Geissele Automatics Super HBAR Upper (.812 Journal) Complete Upper 16" 5.56mm
The Geissele Automatics Super HBAR Upper is a 16" 5.56mm NATO complete upper receiver group built around a cold hammer forged, chrome-lined Super Heavy Barrel and an oversized .812 gas journal system with a reinforced gas block and straight gas tube for improved heat handling during higher volumes of fire.
This upper is finished in black and features a 15" MK16 rail, Geissele-length gas system, and a HUXWRX Flash Hider-QD 6 muzzle device. This unit includes a bolt carrier group and charging handle.