BA50步枪是布什马斯特武器公司于2008年推出的一款采用旋转后拉枪机式操作原理的大口径反器材步枪,发射12.7×99mm勃朗宁机枪弹.弹匣容弹量10发。图为BA50步枪的最新改进型,主要改进之处有:为了使护手顶部的皮卡汀尼导轨与机匣顶部导轨保持在同一水平面,护手顶部的导轨座高度增加,并在导轨座上加工了两个长圆形通孔,以达到减重目的;枪管长仍为712mm,但口部换装了小型消焰/制退器,并且可在消焰/制退器上直接安装消声器;护 The BA50 rifle is a large-caliber anti-equipment rifle launched by Bushmastek Co. in 2008 with a revolver-pull-bolt mechanism to launch 12.7 × 99mm Browning machine-gun rifles. The picture shows the latest improvements of BA50 rifles, the main improvements are: In order to keep the top of the hand guard Picatinny rail and the top of the casing to maintain the same level of railings, handrails at the top of the rail seat height increase and processing in the rail seat Two oblong holes were drilled for weight reduction purposes; the barrel length was still 712mm, but the mouth was refitted with a small flame / brake and the muffler could be mounted directly on the flame / deflector; Care