Super HBAR Upper (.812 Journal) Complete Upper Receiver 5.56 14.5” Black Color:Black The Pivot's frames are constructed

The Pivot's frames are constructed from TR90NZZ

and similar cartridges"

There’s also an exterior-mounted

Impact- and crush-resistant polymer construction shaves weight while protecting internals and the translucent MagLevel™ windows provide an instant visual round-count so you stay aware and in control

Super HBAR Upper (.812 Journal) Complete Upper Receiver 5.56 14.5” Black Color:Black The Pivot's frames are constructedAt Geissele Automatics, we constantly challenge ourselves by pushing the boundaries of quality and performance. Based on our Super Duty platform, our Super HBAR Uppers feature a thicker HBAR profile, with a . 812 gas journal, custom reinforced . 812 gas block and a significantly thicker Super HBAR straight gas tube. Our Super HBAR Upper effortlessly handles higher volumes of fire without sacrificing match grade accuracy. Foundational to the renowned