Complex sentence: The Second World War saw the use of the bolt action rifles such as the Mauser Karabiner 98k, Lee-Enfield SMLE, and the Mosin Nagant, as well as semi-automatic battle rifles such as the Gewehr 43, M1 Garand and the SVT-40.
Split into simpler sentences: The Second World War saw the use of the bolt action rifles such as the Mauser Karabiner 98k, Lee-Enfield SMLE, and the Mosin Nagant. As well as semi-automatic battle rifles such as the Gewehr 43, M1 Garand and the SVT-40.