The single element eye lens gives the mask a 96 degree field of view and improved compatibility with military equipment and battlefield optical systems. The mask face blank incorporates self sealing filter mounts that allow for filter changes in a contaminated environment. The filters incorporate a shelf-life indicator patch which changes colors from white to blue when the filters are no longer serviceable.
The dual, low profile filters reduce weight and bulk while reducing breathing resistance by fifty percent over the M40 series mask. The mask design features improved performance against chemical and biological agents, toxic industrial chemicals, and nuclear fallout. The M50 series is certified to MIL-SPEC PRF-EA-10003. In March 2016, it was announced that 166,623 M50s were purchased by the Department of Defense (DOD) under a $42 million contract. In July 2014, Avon Protection received a contract to supply 135,000 M50s under a $33 million. The M50 series mask entered service in December 2009. There are two mask variants: M50 (ground and shipboard use) and M51 (ground vehicle use). The M50/51 masks replace the M40 field protective mask and M42, MCU-2/P series masks and the M45 of the Land Warrior Program. It is an above-the-neck, chemical-biological (CB) respirator that protects against battlefield concentrations of CB agents, toxins, toxic industrial materials and radioactive particulate matter. The mask was designed/made to incorporate the state-of-the-art technologies to protect United States Armed Forces and the allied forces from current and anticipated threats from all types of weapons of mass destruction. military in 2009 and is manufactured by Avon Rubber.
The M50 series protective mask consisting of the M50 and M51 variants, officially known as the Joint Service General Protective Mask (JSGPM) is a lightweight, protective mask system consisting of the mask, a mask carrier, and additional accessories. A M50 Protective mask with attached filters
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