枪械的口径用多少毫米和点多少点多少的来表示有什么联系?

2025-03-16 07:17:15
推荐回答(5个)
回答1:

英制单位和米制单位换算
.79=20mm
.50=12.7mm
.45=11.43mm
.44=11.17mm
.40=10.16mm
.38=9.6mm
.357=9mm
.338=8.6mm
.30=7.62mm
.22=5.6mm

不过这个并不能反应子弹本身的型号,比如说7.62慢慢地子弹有100多种规格,包括机枪弹,步枪弹,手枪弹等等,所以通常还会加上其他识别符号.所以有时候换算下来并不严格相等.
比如说,
北约制式的7.62x51mm弹(51是弹壳长度),商业名称是.308 Winchester(.308 win),温彻斯特公司出品.点三零八.而不是点三零(.30是另一种子弹);

.30口径(.30 Cal)二战时美军通用口径,轻/重机枪,自动/非自动步枪,狙击步枪都使是同一口径.枪弹规格7.62x63mm,人们称为.30-06,因为它研制于1906年,春田公司出品Springfield(音译为斯普林菲尔德);

北约制式5.56x45mm,商业名是.223 Remington(.223 Rem),雷明顿公司,其实.223英寸换算下来有5.66mm,那是指弹头直径,而枪管的口径是5.56mm.

具体的口径表示法,只能靠长期经验积累了.

回答2:

圆管的内外径等的尺寸一般都是英制的,一英寸约等于2.54厘米,有的说是多少毫米的,那是经过换算后得到的

回答3:

这个是根据英寸的规则制定的,当时没有统一的换算标准 就一英寸为 统一标准生产制式武器,一直沿用到现在。

回答4:

一英寸约等于2.54厘米
0.50口径就是说0.50英寸=12.7毫米

回答5:

普通的枪有7.62、5.56、9、12.7、14.5几种口径,都是统一标准

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