

Typically, a bullet is propelled by the contained deflagration of an explosive compound (originally black powder, later cordite, and now nitrocellulose), although other means such as compressed air are used in air rifles, which are popular for vermin control, hunting small game, formal target shooting and casual shooting (“plinking”).

In most armed forces the term “gun” is incorrect when referring to small arms; in military parlance, the word “gun” refers to an artillery piece or crew-served machine gun. Furthermore, in many works of fiction a rifle refers to any weapon that has a stock and is shouldered before firing, even if the weapon is not rifled or does not fire solid projectiles (e.g. a “laser rifle”).
A gun is a normally tubular weapon or other device designed to discharge projectiles or other material.[1] The projectile may be solid, liquid, gas or energy and may be free, as with bullets and artillery shells, or captive as with Taser probes and whaling harpoons. The means of projection varies according to design but is usually effected by the action of gas pressure, either produced through the rapid combustion of a propellant or compressed and stored by mechanical means, operating on the projectile inside an open-ended tube in the fashion of a piston. The confined gas accelerates the movable projectile down the length of the tube imparting sufficient velocity to sustain the projectile’s travel once the action of the gas ceases at the end of the tube or muzzle. Alternatively, acceleration via electromagnetic field generation may be employed in which case the tube may be dispensed with and a guide rail substituted.

The first devices identified as guns appeared in China around 1000AD, and by the 12th century the technology was spreading through the rest of Asia, and into Europe by the 13th century.[2]
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