Credits:

Tactical Reload Mod
by Bwones
https://www.nexusmods.com/fallout4/mods/49444

VG Double Barrel Shotgun
by CADAVVER's
https://www.nexusmods.com/fallout4/mods/63962

Vanilla Reanimation Project - Double Barrel Shotgun
by Rohnald
https://www.nexusmods.com/fallout4/mods/72640