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The .22-250 Remington is a very high-velocity, short action, .22 caliber rifle cartridge primarily used for varmint hunting and small game hunting. It is capable of reaching over 4,000 feet per second. Some jurisdictions prohibit the use of cartridges smaller than 6 mm (e.g., .243 Winchester) for deer hunting.
Here is an example of a ballistic table for a .30 calibre Speer 169 grain (11 g) pointed boat tail match bullet, with a BC of 0.480. It assumes sights 1.5 inches (38 mm) above the bore line, and sights adjusted to result in point of aim and point of impact matching 200 yards (183 m) and 300 yards (274 m) respectively.
The Remington Model 572 Fieldmaster is a slide action, manually-operated .22 caliber (rimfire) repeating rifle manufactured by Remington Arms Company. First introduced to the commercial market in 1956, the 572 Fieldmaster rifle incorporates a tubular magazine capable of feeding .22 Short, .22 Long, or .22 Long Rifle rimfire cartridges, a cross-bolt safety, and an aluminum receiver grooved for ...
arcminutes. 54 / 5 π ≈ 3.4377′. A milliradian (SI -symbol mrad, sometimes also abbreviated mil) is an SI derived unit for angular measurement which is defined as a thousandth of a radian (0.001 radian). Milliradians are used in adjustment of firearm sights by adjusting the angle of the sight compared to the barrel (up, down, left, or ...
The Remington Model 572 Fieldmaster is a manually-operated, slide-action rimfire repeating rifle manufactured by the Remington Arms Company. The 572 is noted for its similarity to the Remington 870 shotgun in design. The 572 is chambered for the .22 Short, .22 Long and .22 Long Rifle cartridges. Ammunition is supplied by a tubular magazine ...
Point-blank range is any distance over which a certain firearm or gun can hit a target without the need to elevate the barrel to compensate for bullet drop, i.e. the gun can be pointed horizontally at the target. [1][2] For targets beyond-blank range, the shooter will have to point the barrel of their firearm at a position above the target, and ...
Sight is defined as the observation of the altitude, and sometimes also the azimuth, of a celestial body for a line of position; or the data obtained by such observation. [1] The mathematical basis of sight reduction is the circle of equal altitude. The calculation can be done by computer, or by hand via tabular methods and longhand methods.
Benchrest shooting is a shooting sport discipline in which high-precision rifles are rested on a table or bench – rather than being carried in the shooter's hands – while shooting at paper or steel targets, hence the name "benchrest". Both the forearm and buttstock of such a rifle are usually fully supported by bean bags, a bipod / monopod ...