WINCHESTER MODEL 36 SINGLE SHOT. 9 mm Rimfire caliber, long shot, short shot and ball. 18 inch round barrel, single shot bolt action, guns were not serial numbered, one piece plain stock and forearm, special shaped trigger guard, 2 3/4 pounds. 20.000 made between 1920 and 1927. The Model 36 was also known as a “garden gun.” They were used around the house and barns back in the day on birds, rodents, and other pests. It is basically a Model 1902 that has been modified with a smoothbore, 9mm barrel. There were three types of cartridges available: long, short, and ball.