The MAX14™ is a rigid, incredibly lightweight, and all-metal night vision J- arm for both the MILSPEC spec AN/PVS-14 and the Nocturn Industries™UANVM "TANTO" monocular.It includesa rotating knuckle which provides a tight stow against the helmet and also allows the monocular to be temporarily swung away from the eye.At 1.0 oz total, it weighshalf as much as a polymerMILSPEC J-Arm, yet its structure is composed entirely of the highest-performing 7075-T6 aluminum alloy for industry-leading durability.