Blackout Defense Quantum Mark 2 .223 Wylde Complete Upper Receiver

You're well on your way to a better build with the Blackout Defense complete upper. The upper receiver and handguard are precision machined to achieve perfect alignment, giving a monolithic-like appearance. And with the alignment pins, you get a boost of structural integrity as well. Upper Receiver The upper receiver is machined from Aerospace Grade Aluminum with enhanced walls for greater rigidity and structural integrity - all while keeping a low profile. It features two anti-rotation holes that align precisely with their handguard. What you're left with is a monolithic-like style and design with an extremely robust upper/handguard combination. The dust cover often goes unnoticed in an AR-15. Not to us. The dust cover is fully contained within the upper receiver. Theyr don't rely on a C-clip to keep everything in place. Instead, the dust cover hinge pin is held in place by the barrel nut, ensuring nothing comes loose during operation. Due to the variation of dust cover manufacturers