This particular helmet is utilized by US Navy special operations and Coast Guard boat crews. Size is listed as small, however, it fits my head quite well and typically I wear a L / XL FAST helmet. Helmet shell is similar to non-ballistic CVC shell, with Ops-Core rails.   

A shuttle switch allows the user to set the mount to either locked or breakaway mode. In breakaway mode, the mount will release from the shroud under a user-specified amount of force. Smacking a stowed NVG on a surface during activities such as fast rope and vehicle dismount can snap the user's head back and severely injure his/her neck.   

Pictures shown through the tubes are the actual unit you will receive. These have Gen 3 Elbit tubes with an average FOM of 1500 and Halo of 1.0. Kosher Surplus is a large distributor for Steiner Optics. The item "Steiner PVS-21 Night Vision Goggles Brand New Unit 9697" is in sale since Sunday, July 25, 2021. This item is in the category "Sporting Goods\Hunting\Scopes, Optics & Lasers\Night Vision Optics". The seller is "koshersurplus" and is located in Houston, Texas. This item can be shipped to United States. Brand: Steiner Type: Goggles MPN: Does Not Apply   

Pictures shown through the tubes are the actual unit you will receive. These have Gen 3 Elbit tubes with an average FOM of 1500 and Halo of 1.0. Kosher Surplus is a large distributor for Steiner Optics. The item "Steiner PVS-21 Night Vision Goggles Brand New Unit 9691" is in sale since Sunday, July 25, 2021. This item is in the category "Sporting Goods\Hunting\Scopes, Optics & Lasers\Night Vision Optics". The seller is "koshersurplus" and is located in Houston, Texas. This item can be shipped to United States. Type: Goggles Brand: Steiner MPN: Does Not Apply   

   The AN/PVS-21 NVS-21 Low Profile Night Vision Goggle has been designed for aggressive special operations capability in air, water, and land environments. The patented low profile design offers 3-4 inches less protrusion than conventional night vision goggles enabling a wide range of mission applications. These are brand new and came direct from Steiner. Each goggle includes a hard case, manual, 5.11 fabric case, lens pens, extra red tape filters. Kosher Surplus is an authorized Steiner Dealer. Green Pictures included that show the unit being used are the ACTUAL PICTURES of the unit ...

   The AN/PVS-21 NVS-21 Low Profile Night Vision Goggle has been designed for aggressive special operations capability in air, water, and land environments. The patented low profile design offers 3-4 inches less protrusion than conventional night vision goggles enabling a wide range of mission applications. These are brand new and came direct from Steiner. Each goggle includes a hard case, manual, 5.11 fabric case, lens pens, extra red tape filters. Kosher Surplus is an authorized Steiner Dealer. Green Pictures included that show the unit being used are the ACTUAL PICTURES of the ...

   The AN/PVS-21 NVS-21 Low Profile Night Vision Goggle has been designed for aggressive special operations capability in air, water, and land environments. The patented low profile design offers 3-4 inches less protrusion than conventional night vision goggles enabling a wide range of mission applications. These are brand new and came direct from Steiner. Each goggle includes a hard case, manual, 5.11 fabric case, lens pens, extra red tape filters. Kosher Surplus is an authorized Steiner Dealer. Green Pictures included that show the unit being used are the ACTUAL PICTURES of the unit ...

   The AN/PVS-21 NVS-21 Low Profile Night Vision Goggle has been designed for aggressive special operations capability in air, water, and land environments. The patented low profile design offers 3-4 inches less protrusion than conventional night vision goggles enabling a wide range of mission applications. These are brand new and came direct from Steiner. Each goggle includes a hard case, manual, 5.11 fabric case, lens pens, extra red tape filters. Kosher Surplus is an authorized Steiner Dealer. Green Pictures included that show the unit being used are the ACTUAL PICTURES of the unit ...

   The AN/PVS-21 NVS-21 Low Profile Night Vision Goggle has been designed for aggressive special operations capability in air, water, and land environments. The patented low profile design offers 3-4 inches less protrusion than conventional night vision goggles enabling a wide range of mission applications. These are brand new and came direct from Steiner. Each goggle includes a hard case, manual, 5.11 fabric case, lens pens, extra red tape filters. Kosher Surplus is an authorized Steiner Dealer. Green Pictures included that show the unit being used are the ACTUAL PICTURES of the unit ...

   The AN/PVS-21 NVS-21 Low Profile Night Vision Goggle has been designed for aggressive special operations capability in air, water, and land environments. The patented low profile design offers 3-4 inches less protrusion than conventional night vision goggles enabling a wide range of mission applications. These are brand new and came direct from Steiner. This is a chance to get a set brand new for a far lower price. Each goggle includes a hard case, manual, 5.11 fabric case, lens pens, extra red tape filters. Kosher Surplus is an authorized Steiner Dealer. Green Pictures ...