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.300温彻斯特马格南

.300 Winchester Magnum
左至右:12.7mm NATO.300 WinMag.308 Winchester7.62mm Russian5.56mm NATO.22 LR
类型步枪
原产地 美国
服役记录
服役期间1963年—
生产历史
研发者温彻斯特连发武器公司
研发日期1963年
基本规格
前代弹系.300 H&H Magnum
弹壳类型无底缘,底带,缩口有肩瓶式
弹头直径.308寸(7.8 mm)
弹颈直径.339寸(8.6 mm)
弹肩直径.489寸(12.4 mm)
壳底直径.513寸(13.0 mm)
底缘直径.532寸(13.5 mm)
底缘厚度.049寸(1.2 mm)
弹壳长度2.62寸(67 mm)
全长3.34寸(85 mm)
膛线缠距1:10
底火种类中心底火/大型/步枪
弹道表现
弹头重量/种类 枪口初速 能量
165 gr(11 g) Nosler 3,050 ft/s(930 m/s) 3,408 ft·lbf(4,621 J)
180 gr(12 g) Nosler 2,960 ft/s(900 m/s) 3,502 ft·lbf(4,748 J)
190 gr(12 g) 空尖弹 2,900 ft/s(880 m/s) 3,548 ft·lbf(4,810 J)
测试枪管长度:24 in
来源:Federal Cartridge Co. ballistice page

.300温彻斯特马格南(.300 Winchester Magnum,简称 .300 Win Mag或是7.62×67毫米)是比较受欢迎的一种马格南步枪子弹。是温彻斯特连发武器公司在1963年发表的温彻斯特马格南子弹系列家族中之一员。弹道低深,远距离准确性高的弹药。

300 Winchester Magnum Schematic

弹道表现

.300 Winchester Magnum是一种极佳的大型猎物狩猎或是远距离打靶用弹药。常见使用于远距离射击比赛(例如benchrest competition)、警队以及部分的美军单位的狙击手。当搭配低风阻弹头时的最大有效距离通常都在1200码(1097米)。使用高精度步枪搭配比赛级弹药于1000码的准确度达到1 MOA以内不是很困难。使用重量180格令弹头在最大装药量由24寸长枪管射出时弹头速度可达2975呎/秒(+/- 25)。

.300 Winchester Magnum
Velocity over distance comparison
400 Winchester Magnum bullet velocity
400 Winchester Magnum bullet energy levels

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.300温彻斯特马格南
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