U300 uppers are machined from billet 7075 aluminum, come with DRD QD 13" rail assembly and FN hammer forged 16" barrel with 1:7 twist. They are designed to fit on a Mil-Spec lower assembly allowing user to convert the existing AR-15 type rifle into a Quick Take Down rifle, like the CDR-15. They are chambered in 5.56 NATO and have a black hard coat anodized finish.
|Type||Complete Gas Impingement|
|Caliber||223 Remington/5.56 NATO|
|Sights||None, Optic Ready|
|Barrel Material||Hammer Forged|