Can anyone read this? M1 carbine handguard.

[bruce381]

goes on a underwood

[ARFrog]

Hand guards with this marking were used on 1942 and 1943 Underwoods. They were made by Pedersen Brothers Company for Underwood.

[Milsurp1]

Thanks all. I thought this was a post war replacement stock, but apparently it is the original stock that someone refinished along the way.