The BT69-NC Atlas Bipod "No Clamp" Gen 2 model has a two hole pattern of 1.100" with the holes being 10/32 threads. It requires any 17S size lever style mount to include the ADM-170-S, ARMS 17S, TRAMP from Badger Ordnance, LT271 or any ARCA dovetail mount with the same hole pattern. The BT69-NC will also mount directly to our BT 19 Spigor or BT70 M-LOK Adapter.It is comprised of 6061-T6 aluminum, except the inner legs which are made from 7075-T6 aluminum, Mil-Spec Type III hard coat anodized and have heat treated stainless steel components. Includes two 10-32 x 3/8a ^2 flathead socket screws. Available in black only. The CAL (Cant And Loc) Atlas Bipods were developed for shooters that do not desire the Panning feature.FeaturesPreloaded Cant: 63 degreesPosition Button 0.5a ^2 diameter5 leg positions: 0, 45, 90, 135 & 180AdegNon-Rotating Legs: outer leg does not rotate around inner leg