Arisaka Defense Rail Slider Bipod Mount ARMS 17S Pattern Fits Picatinny Anodized Finish Black. It transforms the Picatinny rail on your rifle into a multi-position sliding mount with a push button recoil lug. A unique detented knob is used to set sliding tension accounts for out-of-spec rails allows the mount to be removed or installed without having to slide it off the end of the rail and can be quickly and easily tightened down for maximum precision. The Rail Slider features the ARMS 17S pattern for compatibility with popular bipods like the Atlas PSR Atlas CAL MDT Cyke and Magpul 17S Bipod. It can also be used with Harris swivel bipods by adding our 17-S Harris Bipod Adapter. Specifications for Arisaka Defense Gun Rail Slider Bipod Mount: Manufacturer: Arisaka Defense Color: Black Finish: Anodized Black Gun Rail: Picatinny Additional Features: Mount Case Finish: Anodized Handle Color: Black Blade Finish: Anodized Handle Finish: Anodized Package Contents: Arisaka Defense Gun Rail Slider Bipod Mount