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She says you'll need a piece of PVC pipe the same size as the one used for the Minnery design, an end cap for it, and a small can of PVC cement. In a design variation suggested by Carla Rowan, a retired trickshot artist turned suburban housewife, only one tennis ball is used, augmented by bronze or aluminum screening.
![how to make a homemade pipe shotgun how to make a homemade pipe shotgun](https://freebeacon.com/wp-content/uploads/2016/08/minn-gun-1.png)
Your first shot out of the gun will accomplish that. You don't have to cut holes or slits in the balls or the tape, contrary to what others have written. Cross the open end of the PVC pipe with heavy duct tape in an X pattern, but do not completely cover the opening. Holding the gun so that the end of the PVC pipe is pointing upward, place the other tennis balls on top of the first one, one after the other. Place the hose clamp on the unit to hold it in place. Put the PVC pipe over the ball and onto the tape bushing on the barrel. Now cut a hole into one of the tennis balls so it can be slipped over the end of the barrel with a very tight fit. The barrel should fit snugly inside the pipe. Wrap the tape around the gun barrel as a bushing to mount the silencer. You need a piece of PVC pipe (3-inch inside diameter, about 12 to 14 inches long), three or four tennis balls, duct and electrician's tape, and the ubiquitous hose clamp. His design was a simple yet effective affair that you can easily replicate at your kitchen table. One of the first designs I saw came from John Minnery, the Canadian author and maven of the arcane arsenal from the sub-rosa world. Tennis balls make great insert materials for a silencer.