When you Tactical reload a Musket.
I know it isn't very Tactical, but I tried my best.
All models used in the video are from the SFM and Garry's Mod Workshop:
Character models:
https://steamcommunity.com/sharedfile...
Sounds:
Insurgency
Battlefield 1
Based on @SolidAK-15 comment
"I wonder how a "tactical reload" of an old Springfield musket would look like."