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In 1884, the US Ordnance Department increased the bullet weight of the 45–70 to 45–70–500, or a 45 caliber bullet, 70 grains of black powder, and a 500 grain bullet. [3] The new 45-70-500 loading was recorded with a muzzle velocity of 1315.7 feet, and generated 1525 ft lbs of energy at 100 yds, and 562.3 ft lbs of energy at 1,000 yards ...
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.
With a 200 yard zero, the ballistics chart looks like this: yds inches; 100 +11.5; 200 0; 300 -41.1; 400 -116.5; 500 -230.1; So a 200 yard ain't gonna cut it for a max point blank range on a deer, that 11.5" hump puts you right over the back of the deer. scot 15:51, 31 May 2006 (UTC)
According to the US Army Ordnance Department tests, the 45-70-405 was loaded to 19,000 psi, [4] while the 45-70-500 was loaded to 25,000 psi [2] The average accuracy of the Springfield Model 1873 was a circle with an average radius of 1.7 inches at 100 yards, corresponding to an ~3.4 MOA.
The 45 Raptor is a relatively flat shooting cartridge to 200 yards. From muzzle to 200 yards, there is no more than a 3" rise or drop with bullet weights of 185 grains to 300 grains. [ 2 ] This means a shooter can shoot into a 6" diameter circle at all distances to 200 yards with no hold over.
The National Hurricane Center said Wednesday it is tracking a system in the Caribbean that could soon strengthen into Hurricane Sara.
In this case, the terminal velocity increases to about 320 km/h (200 mph or 90 m/s), [citation needed] which is almost the terminal velocity of the peregrine falcon diving down on its prey. [4] The same terminal velocity is reached for a typical .30-06 bullet dropping downwards—when it is returning to earth having been fired upwards, or ...
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