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OBR是Optimized Battle Rifle的首字母缩写,意为优化战斗步枪。该枪有3种不同长度的枪管可供选择,半自动发射7.62×51mm NATO弹,射击精度小于0.5MOA。尽管该枪的基本结构采用典型的AR10系步枪设计,但在细节方面具有自身独特的特色。如其护手和上机匣的连接方式与其他AR系步枪不同,上机匣与护手连接处各自设有两片凸耳,凸耳上设有螺纹孔,通过螺纹将上机匣与护手固定在一起。为保证机匣顶部及护手上方一体式皮卡汀尼导轨的一致性,导轨通过螺钉固定。另外,该枪护手其他侧面并没有加装皮卡汀尼导轨,而是预留了皮卡汀尼导轨安装孔。
OBR is the acronym for Optimized Battle Rifle, meaning optimized combat rifle. The gun has three different lengths of barrel to choose from, semi-automatic launch 7.62 × 51mm NATO bombs, shooting accuracy of less than 0.5MOA. Although the basic structure of the gun with a typical AR10 rifle design, but with its own unique characteristics of the details. If its hand guard and the upper case of the connection with the other AR Rifle different, on the receiver and the handgrip connections have two lugs, lugs are provided with threaded holes on the thread through the receiver and the hand guard Fixed together. In order to ensure the consistency of the Picatinny rail at the top of the casing and the hand guard, the guide rail is fixed by a screw. In addition, the gunslinger other side and did not install Picatinny rail, but set aside Picatinny rail mounting holes.