The Haskins Rifle, also known as the RAI 300 (Research Armament Model 300) or Haskins M500 rifle was a bolt-action weapon designed by Jerry Haskins between 1981 and 1982 for snipers in the US Military. Unlike most military sniper rifles, the Haskins was purpose-built for the military, not reworked from an existing civilian firearm.

Haskins步枪，也称为RAI 300 （研究武器300型）或Haskins M500步枪是杰里·哈斯金斯（Jerry Haskins）在1981年至1982年之间设计的螺栓动作武器，用于美国军方的狙击手。与大多数军事狙击步枪不同，哈斯金斯是专为军事而设计的，而不是从现有的平民枪支中重新设计的。

哈斯金斯步枪发射.50BMG 弹 （Browning Machine Gun ——勃朗宁机枪弹），结构简单，采用旋转后拉式枪机，没有通常的普通枪托，而是在机匣尾部装有一个可调的肩托。 在枪管下方有一根与机匣相连的管，一方面用于安装两脚架，另一方面也作为减小枪管摆动的稳定器。 装弹时相当麻烦，必须将整个枪机从机匣里取出来，使枪弹贴着机头，然后将枪机连同枪弹一起推进机匣，并锁定，因此射速相当低。 之所以搞单发的 50 口径步枪，主要是考虑到.50BMG 的装药量大，如果 …

2018年2月5日 · The RAI Model 300 and Model 500 rifles were designed specifically by engineer Jerry Haskins for military service with special elements of the United States Army during the early part of the 1980s. The rifle was developed around a lightweight body that was made relatively easy to convert to 7.62x51mm NATO and 12.7x99mm NATO cartridge chamberings ...

M500 may refer to : Haskins m500, a .50 calibre round sniper rifle; Mossberg 500, a 12-gauge shotgun; Smith & Wesson Model 500, a .50 caliber revolver; Palm m500 series, a 2001 handheld personal digital assistant; a SoundBridge digital Internet radio model

The RAI Model 500 is a single-shot anti-materiel rifle. A variant of the RAI Model 300, it is one of the first .50 BMG anti-materiel rifles ever made. [1][2] The RAI Model 500, along with the RAI Model 300, were developed at the request of the United States Military. In 1983, the United States Navy purchased 125 Model 500 rifles.

The .50 caliber Model 500 rifle was originally designed by the team, lead by the D. Haskins, then working at Research Armaments Prototypes (RAP), a small company then located in Jacksonville, Arkansas, USA.

1990年7月7日 · The Haskins Rifle, also known as the RAI 300 (Research Armament Model 300) or Haskins M500 rifle was a bolt-action weapon designed by Jerry Haskins between 1981 and 1982 for snipers in the US Military. Unlike most military sniper rifles, the Haskins was purpose-built for the military, not reworked from an existing...

2024年12月27日 · However, the M500, an improved version of the M300, had a single shot and was much heavier, but the fact that it used .50 BMG bullets was favored by the US military. However, the M300 also has a place to use, but the problem is that the group that used it was the PIRA, a radical group among the IRA.

2018年8月8日 · The Haskins Rifle was made in two versions; the RAI 300 chambered for the 7.62×51 NATO, and the M500 chambered for the .50 Browning. The Haskins Rifle was also used as the test bed for a new cartridge based on the .416 Rigby big game rifle case necked down to use .338″ bullets.