SHOTGUN PIPES - B-1 One-Large Bowl 4.25" Maple Wood PipeSHOTGUN PIPE B 1 is a long, large body pipe. The B 1 SHOTGUN PIPE offers a large 0. 75 one glass bowl setup. SHOTGUN PIPES offer a laminate wood body which is made using the same wood and techniques used in skateboard manufacturing. Theyre made from virtually industrial rock hard maple wood from the upper peninsula of Michigan. SHOTGUN PIPES have downdraft bowls with a front carb design housed with a thick borosilicate glass bowl liner and stainless