This upper is a Billet AR-15 slick-side upper made out of Solid Aluminum. This upper does not have a forward assist or dust cover door nor does it have the capability of accepting these parts.
Precision machined from a solid block of Billet Aluminum, these blanks are from one of the top foundries in the country and are a premium stripped upper receiver.
SOPMOD AR Buttstock is meticulously crafted from ultra-modern high strength impact resistant polymer to deliver the reliable performance you can count on for a lifetime