[Minnesota Belt Fed]

Curious what the parts are exactly as dumb as this sounds. I know the item on the left is a blank adaptor, I assume for the 1919 but the threads are too coarse to fit the barrel shroud appropriately. The other part I assume to be a M2 or M3 charging handle? I got these parts when I bought my 1919 and forgot about them until now. If I could get a reasonable value/ offer I would like to sell them.

 

[Minnesota Belt Fed]

Not sure on the left, but extended charging handle for a 50 on the right. Believe it would work on a 30 also.

I tried it on mine and I couldn’t get it to