Remington 870
This is an example mod, ported over from Josh’s old Weapon Additions Mod:
http://forums.wolfire.com/viewtopic.php?f=17&t=18709
You can find this mod inside the Receiver Repository:
https://github.com/David20321/7DFPS/tree/master/UnityProject/Assets/Mods/inbuild_rem870_josh