The project "stridsdels- och skyddsteknik" develops experimental technique and computational methods to study the performance of different penetrating threat´s and protection structures. A key question is protection against fragments and small calibre projectiles for different types of light protected platforms, such as armoured vehicles, surface vessels or air targets. The process in which a projectile or a fragment penetrates a metallic material is well studied both experimentally and theoretically and it is possible to model such as the penetration depth and crater volume if a projectile is defeated in the armour. However, it is still difficult to predict the residual velocity of a projectile if the armour is perforated. The residual velocity is an important parameter for assessing the effect inside the target, e.g. the risk of injury to personnel or the risk of ammunition effects initiated. In order to achieve basic experimental data for the model development, an experimental study has been carried out in which projectiles with simplified geometry has been used. The projectiles comprised of hard metal cylinders launched at different velocity against steel plates to determine the limit velocity for penetration. The results have been used for a qualitative and quantitative study of the ability to reproduce the experiments via modelling. The software used is LS-Dyna and two different fracture models have been compared in the study: the Johnson-Cook and the Xue-Wiezbicki. The report provides a status update of the ongoing work aimed to develop tools for calculating the limit velocity and the residual velocities for projectiles or fragments penetrating complex target structures. A summary of experimental techniques and results from the sliding experiments are also reported.