Complete AR-15 18″ Stainless Wylde SOCOM Flat Dark Earth Upper w/ 15″ M-Lok Hand Guard This flat dark earth (FDE) cerakote upper includes billet upper receiver with mil-spec forward assist, ejection port cover and charging handle installed. The 18″ SOCOM barrel is deadly accurate. It is 223 Wylde and shoots .223 and 5.56 ammo flawlessly. The barrel has a 1:8 twist and made from 416R stainless steel. The barrel and receiver have matching M4 feed ramps. It’s tipped with an indexed A2 flash hider/suppressor. It comes upgraded with a heavy duty M16 bolt carrier group. The upper is completed with a comfortable 15″ free floating M-Lok handguard. The gas system is rifle length with a low-profile micro gas block. This high quality upper is a perfect fit on any 5.56 or Multi-Cal AR-15 lower. Swap the complete upper assembly, lock it on the lower and you’re ready to shoot! Comes with the Barrier Defense lifetime warranty! ****Know your states laws when purchasing gun parts.****