Ed, short version: 15" square on the face, and 5' long. It is made from luan scrap and 3/4x1.5" pine scrap for the frame. 5 interior baffles spaced 6"X6"X12/12/12", beginning at the shooter's end. Couple of cross pads on each end. The interior was lined with 1" sheet foam w/ foil surface, but there might be other products that work better. Other than noise reduction, cleaning up the scrap was a consideration with the project. It weighs about 20 pounds, maybe a little bit more. Glue and a brad nailer to assemble except the top is secured with screws for purposes of maintenance.
It works. So would Mr. V's.
