Harris Style 6-9 inch Tactical Bipod, Sling Connection, 6 Levels, Weaver Mount Adapter INCLUDED!!! BSS&reg; 6-9 Inch Adjustable Bipod 6 level Full Metal For Heavy Duty Mounts onto rifles with sling stud or with picatinny rail via adaper Easy to use, sturdy construction w/ Weaver Mount Adaper