ALL TNV NIGHT VISION SYSTEMS ARE SEMI-CUSTOM UNITS BUILT TO ORDERCURRENT LEAD TIME ON TNV/RNVG L3H UF WP IS APPROXIMATELY 20-24 WEEKS. ANVS Objective Lens Assembly Units Now Available For Order. The RNVG is designed as the most rugged night vision goggle available. While most NVGs are built with molded polymer housings, the RNVG features a 7075 aluminum chassis for unsurpassed rigidity and structural strength. All articulation points have been beefed up to increase impact resistance, giving users one tough goggle. Designed and machined at AB NightVision, and finished / assembled at ...