#html-body [data-pb-style=N3TVKIC]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll;border-style:none;border-width:1px;border-radius:0;margin:0 0 10px;padding:10px}#html-body [data-pb-style=SPDG2OB]{border-style:none;border-width:1px;border-radius:0;margin:0;padding:0} Barrel: 16" 4150V barrel length Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a mid-length gas system. This A2 profile barrel is nitrided finished for durability.. Barrel is finished off with an .750" diameter F-marked front sight base with sling swivel, Magpul MOE Black Handguards and an A2 flash hider. Upper: Forged 7075-T6 A3 AR upper is hard coat anodized black for durability. Featuring M4 feedramp cuts, these upper upper receivers are made for us right here in the USA. Includes: MagpulA(R) MBUS Rear Sight, Black