Found a few pieces of brass in an old barn. They are headstamped “WRA, 30 SL”. From what I researched on the net, these were the original headstamp for the .30 carbine. Then I measured the brass length, and get 1.25”, which is closer to .32 SL.

Any idea what these are? I’ll try to post a pic…

Guess: Winchester Repeating Arms 30 Self Loading