This upper comes ready from the factory to be assembled to any AR type lower chambered in .223 Remington/5.56 NATO calibers. The idea behind this upper is to turn your AR lower into a SPR (Special Purpose Rifle) used by designated marksman in military units scattered around the world.

Specifications and Features:
.Chambered in .223 Rem/5.56 NATO
18" Medium Contour Barrel
Smith Vortex Flash Hider
Midwest SS Free Float Rail
A3 Flattop Upper Receiver
Black Finish