Search results
Results from the WOW.Com Content Network
The 7.62 mm designation refers to the internal diameter of the barrel at the lands (the raised helical ridges in rifled gun barrels). The actual bullet caliber is often 7.82 mm (0.308 in), although Soviet weapons commonly use a 7.91 mm (0.311 in) bullet, as do older British (.303 British) and Japanese (7.7×58mm Arisaka) 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 ...
Again we see this pattern with the US 16" guns. The initial design was 45 calibers in length and fired a 2,200 lb (1,000 kg) shell. The later re-design to 50 calibre not only allowed a higher velocity, but also a heavier 2,700 lb (1,200 kg) shell, which ultimately came to be accepted as the greatest naval shell ever deployed in combat [ further ...
The three bullets on the right show cannelure evolution Schlieren image sequence of a bullet traveling in free-flight, demonstrating the air pressure dynamics surrounding the bullet A bullet is a kinetic projectile , a component of firearm ammunition that is shot from a gun barrel .
Only small-caliber rimfire cartridges and centerfire cartridges have survived into the modern day. Military and commercial producers continue to pursue the goal of caseless ammunition. Some artillery ammunition uses the same cartridge concept as found in small arms. In other cases, the artillery shell is separate from the propellant charge.
11 mm (.433+ caliber) 12 mm (.472+ caliber) 13 mm (.511+ caliber) See also. Table of handgun and rifle cartridges; By name. List of Winchester Center Fire cartridges;
The surgeons used to see .22-caliber bullets from little handguns, Saturday night specials, whereas now they see .40-caliber and 9 mm bullets. Charles said they get the occasional victim of a long gun, such as an AR-15 or an AK-47, “but what’s remarkable is how common handguns are.”
A popular 7 mm hunting caliber bullet is actually .283 in diameter (7.2 mm), but wildcat cartridges using this caliber bullet in a 5.56 x 45 case have so far not been successful. There is an existing and well-developed use of hunting-rifle bullets in the .277 caliber (6.8 mm), introduced by Winchester as the 270 in 1925.