The DEFENDER Bollard was previously manufactured by ATG Access, Inc. and is now owned by Ameristar. It is the exact same product listed on the DoD under ATG Access. Ameristar's Defender anti-ram retractable security bollards combine an open, aesthetic appearance with the highest level of perimeter control. The Defender is excellent for sites where the pathway access changes often. When retracted, the Defender security bollards are flush with the roadway and provide free movement of pedestrians and vehicle traffic. Utilizing the highest cycle duties available, the Defender automatic hydraulic rising bollards are an economical and effective way of securing any access point.
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