The Bushmaster XM15-E2S represents a recognizable chapter in the history of the American AR-platform rifle. Built around the familiar AR-15-style operating system, the XM15-E2S combines traditional Bushmaster styling with the straightforward, no-frills appearance that made these rifles a familiar sight for decades. Chambered in 5.56 NATO/.223 Remington, the XM15-E2S family was offered in several configurations, including popular carbine-length models. Its aluminum receiver construction, traditional controls, and unmistakable AR profile give it the classic look enthusiasts associate with earlier generation Bushmaster rifles. For collectors and enthusiasts who appreciate older-production AR pattern firearms, the XM15-E2S offers plenty of recognizable Bushmaster character and a distinctly traditional feel compared with many of today's heavily accessorized designs. AS IS