Buy Semi-Automatic Shotguns from DAI Leisure. We have a large range of both new and used Semi-Automatic shotguns in the UK. Our Semi-Automatic range of shotguns includes different barrel lengths from all leading manufacturers including Beretta,Browning, Armsan, Bennelli and many more. Semi Automatic Shotguns are one of the most popular types of shotguns, with a standard magazine size of 3 for standard shotgun certificate, allowing you to get that extra shot when you need it. Higher magazine capacities are available for FAC holders. We stock shotguns from various brands such as Hatsan, Beretta, and Armsan.