 Submachine guns also tend to have poorer armor and cover penetration than rifles and carbines firing rifle ammunition.Consequently, carbines have gained wide acceptance among SOCOM, UKSF, and other communities, having relatively light weight, large magazine capacity, selective fire, and much better range and penetration than a submachine gun.The smaller size and relative lighter weight of carbines makes them easier to handle in close-quarter situations such as urban engagements, when deploying from military vehicles, or in any situation where space is confined.