Well here you go, I hope you like it!
Install
1 Add the (Double action pipe revolver.esp) to your data folder located at: Program Files (x86) / Steam / steamapps / common / Fallout4 / Data
2 Add the following script (*Double action pipe revolver.esp) to your Plugins.txt located at: This PC / OS (C:) / Users / User Name / AppData / Local / Fallout4 / Plugins.txt
Note: Make sure you add the * before the esp name in your Plugins.txt or the mod will not show up in game!
3 Add the following script (Double action pipe revolver.esp) to your DLCList.txt located at: This PC / OS (C:) / Users / User Name / AppData / Local / Fallout4 / DLCList.txt
4 Start your game, find a pipe revolver and have fun.