screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='点击在新窗口浏览图片nCTRL+Mouse 滚轮可放大/缩小';}" onclick="if(!this.resized) {return true;} else {window.open(this.src);}" height=209 src="http://www.gun-world.net/usa/mg/m60gpmg/m60_1.jpg" width=442 onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='点击在新窗口浏览图片nCTRL+Mouse 滚轮可放大/缩小';}" border=0>
M60通用机枪是采用导气式工作原理、弹链式供弹、枪机回转式闭锁的自动武器,发射7.62mm北约标准弹,枪管可以快速更换,主要作为通用的支援武器使用。作轻机枪用途时使用自带的折叠两脚架,作重机枪用途时则安装在可折叠的M122三脚架上,或使用M4、M6等车载射架安装在车辆上。由于M60射速低,加上采用直枪托,因此射击精度很好,使用两脚架时的有效射程为1,000m,使用三脚架是是1,800m。screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='点击在新窗口浏览图片nCTRL+Mouse 滚轮可放大/缩小';}" onclick="if(!this.resized) {return true;} else {window.open(this.src);}" height=199 src="http://www.gun-world.net/usa/mg/m60gpmg/trip.jpg" width=378 onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='点击在新窗口浏览图片nCTRL+Mouse 滚轮可放大/缩小';}" border=0>
[size=2][color=#000080]装在M122三脚架上的M60
其中枪管升温过快和更换枪管困难是M60最主要的麻烦。由于枪管升温快,射手在速射200发弹后就需要更换枪管(关于M60的射速和枪管更换频率的关于请参考《美军轻步兵火力支援阵地》一文中的列表)。当持续射击时,枪管表面温度可达到华氏500度。由于M60的两脚架和活塞筒是固定在枪管上,而提把安装在机匣上,因此更换枪管时,通常是由1号射手一手抱枪托一手握提把,把武器指向安全方向,而2号射手则戴上隔热的石绵手套,扳开枪管定位杆然后拉出整个枪管组杆,接着再装上新的枪管。然后由于M60的准星也是固定在枪管上的,而且准星不能进行调整,因此1号射手不得不在重新射击时再次进行归零校正以配合新枪管。两脚架、活塞筒固定在枪管上不光给更换枪管带来麻烦,对于2号射手来说也是增加了不必要的负担。
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由于枪管与导气筒和两脚架连成一体,因此后备枪管袋的尺寸较大
澳大利亚的M60与美国的稍有不同,根据丛林战的经验进行了一些改进。当巡逻队在接敌时机枪手立即进行火力压制,掩护其他士兵进入最近的掩护物建立射击阵地。因此最初澳大利亚的射手在部队行进时是使用只有约15或20发的短弹链,这样的短弹链对于第一次开火射击是足够的,因为当部队在穿越丛林时拖着一条完整的100发弹链会很麻烦。后来澳大利亚人又设计了一种可装28-40发的“预备反应弹匣”(ready reaction magazine),实际上是一个铝制的小弹链盒,弹盒可以方便地挂在机枪的左侧,其容量足够最初接敌的交互火力,在进入掩体后,再装上一条完整的弹链射击。
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M13A1空包弹助退器
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较少见的侧面携弹箱
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M13A1空包弹助退器
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较少见的侧面携弹箱
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使用空包弹助退器的M60
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枪托底板上有翻转式支肩板
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装在双联射架上的M60
全枪长 | 1105mm | |
枪管长(不含消焰器) | 560mm | |
膛线 | 4条,右旋,缠距292mm | |
瞄准基线长 | 540 mm | |
初速 | 860 m/s | |
理论射速 | 500~650 RPM | |
战斗射速 | 200 RPM | |
全枪重量(不含弹链) | 10.51 kg | |
枪管重量(含两脚架和活塞筒) | 3.75 kg | |
三脚架重量 | 6.8 kg | |
三脚架方向射界 | 用限位杆 | 50° |
自由转动 | 360° | |
三脚架高低射界 | 用限位杆 | 12°35′~+14° |
自由转动 | 28°45′~+28°30′ |
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