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该枪是巴雷特公司在其M82A1 0.50英寸狙击步枪基础上缩小口径的版本,发射0.416英寸巴雷特步枪弹。0.416英寸巴雷特弹是巴雷特公司于2005年研制的,旨在获得比0.50英寸BMG弹更高的初速,从而获得更高的精度。该枪将原枪宽大的枪口制退器改为了圆柱形,并且上下方为平面,在满足制退效果的同时,也使全枪外观更加协调。机匣和护手上方的导轨延长到与护手前端面平齐,其他结构与原枪相同。
The gun was Barrett’s version of the reduced caliber based on its M82A1 0.50-inch sniper rifle firing 0.416-inch Barrett rifles. The 0.416-inch Barrett bomb, developed by Barrett in 2005, aims to achieve a higher initial velocity than a 0.50-inch BMG bomb for greater precision. The gun will be the original guns large muzzle brake to cylindrical, and the upper and lower plane, to meet the retreat effect, but also to make the whole gun look more coordinated. The guide rail above the casing and hand guard is extended to be flush with the front face of the hand guard, and the other structure is the same as the original gun.