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    • 58. 发明申请
    • Automatic rifle bolt carrier with fluted boss
    • 自动步枪螺栓承载架带槽纹凸台
    • US20120137869A1
    • 2012-06-07
    • US12316241
    • 2008-12-10
    • Jesus S. GomezJason Miller
    • Jesus S. GomezJason Miller
    • F41A3/12
    • F41A5/24F41A3/26F41A3/30F41A3/64F41A5/02F41A5/18
    • An automatic rifle bolt carrier with a fluted boss for the AR15/M16 family of firearms has been provided. The rear of the bolt carrier has been provided with a boss having bearing surfaces which are in operational contact with the interior of the host firearm's upper receiver to prevent the carrier from tilting while it is reciprocating during normal operation. The boss and rearward end of the bolt carrier are provided with flutes which allow water to flow between the buffer tube and upper receiver while the bolt carrier is reciprocating during normal operation, enabling a properly equipped firearm to be used during over the beach operations. The bolt carrier also includes a semi-circular relief cut about the top of its backmost end which is perpendicular to the axis of the bolt carrier.
    • 已经提供了一个带有用于AR15 / M16枪支系列的带凹槽的自动步枪螺栓。 螺栓托架的后部设置有具有与主枪支上接收器的内部操作接触的支承表面的凸台,以防止在正常操作期间托架在往复运动时倾斜。 螺栓托架的凸台和后端设置有槽,其允许水在缓冲管和上接收器之间流动,同时螺栓承载件在正常操作期间往复运动,使得在海滩操作期间能够使用适当装备的枪支。 螺栓托架还包括围绕其最后端的顶部的半圆形浮雕切割,其垂直于螺栓托架的轴线。