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The Taylor KO factor multiplies bullet mass (measured in grains) by muzzle velocity (measured in feet per second) by bullet diameter (measured in inches) and then divides the product by 7,000, converting the value from grains to pounds and giving a numerical value from 0 to ~150 for normal hunting cartridges.
While modern firearms are generally referred to by the name of the cartridge the gun is chambered for, they are still categorized together based on bore diameter. [citation needed] For example, a firearm might be described as a "30 caliber rifle", which could accommodate any of a wide range of cartridges using a roughly 0.30 inches (7.6 mm) projectile; or as a "22 rimfire", referring to any ...
m = bullet mass in grains (defined as 64.79891 milligrams) s = gyroscopic stability factor (dimensionless) d = bullet diameter in inches; l = bullet length in calibers (that is, length in relation to the diameter) t = twist rate in calibers per turn; Also, since one "caliber" in this context is one bullet diameter, we have:
All three had a bore diameter of 5 inches (not 5.51 or 5.25 or 5.38 as often misread). Naval rifles, although constructed and manufactured in roughly the same manners as land-based artillery, were built to much more stringent and studious standards than land-based weapons, and for good reason. At sea, a weapon had to perform, without fail.
Download as PDF; Printable version; In other projects ... Bullet diameter.172 in (4.4 mm) Land diameter.168 in (4.3 mm) Neck diameter.199 in (5.1 mm)
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The .500/465 Nitro Express is the only other cartridge with the same bullet diameter as the .465 H&H Magnum. Both cartridges are designed to fire a 480-grain (31 g) .468 caliber (11.89 mm) bullet. Although the cartridge is capable of operating at rather high pressures, Holland & Holland chose to load the cartridge to a moderate pressure of ...
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