What is it [2]?

[Land Owner]

From the estate of a 30-06 Springfield reloader:

https://i.postimg.cc/0yWCgdBx/IMG-1435.jpg

https://i.postimg.cc/5yBmDhZk/IMG-1436.jpg

https://i.postimg.cc/7P0XCzfM/IMG-1437.jpg

[Kevin Rohrer]

Blank firing adapter for an M1 Garand

273978

[Land Owner]

...and that makes perfect sense, The man was a Garand master, in which I have zero experience. Learning here every day. Thank you.