18” .223 Wylde upper no (bcg) with 15” rail made by radical firearms M-lok at 3 ,6 and 9 of clock position . The barrel is an 18 inch made of 416R stainless steel with an 1:8 twist ratio. Includes a VG6 gamma muzzle brake, a2 birdcage , a Mil-Spec charging handle , a magpul vertical grip and magpul M-lok rail covers . And some cheap back up sights as placeholders.