This Upper Features: – 18″ Straight* Flute Barrel – 1:10 Twist Rate – 1/2-28RH Threading – A2 Flash Hider – TCE Alexander Arms® Branded Hand Guard – Raptor® Ambidextrous Charging Handle – Blowback Operating System – Black Anodized Finish – Two 10 round magazines – Weight is 4.5 lbs *Spiral barrel fluting is no longer offered. This unit is 100% complete and is compatible with any standard-specification lower receiver after installation of included parts kit. This product qualifies for our Layaway Program.
