You're spot on, it's an M1 ammo pouch for shotguns. Here's a pic shamelessly stolen from machinegunboards and I kept the owner info attached. His is about perfect. At least you have one, I don't.
Type: Posts; User: browningautorifle; Excluded Forums: Milsurp Knowledge Libraries (READ ONLY)
You're spot on, it's an M1 ammo pouch for shotguns. Here's a pic shamelessly stolen from machinegunboards and I kept the owner info attached. His is about perfect. At least you have one, I don't.