
5.56×45mm NATO - Wikipedia
The 5.56×45mm NATO (official NATO nomenclature 5.56 NATO, commonly pronounced "five-five-six") is a rimless bottlenecked centerfire intermediate cartridge family developed in the late 1970s in Belgium by FN Herstal. [5] . It consists of the SS109, L110, and SS111 cartridges.
5.56x45 NATO - 百度百科
为步枪与机枪而设计,又称5.56 NATO,使用于包括 M16自动步枪 与M249机枪在内的许多 美国 与北约系统的枪械。 M193 步枪弹 (比利时称之为SS92)是最早被选作军用的5.56x45mm步枪弹, 由民用.223 Remington提高 膛压 演变而来, 目的是为提高初速. 美军于越战时期开始使用,1970年成为北约(NATO) 会员国 的标准用弹。 5.56x45 NATO与民用.223 Remington 尺码 几乎完全相同,不过 5.56 NATO因为高膛压必须使用较厚的弹壳。 民用.223 Remington 枪械使用5.56 …
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Incredibly fast, with a muzzle velocity that’s generally more than 3,000 feet per second, you’ll find 5.56 ammo with a 62-grain projectile as well as lighter rounds with a common 55-grain bullet. In either case, you can expect muzzle energy to be in the ballpark of 1,300 foot pounds.
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List of 5.56×45mm NATO firearms - Wikipedia
The table below gives a list of firearms that can fire the 5.56×45mm NATO cartridge, first developed and used in the late 1970s for the M16 rifle, which to date, is the most widely produced weapon in this caliber. [1] . Not all countries that use weapons chambered in this caliber are in NATO. This table is sortable for every column.
Is there a difference between 5.56 and 5.56 NATO ammo?
2025年2月5日 · Yes, there is a difference between 5.56 and 5.56 NATO ammunition, albeit subtle yet significant, primarily in pressure and chamber specifications, potentially leading to safety concerns depending on the firearm used.