B&T Industries Atlas Bipods come in four different models, each with a specific design and purpose. First is the Atlas V8, the original Atlas bipod, the first bipod to allow for pan and cant movement, as well as 45° leg position. Next is the Atlas PSR (Precision Sniper Rifle), this bipod is the product of testing feedback from USSOCOM with features designed to enhance a snipers effectiveness and accuracy. Atlas CAL (cant and lock) Bipods allow you to quickly and easily lock or unlock the bipods cant adjustment. Then there is the Altas 5-H Bipod, the 5-H is overbuilt and designed to be used in conjunction large heavy hitting calibers like the .50 BMG, .416 Barret, or .408 Chey Tac. All Atlas Bipods are designed, engineered, machined, and assembled in the United States.