I am going to start a new tutorial series on a multiplayer first person shooter game. In the series i will implement Replication, Non local character mesh, Replicating Damage and Kill, Grenade Trajectory, Throwing Grenades, Local Player Healthbar, Respawning Players, Line Trace Based Shooting, Replicating Crouch, Bullet Impact Replication etc…
https://dev.epicgames.com/community/learning/tutorials/ELvO/unreal-engine-unreal-multiplayer-fps