To get the Portal gun, you will have to add the recommended Portal gun mod for the game. Think of a more convenient version of Enderpearls.
The portal gun even works as it is meant to and will open a portal for easy use. The Precisely Portal resource pack has certainly included the famed Portal Gun to the game in order to make for the most realistic crossover experience. The key item here that you have been waiting on is the Portal gun. Aside from the modern and clean textures that are reminiscent of Portal 1 and Portal 2, there are a host of new textures for items and even some original items. You will find that there are outstanding textures and new details in this pack that you might never get to experience otherwise. Some of those get really good development, while others are just showing off a connection between the two universes with very little attention to detail. There are many game crossovers within the resource pack world.
The Precisely Portal resource pack reinvents the basic Minecraft playing experience by adding elements and features of the beloved Portal series. This is a timeless crossover between two titans in the gaming industry: Minecraft and Portal from Valve (Steam).
