Atlas Bipods ADM 170-S Lever Mount Black ADM 170S Lever. It features the Patented QD Auto Lock Lever system to accommodate both in spec and out of spec rail systems. Has a two hole pattern of 1.100in and includes two 10-32 x 3/8in flathead socket screws. This is the same lever installed on all lever-mounted models of Atlas Bipod (except the 5-H model BT35-LW17) as indicated by inLW17in (BT10-LW17 BT46-LW17 BT47-LW17 BT65-LW17 BT69-LW17 BT72-LW17). This lever is compatible with all No Clamp models of Atlas Bipod (except the 5-H model BT35-NC) as indicated by inNCin (BT10-NC BT46-NC BT47-NC BT65-NC BT69-NC BT72-NC). This lever will NOT attached directly to the two-screw clamp models of Atlas Bipod (BT10 BT65 BT69 BT72). See our BT43 for a direct quick detach solution. Specifications for Atlas Bipods ADM 170-S Lever Mount: Manufacturer: Atlas Bipods Condition: New Finish: T3 Mil-Spec Anodize Fabric/Material: 6061-T6 Aluminum Package Contents: Atlas Bipods ADM 170-S Lever Mount Atlas Bipods ADM 170S Lever ADM 170-S Lever Mount Black