Rail Guns - The Weapons Of Tomorrow? High Speed, Low Drag.
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6mm PPC RAIL GUNS - The Weapons Of Tomorrow?
About Rail Guns: (per wikipedia)
The Unlimited class comes very close to living up to its name—just about any single-shot rifle qualifies, up to and including "rail guns", which are rifle barrels and mechanisms built into a machine, or return-to-battery rest. With rifles such as these, some initially argued that no shooting skill was involved and was simply a test of the gunsmith's craft. However, shooting a RTB rifle requires a set of skills different than conventional marksmanship. What is removed with the return-to-battery (RTB) rifle is the need to physically aim the rifle for each shot, and evaluation of how any mirage will affect the shot. Judging the wind is as difficult and important with RTB rifles as with the other rifles. Given their mechanisms, it is arguably harder to compensate for ever-changing wind conditions when using a machine rest; the usual technique is to wait for what seems to be an identical condition rather than holding for the wind. Holding for the wind is quite common with the Light and Heavy Varmint rifles, and does offer certain advantages.
Benchrest matches involve careful reading of wind conditions to compensate for bullet drift, and the rifles and ammunition must be of the highest possible quality. However, claims of the superior position of machining over marksmanship skills in RTB rifle shooting are bolstered by the fact that competitors build their own rifles, and nearly all handload their ammunition to tune it to the rifle.
Precision sights are also a requirement. High quality aperture iron sights could be used, but nearly all benchrest events allow telescopic sights. High magnification scopes are generally preferred; magnifications of 24x, 36x, or higher are common when allowed. Generally scopes will have turret adjustments to allow the scope to be easily adjusted for various shooting conditions.
Note that these are NOT Navy rail guns.